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答案:
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1.4②②y(k
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2.y(k) 2y(k-1) 5 y(k-2) =3f(k)-4 f(k-1)
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3.katlanabilir bebek yıkama küvet seti 4 parça hediyeli bebek yıkama küvet seti filesi
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4.下列语句序列执行后,k 的值是( ) int x = 6, y = 10, k = 5; switch (x % y) { case 0: k = x * y; case 6: k = x
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5.sEà du ā nĩ káy y ā ng ng ā i kã เสื้อตัวนี้ ( ) ยังไงคะ?
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6.Даны функции: A) y=−2x 4; B) y=2x−4; C) y=2x 4.A) y=−2x 4;B) y=2x−4;C) y=2x 4.Установите соответствие
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7.若方程为: y(k) – y(k –1) – 2y(k –2)=f(k) – f(k – 2) 求单位序列响应h(k),单位阶跃响应 g(k)
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8.B.y(k) y(k-1)y(k-2)=2f(kC.y(k) ky(k-2)=f(1-k) 2f(k-1D.y(k) 2y(k-1)-2f(k》
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9.离散信号x[k]={1,1,1;k=0,1,2}和h[k]={2,3,2; k=-1,0,1}进行卷积运算得到y[k]=x[k]*h[k],其中y[k]的k的取值为( )。
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10.Dim x(), k%, m%x = Array(1, 2, 3, 4, 5)For k = 0 To 1 m = x(k): x(k) = x(4 - k): x(4 - k) = mNext