不韋 呂 / Mbed 2 deprecated UIT2_SpectrumAnalyzer

Real-time spectrum analyzer for ST Nucleo F401RE using Seeed Studio 2.8'' TFT Touch Shield V2.0.

Dependencies:   SeeedStudioTFTv2 UITDSP_ADDA UIT_FFT_Real mbed

SpactrumAnalysisClasses/LinearPrediction.hpp

Committer:
MikamiUitOpen
Date:
2015-07-26
Revision:
0:c5b026c2d07e

File content as of revision 0:c5b026c2d07e:

//-----------------------------------------------------
// Class for linear prediction (Header)
// Copyright (c) 2014 MIKAMI, Naoki,  2014/12/30
//-----------------------------------------------------

#ifndef LINEAR_PREDICTION_HPP
#define LINEAR_PREDICTION_HPP

#include "mbed.h"

namespace Mikami
{
    class LinearPred
    {
    public:
        LinearPred(int nData, int order);
        ~LinearPred();
        bool Execute(const float x[], float a[], float &em);
    public:
        const uint16_t N_DATA_;
        const uint16_t ORDER_;

        float* r_;
        float* k_;
        float* am_;

        void AutoCorr(const float x[]);
        bool Durbin(float a[], float &em);
    };
}
#endif  // LINEAR_PREDICTION_HPP