将计算振幅提前
parent
e3a6585adb
commit
19dbddd6b5
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@ -459,21 +459,22 @@ __global__ void CUDA_CombinationEchoAmpAndPhase(float* R,
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__global__ void CUDAKernel_RFPC_Caluation_R_Gain(
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float antX, float antY, float antZ,
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float* targetX, float* targetY, float* targetZ, long len,
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float* demSlopeX, float* demSlopeY, float* demSlopeZ,
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float antXaxisX, float antXaxisY, float antXaxisZ,
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float antYaxisX, float antYaxisY, float antYaxisZ,
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float antZaxisX, float antZaxisY, float antZaxisZ,
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float antDirectX, float antDirectY, float antDirectZ,
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float* TransAntpattern,
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float Transtarttheta, float Transstartphi, float Transdtheta, float Transdphi, int Transthetapoints, int Transphipoints,
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float* ReceiveAntpattern,
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float Receivestarttheta, float Receivestartphi, float Receivedtheta, float Receivedphi, int Receivethetapoints, int Receivephipoints,
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float NearR, float FarR,
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float* outR,
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float* outLocalAngle,
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float* AmpGain) {
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float antX, float antY, float antZ, // 天线的坐标
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float* targetX, float* targetY, float* targetZ, long len, // 地面坐标
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long* demCls,
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float* demSlopeX, float* demSlopeY, float* demSlopeZ, // 地表坡度矢量
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float antXaxisX, float antXaxisY, float antXaxisZ, // 天线坐标系的X轴
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float antYaxisX, float antYaxisY, float antYaxisZ,// 天线坐标系的Y轴
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float antZaxisX, float antZaxisY, float antZaxisZ,// 天线坐标系的Z轴
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float antDirectX, float antDirectY, float antDirectZ,// 天线的指向
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float Pt,// 发射能量
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float* TransAntpattern, float Transtarttheta, float Transstartphi, float Transdtheta, float Transdphi, int Transthetapoints, int Transphipoints, // 发射天线方向图
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float* ReceiveAntpattern, float Receivestarttheta, float Receivestartphi, float Receivedtheta, float Receivedphi, int Receivethetapoints, int Receivephipoints,//接收天线方向图
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float NearR, float FarR, // 距离范围
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CUDASigmaParam* sigma0Paramslist, long sigmaparamslistlen,// 插值图
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float* outR, // 输出距离
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float* outAmp // 输出增益
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) {
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long idx = blockIdx.x * blockDim.x + threadIdx.x;
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if (idx < len) {
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float RstX = antX - targetX[idx]; // 计算坐标矢量
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@ -485,15 +486,15 @@ __global__ void CUDAKernel_RFPC_Caluation_R_Gain(
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float RstR = sqrtf(RstX * RstX + RstY * RstY + RstZ * RstZ); // 矢量距离
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if (RstR<NearR || RstR>FarR) {
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outLocalAngle[idx] = 0;
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outR[idx] = 0;
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AmpGain[idx] = 0;
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outAmp[idx] = 0;
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}
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else {
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// 求解坡度
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float slopR = sqrtf(slopeX * slopeX + slopeY * slopeY + slopeZ * slopeZ); //
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float dotAB = RstX * slopeX + RstY * slopeY + RstZ * slopeZ;
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outLocalAngle[idx] = acosf(dotAB / (RstR * slopR)); // ¾ÖµØÈëÉä½Ç
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float localangle = acosf(dotAB / (RstR * slopR)); // 局地入射角
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float ampGain = 0;
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// 求解天线方向图指向
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CUDAVectorEllipsoidal antVector = GPU_SatelliteAntDirectNormal(
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@ -519,14 +520,39 @@ __global__ void CUDAKernel_RFPC_Caluation_R_Gain(
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Receivestarttheta, Receivestartphi, Receivedtheta, Receivedphi, Receivethetapoints, Receivephipoints,
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temptheta, tempphi);
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// 计算
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float sigma0 = 0;
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{
