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绋嬫帶浼烘湇闆绘(j墨)椹�(q奴)鍕�(d貌ng)鍣ㄤ富瑕佺敱鏁�(sh霉)鎿�(j霉)閲囬泦鍗CI锛�6251鍜岄﹨(q奴)鍕�(d貌ng)鏀惧ぇ鍠厓绲勬垚銆傜敱浜�6251杓稿嚭鐨勪俊铏�(h脿o)闆诲宄板€肩偤10V锛屽姛鐜囦篃寰堝皬锛屾墍浠ヤ笉瓒崇洿鎺ユ彁渚涗氦娴佷己鏈嶉浕姗�(j墨)鐨勬縺纾佸拰鎺у埗闆诲锛屽繀闋堥€氶亷(gu貌)椹�(q奴)鍕�(d貌ng)鏀惧ぇ鍠厓灏�(du矛)AO鍙ｇ櫦(f膩)鍑虹殑淇¤櫉(h脿o)閫�(j矛n)琛岄浕澹撳強鍔熺巼鐨勬斁澶�銆傞﹨(q奴)鍕�(d貌ng)鏀惧ぇ鍠厓涓湁鍏╄矾绲�(ji茅)妲�(g貌u)鐩镐技鐨勯浕璺紝涓€璺敤浜庢縺纾侀浕澹撶殑鏀惧ぇ锛屽彟涓€璺敤浜庢帶鍒堕浕澹撶殑鏀惧ぇ銆傛縺纾佸拰鎺у埗闆诲涔嬮枔90°鐨勭浉浣嶅樊锛岄€氶亷(gu貌)鏀惧ぇ鏉夸腑鐨勯浕瀹瑰(sh铆)鐝�(xi脿n)銆�

4銆佺郴绲�(t菕ng)杌熶欢瑷�(sh猫)瑷�(j矛)

4.1铏涙摤鍎€鍣ㄤ粙绱�

铏涙摤鍎€鍣ㄦ槸鐝�(xi脿n)浠ｈ▓(j矛)绠楁(j墨)鎶€琛�(sh霉)鍜屽剙鍣ㄦ妧琛�(sh霉)绲�(ji茅)鍚堢殑鐢�(ch菐n)鐗╋紝鏄暥(d膩ng)浠婅▓(j矛)绠楁(j墨)杓斿姪娓�(c猫)瑭﹀煙鐨勪竴闋�(xi脿ng)閲嶈鎶€琛�(sh霉)銆傝櫅鎿剙鍣ㄦ槸瑷�(j矛)绠楁(j墨)纭欢璩囨簮銆佸剙鍣ㄨ垏娓�(c猫)鎺х郴绲�(t菕ng)纭欢璩囨簮鍜岃櫅鎿剙鍣ㄨ粺浠惰硣婧愪簩鑰呯殑鏈夋晥绲�(ji茅)鍚堛€�

LabVIEW鏄竴绋湒褰㈠寲鐨勭法绋嬭獮(y菙)瑷€鍜岄枊鐧�(f膩)鐠�(hu谩n)澧�锛屼互LabVIEW鐐轰唬琛ㄧ殑鍦栧舰鍖栫▼搴忚獮(y菙)瑷€锛屽張绋辩偤“G”瑾�(y菙)瑷€銆傚畠鐩″彲鑳藉埄鐢ㄥ伐绋嬫妧琛�(sh霉)浜哄摗鎵€鐔熸倝鐨勮(sh霉)瑾�(y菙)銆佸湒妯�(bi膩o)鍜屾蹇�锛岀偤瀵�(sh铆)鐝�(xi脿n)鍎€鍣ㄧ法绋嬪拰鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鎻愪緵渚挎嵎閫斿緫銆�

鍦ㄥ墠闈㈡澘涓紝宸﹂倞涓嬫媺鑿滃柈涓伕鎿囪娓�(c猫)闆绘(j墨)鍨嬭櫉(h脿o)锛岄粸(di菐n)鎿�“鍟熷嫊(d貌ng)”鎸夐垥锛岀▼搴忛亱(y霉n)琛屻€侫I閲囬泦鍒扮殑绱呭灏�(du矛)绠¤剤娌栦俊铏�(h脿o)椤ず鍦ㄤ腑闁撶殑娉㈠舰鍦栦腑锛岄浕姗�(j墨)鐨勮綁(zhu菐n)閫熶互纰艰〃鍜屾暩(sh霉)瀛楀叐绋柟寮忛’绀恒€傚悓鏅�(sh铆)鍦ㄥ乏涓儴鐨�“娓�(c猫)瑭︾祼(ji茅)鏋�”涓’绀轰氦娴佷己鏈嶉浕姗�(j墨)杞�(zhu菐n)閫熸槸鍚﹀悎鏍�銆傚墠闈㈡澘濡傚湒4鎵€绀�銆�

