鎽� 瑕侊細铏涙摤鍎€鍣紙Virtual Instrument锛岀啊(ji菐n)绋盫I锛夋槸鐝�(xi脿n)浠ｈ▓(j矛)绠楁(j墨)鎶€琛�(sh霉)銆侀€氫俊鎶€琛�(sh霉)鍜屾脯(c猫)閲忔妧琛�(sh霉)鐩哥祼(ji茅)鍚堢殑鐢�(ch菐n)鐗�銆傛湰鏂囦粙绱逛簡铏涙摤鍎€鍣ㄧ殑鐗归粸(di菐n)锛屾噳(y墨ng)鐢ㄤ互鍙婂熀浜嶭abVIEW铏涙摤鍎€鍣ㄩ枊鐧�(f膩)骞宠嚭(t谩i)瑷�(sh猫)瑷�(j矛)铏涙摤鏁�(sh霉)瀛楁烤娉㈠櫒鐨勬柟娉曘€� 闂�(gu膩n)閸佃锛�FIR鏁�(sh霉)瀛楁烤娉㈠櫒;LABVIEW;绋嬪簭瑷�(sh猫)瑷�(j矛) Abstract锛�Virtual instrument is a product of modern computer software technology and communication technology in combination with test and measurement technology. The characteristic and apply of virtual instrument are introduced. Base on the virtual instrument development platform of LabVIEW锛宼he design of virtual instrument of filter is given in details. 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