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long clsid = demCls[idx];
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CUDASigmaParam tempsigma = sigma0Paramslist[clsid];
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if (localangle < 0 || localangle >= LAMP_CUDA_PI / 2) {
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sigma0 = 0;
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}
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else {}
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if (abs(tempsigma.p1) < PRECISIONTOLERANCE &&
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abs(tempsigma.p2) < PRECISIONTOLERANCE &&
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abs(tempsigma.p3) < PRECISIONTOLERANCE &&
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abs(tempsigma.p4) < PRECISIONTOLERANCE &&
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abs(tempsigma.p5) < PRECISIONTOLERANCE &&
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abs(tempsigma.p6) < PRECISIONTOLERANCE
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) {
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sigma0 = 0;
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}
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else {
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float sigma = GPU_getSigma0dB(tempsigma, localangle);
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sigma0 = powf(10.0, sigma / 10.0);// 后向散射系数
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}
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}
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ampGain = TansantPatternGain * antPatternGain;
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ampGain = ampGain / (powf(4 * LAMP_CUDA_PI, 2) * powf(RstR, 4)); // 反射强度
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AmpGain[idx] = ampGain;
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outAmp[idx] = ampGain * Pt * sigma0;
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outR[idx] = RstR;
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}
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else {
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outR[idx] = 0;
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AmpGain[idx] = 0;
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outAmp[idx] = 0;
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}
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}
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}
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@ -785,19 +811,23 @@ extern "C" void CUDAInterpSigma(
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cudaDeviceSynchronize();
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}
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extern "C" void CUDARFPC_Caluation_R_Gain(float antX, float antY, float antZ,
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float* targetX, float* targetY, float* targetZ, long TargetPixelNumber,
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float* demSlopeX, float* demSlopeY, float* demSlopeZ,
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float antXaxisX, float antXaxisY, float antXaxisZ,
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float antYaxisX, float antYaxisY, float antYaxisZ,
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float antZaxisX, float antZaxisY, float antZaxisZ,
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float antDirectX, float antDirectY, float antDirectZ,
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float* TransAntpattern, float Transtarttheta, float Transstartphi, float Transdtheta, float Transdphi, int Transthetapoints, int Transphipoints,
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float* ReceiveAntpattern, float Receivestarttheta, float Receivestartphi, float Receivedtheta, float Receivedphi, int Receivethetapoints, int Receivephipoints,
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float NearR, float FarR,
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float* outR,
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float* outLocalAngle,
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float* AmpGain)
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extern "C" void CUDARFPC_Caluation_R_Gain(
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float antX, float antY, float antZ, // 天线的坐标
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float* targetX, float* targetY, float* targetZ, long TargetPixelNumber, // 地面坐标
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long* demCls,
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float* demSlopeX, float* demSlopeY, float* demSlopeZ, // 地表坡度矢量
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float antXaxisX, float antXaxisY, float antXaxisZ, // 天线坐标系的X轴
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float antYaxisX, float antYaxisY, float antYaxisZ,// 天线坐标系的Y轴
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float antZaxisX, float antZaxisY, float antZaxisZ,// 天线坐标系的Z轴
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float antDirectX, float antDirectY, float antDirectZ,// 天线的指向
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float Pt,// 发射能量
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float* TransAntpattern, float Transtarttheta, float Transstartphi, float Transdtheta, float Transdphi, int Transthetapoints, int Transphipoints, // 发射天线方向图
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float* ReceiveAntpattern, float Receivestarttheta, float Receivestartphi, float Receivedtheta, float Receivedphi, int Receivethetapoints, int Receivephipoints,//接收天线方向图
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float NearR, float FarR, // 距离范围
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CUDASigmaParam* sigma0Paramslist, long sigmaparamslistlen,// 插值图
