计算成像平面

BaseCommonLibrary/BaseTool/EchoDataFormat.cpp

@@ -353,7 +353,7 @@ void EchoL0Dataset::setRefPhaseRange(double refRange)
     this->refPhaseRange = refRange;
 }
 
-double EchoL0Dataset::setRefPhaseRange()
+double EchoL0Dataset::getRefPhaseRange()
 {
     return  this->refPhaseRange;
 }

BaseCommonLibrary/BaseTool/EchoDataFormat.h

@@ -159,7 +159,7 @@ public: //
 	SatelliteAntPos getSatelliteAntPos(long plusePRFID);
 
 	void setRefPhaseRange(double refRange);
-	double setRefPhaseRange();
+	double getRefPhaseRange();
 	// 打印信息的成员函数
 	void printInfo() ;	
 

Toolbox/SimulationSARTool/SimulationSAR/GPURFPC.cu

@@ -230,14 +230,14 @@ __global__ void CUDA_Kernel_Computer_R_amp(
 				antVector.phi = antVector.phi * r2d;
 				//printf("theta: %f , phi: %f \n", antVector.theta, antVector.phi);
 				if (antVector.Rho > 0) {
-					double TansantPatternGain = GPU_BillerInterpAntPattern(
+					//double TansantPatternGain = GPU_BillerInterpAntPattern(
-						TransAntpattern,
+					//	TransAntpattern,
-						Transtarttheta, Transstartphi, Transdtheta, Transdphi, Transthetapoints, Transphipoints,
+					//	Transtarttheta, Transstartphi, Transdtheta, Transdphi, Transthetapoints, Transphipoints,
-						antVector.theta, antVector.phi);
+					//	antVector.theta, antVector.phi);
-					double antPatternGain = GPU_BillerInterpAntPattern(
+					//double antPatternGain = GPU_BillerInterpAntPattern(
-						ReceiveAntpattern,
+					//	ReceiveAntpattern,
-						Receivestarttheta, Receivestartphi, Receivedtheta, Receivedphi, Receivethetapoints, Receivephipoints,
+					//	Receivestarttheta, Receivestartphi, Receivedtheta, Receivedphi, Receivethetapoints, Receivephipoints,
-						antVector.theta, antVector.phi);
+					//	antVector.theta, antVector.phi);
 
 					double sigma0 = 0;
 					{
@@ -260,7 +260,8 @@ __global__ void CUDA_Kernel_Computer_R_amp(
 							sigma0 = powf(10.0, sigma / 10.0);
 						}
 					}
-					ampGain = TansantPatternGain * antPatternGain;
+					//ampGain = TansantPatternGain * antPatternGain;
+					ampGain = 1;
 					//if (10 * log10(ampGain / maxReceiveAntPatternValue / maxTransAntPatternValue) < -3) { // СÓÚ-3dB
 					//	d_temp_R[idx] = 0;
 					//	d_temp_amps[idx] = 0;

Toolbox/SimulationSARTool/SimulationSAR/RFPCProcessCls.cpp

@@ -301,6 +301,7 @@ ErrorCode RFPCProcessCls::Process(long num_thread)
 	//stateCode = this->RFPCMainProcess(num_thread);
 		// 初始化回波
 	this->EchoSimulationData->initEchoArr(std::complex<double>(0, 0));
+	
 	stateCode = this->RFPCMainProcess_GPU();
 
 	if (stateCode != ErrorCode::SUCCESS) {
@@ -343,6 +344,7 @@ ErrorCode RFPCProcessCls::InitParams()
 	this->EchoSimulationData->setCenterAngle(this->TaskSetting->getCenterLookAngle());
 	this->EchoSimulationData->setLookSide(this->TaskSetting->getIsRightLook() ? "R" : "L");
 	this->EchoSimulationData->OpenOrNew(OutEchoPath, TaskFileName, PluseCount, PlusePoint);
+	this->EchoSimulationData->setRefPhaseRange(this->TaskSetting->getRefphaseRange());
 
 	QString tmpfolderPath = QDir(OutEchoPath).filePath("tmp");
 	if (QDir(tmpfolderPath).exists() == false) {
@@ -466,6 +468,7 @@ void RFPCProcessMain(long num_thread,
 		qDebug() << "POLAR: " << task->getPolarType();
 		qDebug() << "NearRange: " << task->getNearRange();
 		qDebug() << "FarRange: " << task->getFarRange();
+		qDebug() << "RefRange: " << task->getRefphaseRange();
 		qDebug() << (task->getFarRange() - task->getNearRange()) * 2 / LIGHTSPEED * task->getFs();
 		qDebug() << "\n\n";
 	}

