calibration.h

USB 上位机程序 VNA使用,网络分析仪原理使用仪器

			this->statTerm->TabIndex = 18;
			this->statTerm->Visible = false;
			// 
			// statThru
			// 
			this->statThru->BackColor = System::Drawing::Color::Transparent;
			this->statThru->Image = (__try_cast<System::Drawing::Image*  >(resources->GetObject(S"statThru.Image")));
			this->statThru->Location = System::Drawing::Point(32, 256);
			this->statThru->Name = S"statThru";
			this->statThru->Size = System::Drawing::Size(32, 32);
			this->statThru->TabIndex = 19;
			this->statThru->Visible = false;
			// 
			// calProgressBar
			// 
			this->calProgressBar->Location = System::Drawing::Point(112, 368);
			this->calProgressBar->Maximum = 1024;
			this->calProgressBar->Name = S"calProgressBar";
			this->calProgressBar->Size = System::Drawing::Size(472, 16);
			this->calProgressBar->TabIndex = 20;
			// 
			// Calibration
			// 
			this->AutoScaleBaseSize = System::Drawing::Size(5, 13);
			this->BackgroundImage = (__try_cast<System::Drawing::Image*  >(resources->GetObject(S"$this.BackgroundImage")));
			this->BackgroundImageLayout = System::Windows::Forms::ImageLayout::Stretch;
			this->ClientSize = System::Drawing::Size(640, 412);
			this->Controls->Add(this->calProgressBar);
			this->Controls->Add(this->statThru);
			this->Controls->Add(this->statTerm);
			this->Controls->Add(this->statOpen);
			this->Controls->Add(this->label6);
			this->Controls->Add(this->calSave);
			this->Controls->Add(this->statShort);
			this->Controls->Add(this->label5);
			this->Controls->Add(this->label4);
			this->Controls->Add(this->label3);
			this->Controls->Add(this->label2);
			this->Controls->Add(this->CancelButton);
			this->Controls->Add(this->label1);
			this->Controls->Add(this->thruCal);
			this->Controls->Add(this->termCal);
			this->Controls->Add(this->openCal);
			this->Controls->Add(this->shortCal);
			this->FormBorderStyle = System::Windows::Forms::FormBorderStyle::Fixed3D;
			this->Name = S"Calibration";
			this->Text = S"Calibration";
			this->ResumeLayout(false);

		}		

		private: VNADevice* VNA;		///< Vector Network Analyzer hardware object
		private: FrequencyGrid* FG;		///< Our Frequency Grid
		private: CalDataSet* Cal;		///< Calibration Data Set
		public: SaveFileDialog* outfile;	///< Saved File Structure

		private: int BufferI __gc[], BufferQ __gc[], BufferM __gc[], BufferN __gc[], BufferP __gc[];	// hold raw readings

		/// Fixture SHORTed Load Calibration button click handler
	private: System::Void shortCal_Click(System::Object *  sender, System::EventArgs *  e)
			 {
				VNA_RXBUFFER *RxBuf = new VNA_RXBUFFER;
				VNA_TXBUFFER *TxBuf = new VNA_TXBUFFER;
				double fmagnitude;			// 0 to 1
				double fphase;				// -180 to +180	
				double& rmag = fmagnitude;
				double& rphs = fphase;

				for (long i=0; i<1024; i++)
				{
					// Compute spot frequency

					int Fdesired;
					Fdesired = Convert::ToInt32(200000.0+( i*(120000000.0-200000.0)/1024.0));

					TxBuf->TxAccum = FG->DDS(Fdesired);		
					TxBuf->IDAClevelHi = MAX_DDS_LEVEL;		// Max transmit level
					TxBuf->ReplyType = 0;
					TxBuf->MeasureDelay = 0;
					TxBuf->QDAClevel = QDAC_ZERODBM;	// Reference level


					for (int k=0; k<7; k++)
					{
                        VNA->WriteRead(TxBuf, RxBuf);
						BufferI[k] = RxBuf->ReflPI;
						BufferQ[k] = RxBuf->ReflPQ;
						BufferM[k] = RxBuf->ReflMQ;
					}
					int ReflPI = Median7i(BufferI);		// filter the raw readings
					int ReflPQ = Median7i(BufferQ);
					int ReflMQ = Median7i(BufferM);