鍦�4鍓嶉潰鏉�

4.2绯荤当(t菕ng)杌熶欢瑷�(sh猫)瑷�(j矛)

4.2.1杌熶欢娴佺▼鍦�

闁嬪娓�(c猫)瑭﹀悗锛岄鍏堥伕鎿囪娓�(c猫)闆绘(j墨)鍨嬭櫉(h脿o)锛岀劧鍚嶢O杓稿嚭淇¤櫉(h脿o)銆傚欢鏅�(sh铆)2s锛岄浕姗�(j墨)宸ヤ綔绌�(w臎n)瀹氬悗锛孉I娓�(c猫)閲忕磪澶栧皪(du矛)绠¤剤娌栦俊铏�(h脿o)锛岀稉(j墨ng)鎻涚畻鍚庡緱鍒板(sh铆)闅涜綁(zhu菐n)閫熸暩(sh霉)鍊�锛岀偤浜嗘彁楂樻脯(c猫)瑭︾簿搴︼紝閫欏€�(g猫)閬�(gu貌)绋嬪惊鐠�(hu谩n)5娆★紝鏈€鍚庡彇5娆℃脯(c猫)閲忚綁(zhu菐n)閫熺殑鍧囧€�銆傚垽鏂锋脯(c猫)閲忓€兼槸鍚﹀湪鐞嗘兂鍊艰寖鍦嶅収(n猫i)锛屽鏋滃湪鑼冨湇鍏�(n猫i)锛岄浕姗�(j墨)杞�(zhu菐n)閫熷悎鏍�锛屽弽涔�锛岀偤涓嶅悎鏍�銆傝粺浠舵祦绋嬪湒濡傚湒5鎵€绀�銆�

鍦�5绯荤当(t菕ng)杌熶欢娴佺▼鍦�

4.2.2绋嬪簭瑷�(sh猫)瑷�(j矛)

(1)鎺у埗淇¤櫉(h脿o)鐢�(ch菐n)鐢�

绋嬪簭鎺у埗鏁�(sh霉)鎿�(j霉)閲囬泦鍗CI锛�6251鐨凙O0銆丄O1鐢�(ch菐n)鐢熷叐璺寚瀹氶浕澹撳拰闋荤巼400Hz鐨勬寮︿俊铏�(h脿o)銆�

鍦ㄧ▼搴忓湒6涓紝DAQmxCreateChannel锛堝壍(chu脿ng)寤洪€氶亾锛夎ō(sh猫)缃偤AO0銆丄O1锛屾渶澶ф渶灏忛浕澹撹ō(sh猫)缃偤锛�10V鍜岋紞10V锛汥AQTiming锛堥噰妯ｆ檪(sh铆)閻橀牷鐜囷級瑷�(sh猫)缃偤鐢熸垚娉㈠舰鐨勬檪(sh铆)闁�锛宻amplemode锛堟ǎ鏈ā寮忥級瑷�(sh猫)缃偤ContinuousSample锛堥€ｇ簩(x霉)妯ｆ湰锛�锛汥AQWrite锛堢敘(ch菐n)鐢熸ǎ鏈級瑷�(sh猫)缃偤鐢�(ch菐n)鐢熷叐璺垎鍒ョ偤4V400Hz鍜�2V400Hz鐨勬鏃嬩俊铏�(h脿o)銆�

鍦�6鎺у埗淇¤櫉(h脿o)鐢�(ch菐n)鐢熺▼搴�

(2)鑴堟矕淇¤櫉(h脿o)閲囬泦

浼烘湇闆绘(j墨)宸ヤ綔鍚�锛岀磪澶栧皪(du矛)绠¤几鍑虹鐧�(f膩)鍑鸿剤娌�锛岄€欏€�(g猫)鑴堟矕鐢辨暩(sh霉)鎿�(j霉)閲囬泦鍗CI锛�6251鐨凙I鍙ｉ噰闆�銆傚湪绋嬪簭鍦�7涓�锛岃几鍏ョ瀛愰厤缃偤Differential锛堝樊鍒嗚几鍏ワ級锛岄噰妯ｆā寮忕偤ContinuousSamples锛堥€ｇ簩(x霉)妯ｆ湰锛夛紝閲囨ǎ鐜囩偤1000000銆侱AQmxRead瑷�(sh猫)缃偤AnalogWfm1ChanNSamp锛堝柈閫氶亾澶氶噰妯ｆā鎿尝褰級锛岄噰闆嗗埌鐨勫氨鏄竴鍊�(g猫)鑴堟矕娉㈠舰銆�

