鍙嬫儏鎻愮ず锛氭湰绔欐彁渚涘叏鍦�400澶氭墍楂樼瓑闄㈡牎鎷涙敹纰╁+銆佸崥澹爺绌剁敓鍏ュ(xu茅)鑰冭│姝峰勾鑰冪爺鐪熼銆佽€冨崥鐪熼銆佺瓟妗堬紝閮ㄥ垎瀛�(xu茅)鏍℃洿鏂拌嚦2012骞�锛�2013骞达紱鍧囨彁渚涙敹璨�(f猫i)涓嬭級銆� 涓嬭級娴佺▼锛� 鑰冪爺鐪熼 榛�(di菐n)鎿娾€�鑰冪爺瑭﹀嵎鈥濃€濅笅杓�; 鑰冨崥鐪熼 榛�(di菐n)鎿娾€�鑰冨崥瑭﹀嵎搴�鈥� 涓嬭級
绗� 1 闋� 鍏� 4 闋� 鎴愰兘闆诲瓙绉戞妧澶у(xu茅) 2016 骞存敾璁€纰╁+瀛�(xu茅)浣嶇爺绌剁敓鍏ュ(xu茅)鑰冭│瑭﹂ 鑰冭│绉戠洰锛�858 淇¤櫉鑸囩郴绲�(t菕ng) 娉細鎵€鏈夌瓟妗堝繀闋堝鍦ㄧ瓟椤岀礄涓�锛屽鍦ㄨ│鍗锋垨鑽夌ǹ绱欎笂鍧囩劇鏁堛€� 涓€銆佸柈闋�(xi脿ng)閬告搰椤岋紙鍏� 25 鍒�锛屾瘡椤� 5 鍒嗭級 1銆� 瑷�(sh猫) ][nh 鏄洟鏁f檪(sh铆)闁� LTI 绯荤当(t菕ng)鐨勫柈浣嶆矕婵€闊挎噳(y墨ng)锛屼笅闈㈠摢鍊�(g猫)绯荤当(t菕ng)鏄洜鏋滃拰绌�(w臎n)瀹氱殑锛� 锛� A锛� ][][ nnunh ? B锛� ]1[) 8 cos(][ ?? nunnh ? C锛� ]1[) 2 1 )( 3 cos(][ ?? nunnh n? D锛� ]}4[]1[{) 2 1 (][ ???? nununh n 2銆� 瑷�(sh猫)淇¤櫉 )()( 2 tueety tt ?? ?? 锛屽墖 )(ty 鍙兘鏄笅闈㈠摢鍊�(g猫)淇¤櫉锛� 锛� A锛� t ety 2 )( ? ?? B锛� t ety 2 3 1 )( ? ? C锛� )()( 2 tuety t? ?? D锛変笉瀛樺湪 3銆� 宸茬煡淇¤櫉 ]3[][3]2[2][ ????? nunununx 鍜� ]1[]1[2][ ???? nnnh ?? 锛屽墖 ][][][ nhnxny ?? 鐐� 锛� 锛� A) 3,2,1,0,1,2,3},1,1,3,0,0,4,4{][ ???????? nny B) 3,2,1,0,1,2,3},1,1,1,1,1,2,2{][ ???????? nny C) 4,3,2,1,0},1,1,3,4,4{][ ????? nny D) 6,5,4,3,2,1,0},1,1,1,1,1,2,2{][ ????? nny 4銆� 閫g簩(x霉)鏅�(sh铆)闁撳懆鏈熶俊铏� )(tx 鐨勫倕閲岃憠绱氭暩(sh霉)绯绘暩(sh霉)鐐� ka 锛岃嫢鏌愬叐姊濊瓬绶氶枔闅旂偤 2 ? 锛屽墖鍩烘湰鍛ㄦ湡鍙� 鑳界偤锛� 锛� A锛� 2 ? B锛�8 C锛�2 D锛� 4 1 5銆� 宸茬煡 ][nh 鏄竴鍊�(g猫) LTI 绯荤当(t菕ng)鐨勫柈浣嶆矕婵€闊挎噳(y墨ng)锛屼笖 ][nh 鐨� Z 璁婃彌 )(ZH 鍦ㄦ湁闄愮殑 Z 骞抽潰涓婂儏鏈� 2 1 ?Z 鍜� 4?Z 鍏╁€�(g猫)妤甸粸(di菐n)銆傝嫢 n nh ? 2][ 鐨勫倕閲岃憠璁婃彌瀛樺湪锛屽墖 ][nh 鎵€浠h〃鐨勭郴绲�(t菕ng)鏄紙 锛� A)闈炲洜鏋�銆佺┅(w臎n)瀹� B)鍥犳灉銆侀潪绌�(w臎n)瀹� C锛夐潪鍥犳灉銆侀潪绌�(w臎n)瀹� D) 鍥犳灉銆佺┅(w臎n)瀹� 绗� 2 闋� 鍏� 4 闋� 浜�銆佸~绌洪锛堝叡 20 鍒嗭紝姣忛 5 鍒嗭級 1銆� 宸茬煡淇¤櫉 )]2()2([2)( ???? tututx 锛屽墖 )(tx 鍌呴噷钁夎畩鎻� )( ?jX 鍦� 3 5 3 5 ? ? ? ??? 