Toolbox/SimulationSARTool/SimulationSAR/TBPImageAlgCls.cpp

@@ -24,9 +24,10 @@ void CreatePixelXYZ(std::shared_ptr<EchoL0Dataset> echoL0ds, QString outPixelXYZ
 	gt(1, 2) = 1;
 	gdalImage xyzRaster = CreategdalImage(outPixelXYZPath, prfcount, freqcount, 3, gt, QString(""), false, true,true);
 	std::shared_ptr<double> antpos = echoL0ds->getAntPos();
-	double dx = LIGHTSPEED / 2 / echoL0ds->getFs();
+	double dx = (echoL0ds->getFarRange()-echoL0ds->getNearRange())/(echoL0ds->getPlusePoints()-1);
 	double Rnear = echoL0ds->getNearRange();
-
+	double Rref = echoL0ds->getRefPhaseRange();
+	double centerInc = echoL0ds->getCenterAngle()*d2r;
 	long echocol = 1073741824  / 8 / 4 / prfcount*8;
 	std::cout << "echocol:\t " << echocol << std::endl;
 	echocol = echocol < 3000 ? 3000 : echocol;
@@ -56,7 +57,7 @@ void CreatePixelXYZ(std::shared_ptr<EchoL0Dataset> echoL0ds, QString outPixelXYZ
 			double R = 0;
 			double NormAnt = 0;
 
-			Px = antpos.get()[i * 19 + 1];
+			Px = antpos.get()[i * 19 + 1]; // 卫星坐标
 			Py = antpos.get()[i * 19 + 2];
 			Pz = antpos.get()[i * 19 + 3];
 			AntDirectX = antpos.get()[i * 19 + 13];// zero doppler
@@ -67,11 +68,41 @@ void CreatePixelXYZ(std::shared_ptr<EchoL0Dataset> echoL0ds, QString outPixelXYZ
 			AntDirectX = AntDirectX / NormAnt;
 			AntDirectY = AntDirectY / NormAnt;
 			AntDirectZ = AntDirectZ / NormAnt;// ¹éÒ»»¯
+
+			// 计算中心参考点
+			double centerX =  Px + Rref * AntDirectX; // T1
+			double centerY =  Py + Rref * AntDirectY;
+			double centerZ =  Pz + Rref * AntDirectZ;
+
+			
+			double satH = Rref * std::cos(centerInc); // 卫星高
+
+			double PR = sqrt(Px * Px + Py * Py + Pz * Pz);
+
+			double satR = PR - satH;
+			double sPx = satR / PR * Px;
+			double sPy = satR / PR * Py;
+			double sPz = satR / PR * Pz;
+
+
+			double dTSx  = sPx  - centerX;
+			double dTSy  = sPy  - centerY;
+			double dTSz  = sPz  - centerZ;
+
+			double dTSR = sqrt(dTSx * dTSx + dTSy * dTSy + dTSz * dTSz);
+			dTSx=dTSx/dTSR;
+			dTSy=dTSy/dTSR;
+			dTSz=dTSz/dTSR;
+
 			for (long j = 0; j < tempechocol; j++) {
 				R = (j + startcolidx)*dx + Rnear;
-				demx(i,j) = Px + AntDirectX * R;
+
-				demy(i,j) = Py + AntDirectY * R;
+				double dRp = (Rref - R) / sin(centerInc); //  -- 0 +++
-				demz(i,j) = Pz + AntDirectZ * R;
+
+
+				demx(i,j) = centerX + dTSx * dRp;
+				demy(i,j) = centerY + dTSy * dRp;
+				demz(i,j) = centerZ + dTSz * dRp;
 			}
 		}
 
@@ -202,6 +233,7 @@ ErrorCode TBPImageAlgCls::ProcessGPU()
 	qDebug() << "TBP params:";
 	qDebug() << "Rnear:\t" << Rnear;
 	qDebug() << "Rfar:\t" << Rfar;
+	qDebug() << "refRange:\t" << this->getEchoL1()->getRefPhaseRange();
 	qDebug() << "fs:\t" << fs;
 	qDebug() << "freq:\t" << freq;
 	qDebug() << "rowCount:\t" << rowCount;