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float* outR, // 输出距离
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float* outAmp // 输出增益
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)
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{
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int blockSize = 256; // 每个块的线程数
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@ -806,19 +836,20 @@ extern "C" void CUDARFPC_Caluation_R_Gain(float antX, float antY, float antZ,
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CUDAKernel_RFPC_Caluation_R_Gain << <numBlocks, blockSize >> > (
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antX, antY, antZ,
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targetX, targetY, targetZ, TargetPixelNumber,
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demCls,
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demSlopeX, demSlopeY, demSlopeZ,
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antXaxisX, antXaxisY, antXaxisZ,
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antYaxisX, antYaxisY, antYaxisZ,
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antZaxisX, antZaxisY, antZaxisZ,
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antDirectX, antDirectY, antDirectZ,
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Pt,
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TransAntpattern,
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Transtarttheta, Transstartphi, Transdtheta, Transdphi, Transthetapoints, Transphipoints,
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ReceiveAntpattern,
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Receivestarttheta, Receivestartphi, Receivedtheta, Receivedphi, Receivethetapoints, Receivephipoints,
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NearR, FarR,
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outR,
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outLocalAngle,
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AmpGain
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outAmp
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);
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@ -67,18 +67,19 @@ extern "C" void CUDAInterpSigma(
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extern "C" void CUDARFPC_Caluation_R_Gain(
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float antX,float antY,float antZ, // 天线的坐标
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float* targetX,float* targetY, float* targetZ, long TargetPixelNumber, // 地面坐标
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long* demCls,
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float* demSlopeX, float* demSlopeY, float* demSlopeZ, // 地表坡度矢量
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float antXaxisX, float antXaxisY, float antXaxisZ, // 天线坐标系的X轴
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float antYaxisX, float antYaxisY, float antYaxisZ,// 天线坐标系的Y轴
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float antZaxisX, float antZaxisY, float antZaxisZ,// 天线坐标系的Z轴
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float antDirectX, float antDirectY, float antDirectZ,// 天线的指向
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float Pt,// 发射能量
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float* TransAntpattern, float Transtarttheta, float Transstartphi, float Transdtheta, float Transdphi, int Transthetapoints, int Transphipoints, // 发射天线方向图
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float* ReceiveAntpattern, float Receivestarttheta, float Receivestartphi, float Receivedtheta, float Receivedphi, int Receivethetapoints, int Receivephipoints,//接收天线方向图
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float NearR,float FarR, // 距离范围
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CUDASigmaParam* sigma0Paramslist, long sigmaparamslistlen,// 插值图
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float* outR, // 输出距离
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float* outLocalAngle, // 输出局地坐标系
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float* AmpGain // 输出增益
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float* outAmp // 输出增益
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);
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@ -568,7 +568,6 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU( )
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h_demsloper_x=(float* )mallocCUDAHost( sizeof(float) * blokline * tempDemCols);
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h_demsloper_y=(float* )mallocCUDAHost( sizeof(float) * blokline * tempDemCols);
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h_demsloper_z=(float* )mallocCUDAHost(sizeof(float) * blokline * tempDemCols);
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h_demsloper_angle= (float*)mallocCUDAHost( sizeof(float) * blokline * tempDemCols);
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d_dem_x=(float* )mallocCUDADevice( sizeof(float) * blokline * tempDemCols); // 7
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d_dem_y=(float* )mallocCUDADevice( sizeof(float) * blokline * tempDemCols);
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@ -576,7 +575,6 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU( )
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d_demsloper_x=(float* )mallocCUDADevice( sizeof(float) * blokline * tempDemCols);
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d_demsloper_y=(float* )mallocCUDADevice( sizeof(float) * blokline * tempDemCols);
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d_demsloper_z=(float* )mallocCUDADevice( sizeof(float) * blokline * tempDemCols);
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d_demsloper_angle= (float*)mallocCUDADevice( sizeof(float) * blokline * tempDemCols);
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// 提前声明参数变量