闋诲付鍏�(n猫i)鏈� _________鍊�(g猫)閬庨浂榛�(di菐n)銆� 2銆� 宸茬煡淇¤櫉 )2()2()1()1(2)()(1 ??????? tuttutttutx 鍜� ? ?? ??? ??? k kttxtx )6()()( 1 ? 锛屽墖 )(tx 鐨勭洿 娴佸垎閲忕偤____________銆� 3銆� 鑻ヤ俊铏� ][nx 鐨� Z 璁婃彌鐐� )1)( 4 1 1( 1 )( 12 ?? ?? ? ZZ ZX 锛屽墖 ][nx 鍙兘鏈塤_____绋舰寮�銆� 4銆� 灏嶄竴鍊�(g猫) 10Hz 鐨勯煶闋讳俊铏� )(tx 閫�(j矛n)琛岄噰妯�锛岃嫢瑕佽兘涓嶅け鐪熷湴鎭㈠京(f霉)鍘熶俊铏� )(tx 锛屽墖涓€鍒嗛悩鑷冲皯 鎳�(y墨ng)閲囨ǎ_________榛�(di菐n)銆� 涓�銆侊紙8 鍒嗭級宸茬煡绯荤当(t菕ng)鐨勯枆寮忚〃閬�(d谩)鐐� ? ?? ??? ?? k kttxty )2()()( ? 锛岃珛纰哄畾 锛�1锛夌郴绲�(t菕ng)鏄惁鏄窔鎬х郴绲�(t菕ng)? 锛�2锛夌郴绲�(t菕ng)鏄惁鏄檪(sh铆)涓嶈畩绯荤当(t菕ng)? 锛�3锛夌郴绲�(t菕ng)鏄惁鏄洜鏋滅郴绲�(t菕ng)? 锛�4锛夌郴绲�(t菕ng)鏄惁鏄┅(w臎n)瀹氱郴绲�(t菕ng)? 鍥�銆侊紙10 鍒嗭級宸茬煡 LTI 绯荤当(t菕ng)锛岃几鍏� )(1 tx 鏅�(sh铆)杓稿嚭 )(1 ty 锛岃几鍏� )(2 tx 鏅�(sh铆)杓稿嚭 )(2 ty 锛屽叾涓� )(1 tx 銆� )(1 tx 銆� )(2 ty 濡傚湒 1 鎵€绀� 锛�1锛夌暙鍑� )(2 tx 鐨勫湒褰㈠苟瀵嚭琛ㄩ仈(d谩)寮� 锛�2锛夌暙鍑� ?? dx t ? ?? 2 )( 鐨勫湒褰� 鍦� 1 浜�銆侊紙10 鍒嗭級宸茬煡闆㈡暎鏅�(sh铆)闁撶窔鎬ф檪(sh铆)涓嶈畩绯荤当(t菕ng)鐨勫柈浣嶆矕婵€闊挎噳(y墨ng) ][) 4 1 (][ nunh n ? 锛岃嫢杓稿叆淇¤櫉 ? ?? ??? ??? k k knnx ][)1(][ ? 锛屾眰杓稿嚭淇¤櫉 ? ?y n 鐨勫倕閲岃憠绱氭暩(sh霉)琛ㄩ仈(d谩)寮� )(1 tx t 1 5.00 )(1 ty t 1 5.0 0 )(2 ty t 1 5.00 5.0 1 5.0? 5.1 2 绗� 3 闋� 鍏� 4 闋� 鍏�銆侊紙10 鍒嗭級瑷�(j矛)绠椾笅鍒楃⿳鍒� 锛�1锛� dttutue t ?? ? ? 5 5 1 2 )())1(( 锛�2锛� dt t tt ? ?? ?? 2 2 ] )3sin()2sin( [ ? 涓�銆� 锛�12 鍒嗭級宸茬煡閫g簩(x霉)鏅�(sh铆)闁撲俊铏� ? ?x t 濡傚湒 2 鎵€绀� 鍦� 2 锛�1锛夋眰 ?? ? dejX j ? ?? ?? )( 锛�2锛夋眰 ? ?x t 鐨勫倕閲岃憠璁婃彌 )( ?jX 鍏�銆� 锛�15 鍒嗭級閫g簩(x霉)绯荤当(t菕ng)濡傚湒 3 鎵€绀�锛屽叾涓� t t th ? ?3sin )(1 ? 锛� t t th ? ?sin )(2 ? 锛� t t th ? ?2sin4 )(3 ? 锛� ? ?? ??? ?? k kttp ) 2 1 ()( ? 