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fft的labwindows實現(xiàn) 界面操作,頻率可選,有加窗處理,完善詳細的程序流程和注釋
代碼片段和文件信息
#include?
#include?“toolbox.h“
#include?
#include?
#include?
#include?“fft_self.h“
#include?
//#define?N?1024
#define?pi?3.14159265358979?
static?double?*wavesignal; ???//輸入信號的實部??輸入信號的個數(shù)由wavepoint定
static?double?*waveimgsignal; ???//輸入信號的虛部
static?double?*magnitude; ???//繪圖時輸出信號的幅值
static?double?*phase; ???//繪圖時輸出信號的相位
static?int?wavepoint; ???//輸入信號的總點數(shù),由用戶輸入為2的N次方
static?int?panelHandle;
typedef?struct?compx?
{?
??double?real;?
??double?imag;?
}compx;
//自定義函數(shù),繪制信號波形
void?drawgraph?(void);
//自定義函數(shù),產(chǎn)生信號波形
void?signaltype?(int?type?int?samplepoint?double?amp?double?phase?int?cycle?double?*wave);?
int?pow_int(int?aint?b);
void?sort(double?*arrayin_realdouble?*arrayin_imagint?number);
void?fft_self(double?*arrayin_realdouble?*arrayin_imagint?wavepoint);
compx?Compx_Mul(compx?b1compx?b2);
int?log2(int?a);
//compx?time_sig[2*N]freq_sig[2*N];?//時域信號Time_Sig,頻域信號X1X2Freq_Sig?
com
?屬性????????????大小?????日期????時間???名稱
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?????文件???????3239??2009-02-10?21:22??fft的labwindows實現(xiàn)\frequencydomainanalysis.cws
?????文件?????524800??2009-02-10?22:14??fft的labwindows實現(xiàn)\fft_self_dbg.exe
?????文件?????996162??2009-02-10?22:14??fft的labwindows實現(xiàn)\fft_self_dbg.cdb
?????文件???????1117??2009-02-10?16:02??fft的labwindows實現(xiàn)\Include?File.h
?????文件???????4012??2009-02-10?16:02??fft的labwindows實現(xiàn)\fft_self.prj
?????文件??????11692??2009-02-10?22:13??fft的labwindows實現(xiàn)\fft_self.c
?????文件??????10832??2009-02-10?22:14??fft的labwindows實現(xiàn)\fft_self.uir
?????文件???????2341??2009-02-10?22:14??fft的labwindows實現(xiàn)\fft_self.h
?????文件?????464384??2009-02-10?22:31??fft的labwindows實現(xiàn)\fft_self.exe
?????文件???????3399??2009-02-10?22:31??fft的labwindows實現(xiàn)\fft_self.cws
?????文件???????3401??2009-02-10?22:34??fft的labwindows實現(xiàn)\Fft_self.cds
?????文件?????185924??2009-02-10?22:14??fft的labwindows實現(xiàn)\cvibuild.fft_self\fft_self.nidobj
?????文件???????5104??2009-02-10?22:31??fft的labwindows實現(xiàn)\cvibuild.fft_self\resources.res
?????文件?????????98??2009-02-10?22:14??fft的labwindows實現(xiàn)\cvibuild.fft_self\dependencies.bri
?????文件???????8968??2009-02-10?22:31??fft的labwindows實現(xiàn)\cvibuild.fft_self\fft_self.niobj
?????文件???????2930??2009-02-10?22:34??fft的labwindows實現(xiàn)\cvibuild.fft_self\build.ini
?????目錄??????????0??2009-02-10?22:41??fft的labwindows實現(xiàn)\cvibuild.fft_self
?????目錄??????????0??2009-02-10?22:41??fft的labwindows實現(xiàn)
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