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float* h_R;// 辐射方向
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@ -591,8 +589,8 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU( )
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d_localangle= (float*)mallocCUDADevice( sizeof(float) * blokline * tempDemCols);
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float* h_gain = (float*)mallocCUDAHost( sizeof(float)* blokline* tempDemCols);
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float* d_gain = (float*)mallocCUDADevice( sizeof(float) * blokline * tempDemCols);
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float* h_amp = (float*)mallocCUDAHost( sizeof(float)* blokline* tempDemCols);
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float* d_amp = (float*)mallocCUDADevice( sizeof(float) * blokline * tempDemCols);
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// 回波
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cuComplex* h_echo;
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@ -628,10 +626,8 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU( )
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FreeCUDAHost(h_demsloper_x); FreeCUDADevice(d_demsloper_x);
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FreeCUDAHost(h_demsloper_y); FreeCUDADevice(d_demsloper_y);
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FreeCUDAHost(h_demsloper_z); FreeCUDADevice(d_demsloper_z); //6
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FreeCUDAHost(h_demsloper_angle); FreeCUDADevice(d_demsloper_angle);//7
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FreeCUDAHost(h_R); FreeCUDADevice(d_R);
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FreeCUDAHost(h_localangle); FreeCUDADevice(d_localangle); //11
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FreeCUDAHost(h_gain); FreeCUDADevice(d_gain);
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FreeCUDAHost(h_amp); FreeCUDADevice(d_amp);
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FreeCUDAHost(h_echo); FreeCUDADevice(d_echo);//19
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FreeCUDAHost(h_demcls); FreeCUDADevice(d_demcls);
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@ -643,11 +639,9 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU( )
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h_demsloper_z = (float*)mallocCUDAHost(sizeof(float) * newblokline * tempDemCols);
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h_demsloper_angle = (float*)mallocCUDAHost(sizeof(float) * blokline * tempDemCols);
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h_R = (float*)mallocCUDAHost(sizeof(float) * newblokline * tempDemCols);
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h_localangle = (float*)mallocCUDAHost(sizeof(float) * newblokline * tempDemCols);
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h_gain = (float*)mallocCUDAHost(sizeof(float) * newblokline * tempDemCols);
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h_amp = (float*)mallocCUDAHost(sizeof(float) * newblokline * tempDemCols);
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h_echo = (cuComplex*)mallocCUDAHost(sizeof(cuComplex) * newblokline * tempDemCols);
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h_demcls = (long*)mallocCUDAHost(sizeof(long) * newblokline * tempDemCols);
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h_R = (float*)mallocCUDAHost(sizeof(float) * newblokline * tempDemCols);
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d_dem_x=(float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);
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d_dem_y=(float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);
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@ -656,9 +650,7 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU( )
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d_demsloper_y=(float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);
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d_demsloper_z=(float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);//6
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d_demsloper_angle=(float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);//7
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d_R=(float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);
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d_localangle=(float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);
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d_gain =(float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);
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d_amp =(float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);
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d_echo=(cuComplex*)mallocCUDADevice(sizeof(cuComplex) * newblokline * tempDemCols);
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d_demcls = (long*)mallocCUDADevice(sizeof(long) * newblokline * tempDemCols);
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d_R = (float*)mallocCUDADevice(sizeof(float) * newblokline * tempDemCols);
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@ -683,7 +675,6 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU( )
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HostToDevice((void*)h_demsloper_x, (void*)d_demsloper_x, sizeof(float) * newblokline * tempDemCols);
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HostToDevice((void*)h_demsloper_y, (void*)d_demsloper_y, sizeof(float) * newblokline * tempDemCols);
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HostToDevice((void*)h_demsloper_z, (void*)d_demsloper_z, sizeof(float) * newblokline * tempDemCols);
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HostToDevice((void*)h_demsloper_angle, (void*)d_demsloper_angle, sizeof(float) * newblokline * tempDemCols);