鍦�7鑴堟矕淇¤櫉(h脿o)閲囬泦绋嬪簭

(3)杞�(zhu菐n)閫熸彌绠�

閲囬泦鍒拌剤娌栦俊铏�(h脿o)鍚庡氨鏄垎鏋愯檿鐞嗘尝褰�锛屽緱鍒拌剤娌栧€�(g猫)鏁�(sh霉)銆傚洜?y脿n)妲妢娌栦俊铏�(h脿o)鏈�(hu矛)鍙楀埌骞叉摼锛屾墍浠ラ鍏堝皪(du矛)鑴堟矕娉㈠舰鏁�(sh霉)瀛桭IR婵炬尝锛涚劧鍚庤▓(j矛)绠楄剤娌栧€�(g猫)鏁�(sh霉)銆傚鍦�8鎵€绀恒€�

鍦�8鑴堟矕鍊�(g猫)鏁�(sh霉)瑷�(j矛)绠楃▼搴�

5銆佺祼(ji茅)璜�

鏈枃閫氶亷(gu貌)鐢↙abVIEW杌熶欢绶ㄧ▼锛屽€熷姪PCI锛�6251鐨凙O鍙ｇ櫦(f膩)鍑轰俊铏�(h脿o)锛岀稉(j墨ng)椹�(q奴)鍕�(d貌ng)鏀惧ぇ鍠厓铏曠悊鍚庨﹨(q奴)鍕�(d貌ng)闆绘(j墨)閬�(y霉n)鍕�(d貌ng)锛岀稉(j墨ng)鏁�(sh霉)鎿�(j霉)閲囬泦鍗CI锛�6251鐨凙I娓�(c猫)閲�锛岀稉(j墨ng)绋嬪簭鎻涚畻鍚�锛岄仈(d谩)鍒版脯(c猫)閲忎己鏈嶉浕姗�(j墨)杞�(zhu菐n)閫熺殑鐩殑銆傛湰鏂囦腑灏�(du矛)浜ゆ祦浼烘湇闆绘(j墨)鐨勯﹨(q奴)鍕�(d貌ng)鏂规硶锛屼互鍙婃脯(c猫)閲忛浕姗�(j墨)杞�(zhu菐n)閫熺殑鏂规硶宸插湪鍏烽珨宸ョ▼涓緱鍒版噳(y墨ng)鐢�锛屾晥鏋滆壇濂姐€�

鏈枃閫氶亷(gu貌)鐢↙abVIEW杌熶欢绶ㄧ▼锛屽€熷姪PCI锛�6251鐨凙O鍙ｇ櫦(f膩)鍑轰俊铏�(h脿o)锛岀稉(j墨ng)椹�(q奴)鍕�(d貌ng)鏀惧ぇ鍠厓铏曠悊鍚庨﹨(q奴)鍕�(d貌ng)闆绘(j墨)閬�(y霉n)鍕�(d貌ng)锛岀稉(j墨ng)鏁�(sh霉)鎿�(j霉)閲囬泦鍗CI锛�6251鐨凙I娓�(c猫)閲�锛岀稉(j墨ng)绋嬪簭鎻涚畻鍚庯紝閬�(d谩)鍒版脯(c猫)閲忎己鏈嶉浕姗�(j墨)杞�(zhu菐n)閫熺殑鐩殑銆傛湰鏂囦腑灏�(du矛)浜ゆ祦浼烘湇闆绘(j墨)鐨勯﹨(q奴)鍕�(d貌ng)鏂规硶锛屼互鍙婃脯(c猫)閲忛浕姗�(j墨)杞�(zhu菐n)閫熺殑鏂规硶宸插湪鍏烽珨宸ョ▼涓緱鍒版噳(y墨ng)鐢紝鏁堟灉鑹ソ銆�

鏇村璩囪▕璜�(q菒ng)闂�(gu膩n)娉�浼烘湇绯荤当(t菕ng)闋婚亾