700+ câu Trắc nghiệm Xử lý số liệu tín hiệu đáp án - Phần 1

Ex = 0

Ex = 1

Ex = ∞

Ex = n

Ex = 0

Ex = 1

Ex = ∞

Ex = n

Ex = 0

Ex = 1

Ex = ∞

Ex = N

Px = 0

Px = 1

Px = ∞

Px = N

Px = 0

Px = 1/2

Px = ∞

Px = N

δ (n)

Rect_N ⁽ⁿ⁾

U(n)

_e^-at. 1(t)

x(- n) = x(n)

x(n) đối xứng qua gốc toạ độ

x(- n) = - x(n)

x(n) > 0

x(n) ={0, 1, 1, 1, 1, 1, 0}

x(n) ={0, 1, 1, 1, 1, 1, 0}

x(n) ={0, 0, 1, 1, 1, 1, 1, 0}

x(n) ={0, 1, 1, 1, 1, 0}

x(n) ={0, 1, 1, 1, 1, 1, 0}

x(n) ={0, 1, 1, 1, 1, 1, 0}

x(n) ={0, 0, 1, 1, 1, 1, 1, 0}

x(n) ={0, 1, 1, 1, 1, 0}

y(n) ={0,1, 3, 3, 4, 0}

y(n) ={0, 4, 3, 3, 1, 1, 0}

y(n) ={ 0, 1, 1, 3, 4, 0}

y(n) ={0, 1, 1, 1, 1, 0}

y(n) ={0, 1, 3, 4, 5, 0}

y(n) ={0, 1, 1, 2, 3, 0}

y(n) ={0, 1, 1, 3, 3, 4, 0}

y(n) ={0, 1, 1, 2, 2, 3, 4,0}

y(n) ={0, 1, 2, 3, 4, 0}

y(n) = u(n)

y(n) ={0, 1, 2, 3, 4, 1, 1,…}

y(n) ={0, 2, 3, 4,0}

y(n) ={0, 3, 8,13, 18, 8, 0}

y(n) = {0, 5, 10, 15, 20, 0

y(n) ={0, 3, 8, 13, 18, 8, 0}

y(n) ={0, 2, 3, 4,0}

y(n) ={0, 2, 0}

y(n) = {0, 1, 2, 0, 0

y(n) ={0, 0, 0}

y(n) ={0, 4, 2,0}

x(n) ={0, 0, 1, 2, 3, 4, 5,…}

x(n) = {0, 1, 2, 3, 4,5}

x(n) = {0, 1, 2, 3, 4,5}

x(n) ={0, 2, 4, 6}

y(n) ={0, 2, 4, 6,0}

y(n) = {0, 2, 4, 0}

y(n) = {0, 1, 2, 4,1}

(n) ={0, 2, 5, 7}

y(n)= x1(n)+ x2(n)

y(n)= ax1(n)+ x2(n)

y(n)= x1(n). x2(n)

y(n)= ax1(n). x2(n)

y(n) ={0, 3, 4, 5, 6, 1, 0}

y(n) = {0, 2, 1, 3, 5}

y(n) = {0, 1, 2, 4, 5}

y(n) ={0, 2, 4, 6, 8, 0}

y(n)= x1(n)+ x2(n)

y(n)= ax1(n)+ x2(n)

y(n)= x1(n). x2(n)

y(n)= ax1(n). x2(n)

y(n) ={0, 1, 4, 5, 2, 1, 0}

y(n) = {0, 3, 4, 5, 6, 2}

y(n) = {0, 2, 2, 1, 5}

y(n) ={0, 2, 1, 5, 8, 0}

y(n)= x1(n)+ x2(n)

y(n)= ax1(n) - bx2(n)

y(n)= x1(n). x2(n)

y(n)= ax1(n). x2(n)

y(n) ={0, 0, 2, 4, 5, 0}

y(n) = {0, 0, 1, 3, 5, 0}

y(n) = {0, 1, 2, 3, 5}

y(n) ={0, 1, 2, 5, 8, 0}

y(n)= a[x1(n)+ x2(n)]

y(n)= ax1(n) - x2(n)

y(n)= x1(n). x2(n)

y(n)= ax1(n). x2(n)

y(n) ={0, 0, 4, 6, 8, 0}

y(n) = {0, 0, 2, 3, 5, 0}

y(n) = {0, 1, 2, 3, 6}

y(n) ={0, 1, 2, 1, 8, 0}

y(n)= x(n)+y(n+1)

y(n)= x(n) + x(n-1)

y(n)= x(n) + x(n+1)

y(n)= x(n) +y(n-1)

y(n)= x(n)+y(n+1)

y(n)= x(n) + x(n-1)

y(n)= x(n) + x(n+1)

y(n)= x(n) +y(n-1)

y(n)= 3[x(n+1) + x(n)+ x(n-2)]

y(n)= 3[x(n+2) + x(n)+ x(n-1)]

y(n)= 3x(n+2) + x(n)+ x(n-1)

y(n)= x(n+2) + 3x(n)+ x(n-1)

y(n)= x(n+1) + x(n)+ x(n-2)

y(n)= x(n+2) + x(n)+ x(n-1)

y(n)= x(n+2) + x(n)+ x(n-1)

y(n)= x(n+2) + 2x(n)- x(n-1)

2x(n)+x(n-2)

3x(n-1)+2x(n-2)+x(n+2)

x(n)+3x(n-2)

nx(n)+3x(n-1)+2x2(n-2)

y(n) ={0, 1, 2, 4, 8, 0}

y(n) = {0, 1, 2, 1, 3, 0}

y(n) = {0, 1, 2, 2, 2, 1, 0}

y(n) ={0, 1, 2, 1, 8, 0}