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HostToDevice((void*)h_demcls, (void*)d_demcls, sizeof(long) * newblokline* tempDemCols);
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@ -752,49 +743,49 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU( )
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CUDARFPC_Caluation_R_Gain(
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antpx, antpy, antpz, // 天线的坐标
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d_dem_x, d_dem_y, d_dem_z, pixelcount, // 地面坐标
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d_demcls,
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d_demsloper_x, d_demsloper_y, d_demsloper_z, // 地表坡度矢量
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antXaxisX, antXaxisY, antXaxisZ, // 天线坐标系的X轴
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antYaxisX, antYaxisY, antYaxisZ,// 天线坐标系的Y轴
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antZaxisX, antZaxisY, antZaxisZ,// 天线坐标系的Z轴
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antdirectx, antdirecty, antdirectz,// 天线的指向
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Pt,
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d_TantPattern, TstartTheta, TstartPhi, Tdtheta, Tdphi, Tthetanum, Tphinum, // 发射天线方向图
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d_RantPattern, RstartTheta, RstartPhi, Rdtheta, Rdphi, Rthetanum, Rphinum,//接收天线方向图
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NearRange, FarRange,
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d_clsSigmaParam, clamapid,
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d_R, // 输出距离
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d_localangle, // 输出局地入射角
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d_gain // 输出增益
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d_amp // Êä³öÔöÒæ
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);
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// 计算某个具体回波
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//DeviceToHost(h_echosum_temp, d_echosum_temp, sizeof(cuComplex)* templine* PlusePoint);
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for (long freqid = 0; freqid < freqlist.size(); freqid++) {
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float freqpoint = freqlist[freqid];
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CUDARFPC_Target_Freq_EchoData(d_R,
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d_localangle,
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d_gain,
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d_demcls,
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pixelcount,
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Pt, freqpoint,
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d_clsSigmaParam, clamapid,
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d_echo);
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// 数据求和
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CUDA_MemsetBlock(d_echosum_temp, initSumTemp, grid_size);
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long tempechoid = tempprfid * PlusePoint + freqid;
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CUDA_DemEchoSUM_NoMalloc(d_echo, pixelcount,
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d_echosum_temp + grid_size * freqid, grid_size
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);
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}
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////DeviceToHost(h_echosum_temp, d_echosum_temp, sizeof(cuComplex)* templine* PlusePoint);
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//for (long freqid = 0; freqid < freqlist.size(); freqid++) {
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// float freqpoint = freqlist[freqid];
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// CUDARFPC_Target_Freq_EchoData(d_R,
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// d_localangle,
|
||||
// d_demcls,
|
||||
// pixelcount,
|
||||
// Pt, freqpoint,
|
||||
// d_clsSigmaParam, clamapid,
|
||||
// d_echo);
|
||||
// // Êý¾ÝÇóºÍ
|
||||
// CUDA_MemsetBlock(d_echosum_temp, initSumTemp, grid_size);
|
||||
// long tempechoid = tempprfid * PlusePoint + freqid;
|
||||
// CUDA_DemEchoSUM_NoMalloc(d_echo, pixelcount,
|
||||
// d_echosum_temp + grid_size * freqid, grid_size
|
||||
// );
|
||||
//}
|
||||
|
||||
CUDA_SumPRF_Temp(d_echosum_temp, PlusePoint, grid_size, d_echo_PRF);
|
||||
DeviceToHost(h_echo_PRF, d_echo_PRF, sizeof(cuComplex) * PlusePoint);
|
||||
for (long freqid = 0; freqid < PlusePoint; freqid++) {
|
||||
echotemp.get()[tempprfid * PlusePoint + freqid] = echotemp.get()[tempprfid * PlusePoint + freqid]
|
||||
+ std::complex<float>(
|
||||
h_echo_PRF[freqid].x,
|
||||
h_echo_PRF[freqid].y);
|
||||
}
|
||||
//CUDA_SumPRF_Temp(d_echosum_temp, PlusePoint, grid_size, d_echo_PRF);
|
||||
//DeviceToHost(h_echo_PRF, d_echo_PRF, sizeof(cuComplex) * PlusePoint);
|
||||
//for (long freqid = 0; freqid < PlusePoint; freqid++) {
|
||||
// echotemp.get()[tempprfid * PlusePoint + freqid] =
|
||||
// echotemp.get()[tempprfid * PlusePoint + freqid]
|
||||
// + std::complex<float>(
|
||||
// h_echo_PRF[freqid].x,
|
||||
// h_echo_PRF[freqid].y);
|
||||
//}
|
||||
if (prfid % 100 == 0) {
|
||||
std::cout << "[" << QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz").toStdString() << "] dem:\t" << startline << "\t-\t" << startline + newblokline << "\t:\t pluse :\t" << prfid << " / " << pluseCount << std::endl;
|
||||
}
|
||||
|
|
@ -825,8 +816,7 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU( )
|
|||
|
||||
// 临时变量释放
|
||||
FreeCUDAHost(h_R); FreeCUDADevice(d_R);
|
||||
FreeCUDAHost(h_localangle); FreeCUDADevice(d_localangle); //11
|
||||
FreeCUDAHost(h_gain); FreeCUDADevice(d_gain);
|
||||
FreeCUDAHost(h_amp); FreeCUDADevice(d_amp);
|
||||
FreeCUDAHost(h_demcls); FreeCUDADevice(d_demcls);
|
||||
|
||||
FreeCUDAHost(freqpoints);
|
||||
|
|
|
|||
Loading…
Reference in New Issue