/// <summary>
/// 配置分析参数
/// </summary>
/// <param name="refWaveform">参考波形</param>
public void SetAnalyzeParam(SteppedLevelSineWaveform refWaveform)
{
analyzer.SetReferenceWaveform(refWaveform.GetRawWaveform() as ManagedAudioLibrary.SteppedLevelSineWaveform);
this.refWaveform = refWaveform;
this.RefWaveform = refWaveform;
IsAnalyzeParamSet = true;
}
/// <summary>
/// SteppedLevelSine波形生成
/// </summary>
/// <param name="sampleRate">采样率</param>
/// <param name="amplitudeMin">最小频率</param>
/// <param name="amplitudeMax">最大频率</param>
/// <param name="frequency">频率</param>
/// <param name="steps">波幅阶数</param>
/// <param name="minCycle">最小周期</param>
/// <param name="minDuration">最小时间</param>
/// <param name="isLog">是否对数波形</param>
/// <param name="isInverse">是否反转</param>
/// <returns>波形数据</returns>
public static double[] SteppedLevelSineWaveform(double sampleRate,
double amplitudeMin, double amplitudeMax, double frequency, ushort steps,
ushort minCycle, double minDuration, bool isLog = false, bool isInverse = false)
{
SteppedLevelSineWaveform steppedLevelSineWaveform = new SteppedLevelSineWaveform();
steppedLevelSineWaveform.CreateData(amplitudeMin, amplitudeMax, frequency, steps,
isLog, isInverse, minCycle, minDuration, sampleRate);
double[] waveData = new double[steppedLevelSineWaveform.GetTotalPoints()];
steppedLevelSineWaveform.GetCopyOfData(waveData);
return(waveData);
}
public void Start()
{
if (null == tableLayoutPanel_waveConfig.Controls[0])
{
return;
}
double sampleRate = (double)numericUpDown_sampleRate.Value;
Generator waveGenerator = tableLayoutPanel_waveConfig.Controls[0] as Generator;
dataGridView_result.Rows.Clear();
AITask.AITask input = _globalInfo.AITask;
AOTask.AOTask output = _globalInfo.AOTask;
output.SetUpdateRate(sampleRate);
input.SetSampleRate(sampleRate);
double channelRange = waveGenerator.GetAmplitude();
output.AddChannel(comboBox_aoChannel.SelectedIndex, -1 * channelRange, channelRange);
input.AddChannel(comboBox_refChannel.SelectedIndex, -1 * channelRange, channelRange);
input.AddChannel(comboBox_testChannel.SelectedIndex, -1 * channelRange, channelRange);
double[] outData = waveGenerator.Generate();
output.SetSamplesToUpdate(outData.Length);
double outTime = outData.Length / output.GetUpdateRate();
input.SetSamplesToAcquire((int)(outTime * input.GetSampleRate() * GlobalInfo.ExtraReadTime));
output.WriteData(outData, -1);
input.Start();
output.Start();
double[,] readWaveform = new double[input.GetSamplesToAcquire(), 2];
input.ReadData(ref readWaveform, readWaveform.GetLength(0), GlobalInfo.ReadTimeOut);
double[,] plotData = new double[readWaveform.GetLength(1), readWaveform.GetLength(0)];
ArrayManipulation.Transpose(readWaveform, ref plotData);
_globalInfo.Mainform.Invoke(new Action <double[, ], double, double>(easyChart_waveform.Plot), plotData, 0, 1);
_testData = new double[plotData.GetLength(1)];
Buffer.BlockCopy(plotData, 0, _testData, 0, _testData.Length * sizeof(double));
_refWaveform = waveGenerator.GetRefWaveform() as SteppedLevelSineWaveform;
// double[] peakToPeak, thd, nr, thdPlusNr, rms;
// SeeSharpTools.JY.Audio.AudioAnalyzer.AnalyzeSteppedLevelSineWaveform(testWaveData, refWaveform,
// out peakToPeak, out thd, out nr, out thdPlusNr, out rms);
_analyzeSize = _refWaveform.GetTotalPoints();
}
public static Form GetGenerator(GeneratorType type)
{
Form generatorPanel = null;
switch (type)
{
case GeneratorType.AribitraryWaveform:
break;
case GeneratorType.FromWavFile:
break;
case GeneratorType.LogChirpWaveform:
generatorPanel = new LogChripWaveForm();
break;
case GeneratorType.MultiToneWaveform:
generatorPanel = new MultiToneWaveForm();
break;
case GeneratorType.SingleToneWaveForm:
generatorPanel = new SingleToneWaveForm();
break;
case GeneratorType.DualToneWaveForm:
generatorPanel = new DualToneWaveForm();
break;
case GeneratorType.SteppedLevelSineWaveform:
generatorPanel = new SteppedLevelSineWaveform();
break;
case GeneratorType.SteppedSineWaveform:
generatorPanel = new SteppedSineWave();
break;
default:
break;
}
return(generatorPanel);
}