					Cal->ResolveReflPolar(ReflPI, ReflPQ, ReflMQ, (int)Fdesired, rmag, rphs, true);

					// convert it to rectangular
					double fx = fmagnitude * cos(fphase * DEGR2RAD);
					double fy = fmagnitude * sin(fphase * DEGR2RAD);

					// save it as S11-meas-short
					Cal->S11shortReal[i] = fx; Cal->S11shortImag[i] = fy;

					calProgressBar->Value = i;
					if(i%20 == 0)
						calProgressBar->Update();
				}
				statShort->Visible = true;
			 }

		/// Fixture OPEN Load Calibration button click handler
	private: System::Void openCal_Click(System::Object *  sender, System::EventArgs *  e)
			{
				VNA_RXBUFFER *RxBuf = new VNA_RXBUFFER;
				VNA_TXBUFFER *TxBuf = new VNA_TXBUFFER;
				double fmagnitude;			// 0 to 1
				double fphase;				// -180 to +180	
				double& rmag = fmagnitude;
				double& rphs = fphase;

				 // run a sweep of 1024 points, collecting S11 data 'short'

				for (long i=0; i<1024; i++)
				{
					// Compute spot frequency

					int Fdesired;
					Fdesired = Convert::ToInt32(200000.0+( i*(120000000.0-200000.0)/1024.0));

					TxBuf->TxAccum = FG->DDS(Fdesired);		
					TxBuf->IDAClevelHi = MAX_DDS_LEVEL;		// Max transmit level
					TxBuf->ReplyType = 0;
					TxBuf->MeasureDelay = 0;
					TxBuf->QDAClevel = QDAC_ZERODBM;	// Reference level


					for (int k=0; k<7; k++)
					{
                        VNA->WriteRead(TxBuf, RxBuf);
						BufferI[k] = RxBuf->ReflPI;
						BufferQ[k] = RxBuf->ReflPQ;
						BufferM[k] = RxBuf->ReflMQ;
					}
					int ReflPI = Median7i(BufferI);		// filter the raw readings
					int ReflPQ = Median7i(BufferQ);
					int ReflMQ = Median7i(BufferM);

					Cal->ResolveReflPolar(ReflPI, ReflPQ, ReflMQ, (int)Fdesired, rmag, rphs, true);

					// convert it to rectangular
					double fx = fmagnitude * cos(fphase * DEGR2RAD);
					double fy = fmagnitude * sin(fphase * DEGR2RAD);

					// save it as S11-meas-short
					Cal->S11openReal[i] = fx; Cal->S11openImag[i] = fy;

					calProgressBar->Value = i;
					if(i%20 == 0)
						calProgressBar->Update();
				}
				statOpen->Visible = true;
			}

		/// Fixture TERMINATED Load Calibration button click handler
	private: System::Void termCal_Click(System::Object *  sender, System::EventArgs *  e)
			{
				VNA_RXBUFFER *RxBuf = new VNA_RXBUFFER;
				VNA_TXBUFFER *TxBuf = new VNA_TXBUFFER;
				double fmagnitude;			// 0 to 1
				double fphase;				// -180 to +180	
				double& rmag = fmagnitude;
				double& rphs = fphase;

				 // run a sweep of 1024 points, collecting S11 data 'short'

				for (long i=0; i<1024; i++)
				{
					// Compute spot frequency

					int Fdesired;
					Fdesired = Convert::ToInt32(200000.0+( i*(120000000.0-200000.0)/1024.0));

					TxBuf->TxAccum = FG->DDS(Fdesired);		
					TxBuf->IDAClevelHi = MAX_DDS_LEVEL;		// Max transmit level
					TxBuf->ReplyType = 0;
					TxBuf->MeasureDelay = 0;
					TxBuf->QDAClevel = QDAC_ZERODBM;	// Reference level

					for (int k=0; k<7; k++)
					{
                        VNA->WriteRead(TxBuf, RxBuf);
						BufferI[k] = RxBuf->ReflPI;
						BufferQ[k] = RxBuf->ReflPQ;
						BufferM[k] = RxBuf->ReflMQ;
					}
					int ReflPI = Median7i(BufferI);		// filter the raw readings
					int ReflPQ = Median7i(BufferQ);
					int ReflMQ = Median7i(BufferM);
					VNA->WriteRead(TxBuf, RxBuf);

