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在 04-23-2010 06:11 PM
Dear all,
(1)Function "Extract Single Tone Information from Hann Spectrum.vi"
我利用該功能去測量頻率, 輸入端的資料頻率都是一樣的,
為什麼量出來的頻率會不一樣?
(2)Function "Harmonic Distortion Analyzer.vi"
我利用該功能去分析THD值, 為什麼波形很醜正旋波他的THD值會比波型很漂亮的正旋波還要低?
請各位幫幫我的忙, 謝謝.
在 04-26-2010 10:41 PM
看了你的程式發現, 問題是出在資料型態轉換. 請在文字轉成數字之後, 先把它轉成 I8 再轉成 DBL. 這樣出來的頻率就會是一致的了.
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