鍏ㄥ浗
2011
骞?/p>
4
鏈堥珮绛夋暀鑲茶嚜瀛﹁�冭瘯
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璇剧▼浠ｇ爜
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(
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10
灏忛锛屾瘡灏忛
1
鍒嗭紝鍏?/p>
10
鍒?/p>
)
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璇峰皢鍏朵唬鐮佸～鍐欏湪棰樺悗鐨勬嫭鍙峰唴銆?/p>
閿欓�夈�佸閫夋垨鏈�夊潎鏃犲垎銆?/p>
1.
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1(t)
鐨勯噰鏍蜂俊鍙?/p>
Z
鍙樻崲鏄?/p>
2.
濡傛灉绂绘暎淇″彿
f(k)
鐨?/p>
Z
鍙樻崲涓?/p>
F(z)
锛屽垯
f(k+1)
鐨?/p>
Z
鍙樻崲涓?/p>
z[F(z)-f(0)]
3.
濡傛灉閲囨牱棰戠巼鏄?/p>
500Hz
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250Hz
4.
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Z[G1(s)]=G1(z)
锛?/p>
Z[G2(s)]=G2(z)
锛?/p>
Z[G1(s)G2(s)X(s)]=G1G2X(z)
锛屽垯
y(n)
鐨?/p>
Z
鍙樻崲
Y(z)
涓?/p>
G1G2X(z)
5.
鏌愭寮︾數姘旈噺鐨勪袱涓噰鏍峰�间负
6
鍜?/p>
8
锛?/p>
閲囨牱鐐归棿闅旂殑鐢佃搴︿负
90
掳锛?/p>
鍒欒姝ｅ鸡閲忕殑骞呭�兼槸
10
6.
鏁板瓧婊ゆ尝鍣?/p>
y(n)=x(n)-2x(n-2)+3x(n-3)
锛屽湪閲囨牱鍛ㄦ湡鏄?/p>
ms
鏃讹紝鏃堕棿绐楁槸
ms
7.
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N
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x(0)~x(N)
璁＄畻浜屾璋愭尝姝ｅ鸡鍒嗛噺骞呭�?/p>
a2
鐨勮绠楀叕
寮忔槸
8.
杈撶數绾胯矾鍙戠敓
CA
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u(t)
搴旈�変负
uca(t)
锛岀數娴?/p>
i(t)
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ica(t)
9.100Hz
姝ｅ鸡鐢垫皵閲忛噰鏍峰懆鏈熶负
(ms)
鏃讹紝鐩搁偦涓や釜閲囨牱鐐归棿闅旂殑鐢佃搴︽槸
60
掳
10.
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B
銆?/p>
C
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A
鐩稿箙鍊间负
闆讹紝鍒欑嚎璺彂鐢熺殑鏁呴殰鏄?/p>
BC
涓ょ浉鐭矾
浜屻�佸～绌洪
(
鏈ぇ棰樺叡
20
灏忛锛屾瘡灏忛
1
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20
鍒?/p>
)
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11.
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12.
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13.
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鍔涖�?/p>
14.VFC
鍨嬫暟鎹噰闆嗙郴缁熶腑鐨勮鏁板櫒鐢ㄤ簬璁￠噺
VFC
鍏冧欢杈撳嚭鐨勭數鍘嬩俊鍙风Н鍒嗗�笺�?/p>
15.
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16.
閲囨牱鍛ㄦ湡鏄?/p>
T
鐨勭鏁ｆ帶鍒剁郴缁燂紝鍏堕鐜囩壒鎬?/p>
H(ej
蠅
T)
鏄?/p>
W
鐨勫懆鏈熷嚱鏁帮紝鍛ㄦ湡鏄?/p>
2
蟺
/T
銆?/p>
17.
鍚堢悊璁剧疆鏁板瓧婊ゆ尝鍣ㄨ剦鍐蹭紶閫掑嚱鏁版瀬鐐瑰彲浠ユ妸妯℃嫙閲忎腑鏈夌敤鐨勯鐜囧垎閲忔彁鍙栥�?/p>
18.
杈撶數绾胯矾姝ｅ父杩愯鏃讹紝鐩哥數娴佺灛鏃堕噰鏍峰�煎樊绐佸彉閲忚捣鍔ㄥ厓浠垛柍
Ica
绛変簬闆躲�?/p>
19.
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20.
閲囩敤鍌呯珛鍙剁畻娉曟椂锛屼笉闇�瑕佸鐢垫祦銆佺數鍘嬬殑鍛ㄦ湡閲囨牱鏁版嵁杩涜婊ゆ尝銆?/p>
21.
瑙ｅ井鍒嗘柟绋嬬畻娉曢噰鐢ㄧ數娴佺殑骞冲潎鍊间唬鏇垮叾閲囨牱鍊笺�?/p>
22.
鍦ㄧ數鍔涚郴缁熸甯歌繍琛屾椂锛屼笁鐩哥數鍘嬮噰鏍峰�间箣鍜屼负闆躲�?/p>
23.
闆剁偣婊ゆ尝鍣ㄧ敤浜庡皢杈撳叆淇″彿涓殑鏌愪簺棰戠巼淇″彿婊ら櫎銆?/p>
24.
浠庝俊鍙蜂腑鎻愬彇鍏朵腑鏈夌敤棰戠巼鍒嗛噺鐨勮繃绋嬬О涓烘护娉€�?/p>
25.
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绋嬪簭銆?/p>
26.
鍦ㄧ數鍔涚郴缁熷彂鐢熸晠闅滄椂锛岀浉鐢垫祦宸獊鍙橀噺璧峰姩鍏冧欢鐢ㄦ潵璧峰姩寰瀷鏈鸿窛绂讳繚鎶ょ▼搴忎腑鐨勬晠