系统对象

EngeeDSP.gpsWaveformGenerator: GPS信号发生器（传统的L1和L2，升级的L1C，L2C和L5）。
EngeeDSP.NotchPeakFilter: 可配置陷波和窄带二阶IIR滤波器。
EngeeDSP.spectrumAnalyzer: 创建频谱分析仪对象。

EngeeDSP.AdaptiveLatticeFilter
EngeeDSP.AllpoleFilter
EngeeDSP.ArrayVectorAdd
EngeeDSP.ArrayVectorDivide
EngeeDSP.ArrayVectorMultiply
EngeeDSP.ArrayVectorSubtract
EngeeDSP.Autocorrelation
EngeeDSP.BackwardSubstitution
EngeeDSP.BiquadFilter
EngeeDSP.Buffer
EngeeDSP.ChannelSynthesizer
EngeeDSP.CholeskyFactorization
EngeeDSP.ConstantRamp
EngeeDSP.Correlation
EngeeDSP.CumulativeProduct
EngeeDSP.CumulativeSum
EngeeDSP.Detrend
EngeeDSP.DiscreteFIRFilter
EngeeDSP.DiscreteTransferFunctionEstimator
EngeeDSP.Discrete_Filter
EngeeDSP.EngeeFFT
EngeeDSP.EngeeFFTshift
EngeeDSP.ForwardSubstitution
EngeeDSP.LDLFactorization
EngeeDSP.LMSFilter
EngeeDSP.LUFactorization
EngeeDSP.LevinsonDurbin
EngeeDSP.MathFunction
EngeeDSP.Matrix1Norm
EngeeDSP.MatrixExponential
EngeeDSP.Median
EngeeDSP.MedianFilter
EngeeDSP.MovingAverage
EngeeDSP.MovingMaximum
EngeeDSP.MovingMinimum
EngeeDSP.Normalization
EngeeDSP.Pad
EngeeDSP.PolynomialEvaluation
EngeeDSP.PolynomialStabilityTest
EngeeDSP.Quantizer
EngeeDSP.RLSFilter
EngeeDSP.SOSFilter
EngeeDSP.Selector
EngeeDSP.SineWaveDSP
EngeeDSP.Sort
EngeeDSP.Toeplitz
EngeeDSP.TrigonometricFunction
EngeeDSP.VariableBandwidthFIRFilter
EngeeDSP.Variance
EngeeDSP.ZeroCrossing
EngeeDSP.dBConversion
EngeeDSP.dBGain
EngeeDSP.load_audio
EngeeDSP.play_audio