					Cal->ResolveReflPolar(ReflPI, ReflPQ, ReflMQ, (int)Fdesired, rmag, rphs, true);

					// convert it to rectangular
					double fx = fmagnitude * cos(fphase * DEGR2RAD);
					double fy = fmagnitude * sin(fphase * DEGR2RAD);

					// save it as S11-meas-short
					Cal->S11termReal[i] = fx; Cal->S11termImag[i] = fy;

					calProgressBar->Value = i;
					if(i%20 == 0)
						calProgressBar->Update();
				}
				statTerm->Visible = true;
			}

		/// Fixture Through Calibration button click handler
	private: System::Void thruCal_Click(System::Object *  sender, System::EventArgs *  e)
			{
				VNA_RXBUFFER *RxBuf = new VNA_RXBUFFER;
				VNA_TXBUFFER *TxBuf = new VNA_TXBUFFER;
				double fmagnitude;			// 0 to 1
				double fphase;				// -180 to +180	
				double& rmag = fmagnitude;
				double& rphs = fphase;

				// run a sweep of 1024 points, collecting S21 data 'thru'

				for (long i=0; i<1024; i++)
				{
					// Compute spot frequency

					int Fdesired;
					Fdesired = Convert::ToInt32(200000.0+( i*(120000000.0-200000.0)/1024.0));

					TxBuf->TxAccum = FG->DDS(Fdesired);

					TxBuf->IDAClevelHi = TxLevLinear(0);	// Set High Tx Level
					TxBuf->IDAClevelLo = TxLevLinear(0 - TARGETLOMAG);	// Set Low TX Level
					TxBuf->IDAClevelMid = TxLevLinear(0 - TARGETMIDMAG);	// Set Mid TX Level

					TxBuf->ReplyType = 0;
					TxBuf->MeasureDelay = 0;
					TxBuf->QDAClevel = QDAC_ZERODBM;	// Reference level


					for (int k=0; k<7; k++)
					{
                        VNA->WriteRead(TxBuf, RxBuf);
						BufferI[k] = RxBuf->TranPI;
						BufferQ[k] = RxBuf->TranPQ;
						BufferM[k] = RxBuf->TranMQHi;
						BufferN[k] = RxBuf->TranMQLo;
						BufferP[k] = RxBuf->TranMQMid;
					}
					int TranPI = Median7i(BufferI);		// filter the raw readings
					int TranPQ = Median7i(BufferQ);
					int TranMQHi = Median7i(BufferM);
					int TranMQLo = Median7i(BufferN);
					int TranMQMid = Median7i(BufferP);

					Cal->ResolveTranPolar(TranPI, TranPQ, TranMQHi, TranMQLo, TranMQMid, (int)Fdesired, rmag, rphs);

					// convert it to rectangular
					double fx = fmagnitude * cos(fphase * DEGR2RAD);
					double fy = fmagnitude * sin(fphase * DEGR2RAD);

					// save it as S21-meas-through
					Cal->ThReal[i] = fx; Cal->ThImag[i] = fy;

					calProgressBar->Value = i;
					if(i%20 == 0)
						calProgressBar->Update();
				}
				statThru->Visible = true;
			}

		/// Fixture Save Calibration button click handler
	private: System::Void calSave_Click(System::Object *  sender, System::EventArgs *  e)
			{
				// Compute Error Terms
				CalToErrorTerms(Cal);

				// Save results to file
				outfile = new SaveFileDialog();
				outfile->Filter = "calibration files (*.cal)|*.cal";
				outfile->AddExtension = true;
				if (outfile->ShowDialog() == DialogResult::OK)
				{
					SaveCalDataSet(outfile, Cal);
					DialogResult = DialogResult::OK;	// Let caller know that Fixture Cal saved a valid file
				}
				else
					DialogResult = DialogResult::Cancel;
			}


};
}