锛岃嫢杓稿叆淇¤櫉 2 ) sin ()( t t tx ? ? ? 锛岀暙鍑� )(1 ty 锛� )(2 ty 锛� )(3 ty 鑸� )(ty 鐨勯牷 璀� 鍦� 3 涔濄€� 锛�10 鍒嗭級姹備笅鍒椾俊铏熺殑璁婃彌 锛�1锛夊凡鐭� 鏄� )(tx 鐨勫倕閲岃憠璁婃彌锛岀敤 琛ㄧず dt tdx )2(? 鐨勫倕閲岃憠璁婃彌 锛�2锛夊凡鐭ヤ俊铏� )1()( ?? ? tutetx t 锛屾眰 )(tx 鐨勬媺鏅媺鏂畩鎻�銆� )(tx t 1 0 1 1? 21?2? t?2cos )(tx )(1 ty )(2 ty )(1 th )(tp )(3 ty )(3 th )(ty )(2 th + - )( ?jX )( ?jX 绗� 4 闋� 鍏� 4 闋� 鍗�銆侊紙15 鍒嗭級涓€鍊�(g猫)鍥犳灉 LTI 绯荤当(t菕ng) S1 鐨勫柈浣嶆矕婵€闊挎噳(y墨ng)鐐� )(th 锛屽叾杓稿叆 )(tx 銆佽几鍑� )(ty 鍙互鐢ㄤ互 涓嬪井鍒嗘柟绋嬩締鎻忚堪 )()( )( )2( )( )21( )( 2 2 2 3 3 txtya dt tdy aa dt tyd a dt tyd ?????? 鏈夊彟澶栦竴鍊�(g猫) LTI 绯荤当(t菕ng) S2锛屽柈浣嶆矕婵€闊挎噳(y墨ng)鐐� )(tg 锛屽叐鍊�(g猫)绯荤当(t菕ng)鐨勫柈浣嶆矕婵€闊挎噳(y墨ng)鏈夊涓嬮棞(gu膩n)绯� )( )( )( th dt tdh tg ?? 锛�1锛夌⒑瀹氬(sh铆)鏁�(sh霉) a 鐨勮寖鍦�锛屼互纰轰繚 )(tg 鎵€浠h〃鐨勭郴绲�(t菕ng)鏄┅(w臎n)瀹氱殑 锛�2锛夎嫢杓稿叆 1)( ?tx 鏅�(sh铆)锛孡TI 绯荤当(t菕ng) S2 鐨勮几鍑� 4 1 )( ?ty 锛屾眰 LTI 绯荤当(t菕ng) S1 鐨勫柈浣嶆矕婵€闊挎噳(y墨ng) )(th 鍗佷竴銆侊紙15 鍒嗭級宸茬煡涓€鍊�(g猫)绌�(w臎n)瀹氱殑闆㈡暎鏅�(sh铆)闁撶窔鎬ф檪(sh铆)涓嶈畩绯荤当(t菕ng)鐢辩窔鎬у父绯绘暩(sh霉)宸垎鏂圭▼ ][]1[ 2 1 ][ 4 9 ]1[ nxnynyny ????? 纰哄畾銆� 锛�1锛夋眰瑭茬郴绲�(t菕ng)鐨勭郴绲�(t菕ng)鍑芥暩(sh霉) )(ZH 锛屽苟鐣嚭灏嶆噳(y墨ng)鐨勯浂妤靛湒 锛�2锛夋眰瑭茬郴绲�(t菕ng)鐨勫柈浣嶆矕婵€闊挎噳(y墨ng) ][nh 锛�3锛夊垽鏂疯┎绯荤当(t菕ng)鐨勫洜鏋滄€� 锛�4锛夋眰杓稿叆 ][][ nunx ? 鏅�(sh铆)鐨勮几鍑� ? ?y n 锛�5锛夌暙鍑鸿〃绀鸿┎绯荤当(t菕ng)鐨勬ā鎿鍦�
鍏嶈铂(z茅)鑱叉槑锛氭湰鏂囩郴杞�(zhu菐n)杓夎嚜缍�(w菐ng)绲�(lu貌)锛屽鏈変镜鐘紝璜嬭伅(li谩n)绯绘垜鍊戠珛鍗冲埅闄�锛屽彟锛氭湰鏂囧儏浠h〃浣滆€呭€�(g猫)浜鸿榛�(di菐n)锛岃垏鏈恫(w菐ng)绔欑劇闂�(gu膩n)銆傚叾鍘熷壍(chu脿ng)鎬т互鍙婃枃涓櫝杩版枃瀛楀拰鍏�(n猫i)瀹规湭缍�(j墨ng)鏈珯璀夊(sh铆)锛屽皪鏈枃浠ュ強鍏朵腑鍏ㄩ儴鎴栬€呴儴鍒嗗収(n猫i)瀹�銆佹枃瀛楃殑鐪熷(sh铆)鎬�銆佸畬鏁存€с€佸強鏅�(sh铆)鎬ф湰绔欎笉浣滀换浣曚繚璀夋垨鎵胯锛岃珛璁€鑰呭儏浣滃弮鑰冿紝骞惰珛鑷鏍稿(sh铆)鐩搁棞(gu膩n)鍏�(n猫i)瀹�銆�
|