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sigfun.h

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00001 
00030 #ifndef SIGFUN_H
00031 #define SIGFUN_H
00032 
00033 #include <itpp/base/vec.h>
00034 
00035 
00036 namespace itpp {
00037 
00069   void xcorr_old(const vec &x, const vec &y, vec &out, const int max_lag=-1, const std::string scaleopt="none");
00070   void xcorr(const vec &x, const vec &y, vec &out, const int max_lag=-1, const std::string scaleopt="none");
00100   vec xcorr_old(const vec &x, const vec &y, const int max_lag=-1, const std::string scaleopt="none");
00101   vec xcorr(const vec &x, const vec &y, const int max_lag=-1, const std::string scaleopt="none");
00109   cvec xcorr(const cvec &x, const cvec &y,const int max_lag=-1,const std::string scaleopt="none");
00110 
00111 
00137   vec xcorr_old(const vec &x, const int max_lag=-1, const std::string scaleopt="none");
00138   vec xcorr(const vec &x, const int max_lag=-1, const std::string scaleopt="none");
00146   cvec xcorr(const cvec &x, const int max_lag=-1,const std::string scaleopt="none");
00147 
00153   void xcorr(const cvec &x, const cvec &y, cvec &out, const int max_lag=-1,const std::string scaleopt="none",
00154        bool autoflag=true);
00155 
00167   mat cov(const mat &X, bool is_zero_mean=false);
00168 
00169   //vec cov(const vec &x, short order);
00170 
00176   vec spectrum(const vec &v, int nfft=256, int noverlap=0);
00177 
00183   vec spectrum(const vec &v, const vec &w, int noverlap=0);
00184 
00190   vec filter_spectrum(const vec &a, int nfft=256);
00191 
00197   vec filter_spectrum(const vec &a, const vec &b, int nfft=256);
00198 
00201 } // namespace itpp
00202 
00203 #endif // #ifndef SIGFUN_H
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