9.17. The quadrature components of the clutter power spectrum are given in Problem 9.3. Let and . Compute the improvement of the signal-to-clutter ratio when a double delay line canceler is utilized.

K = –0.5, 0, and 0.5

-

+

x(t) Σ y (t)

Σ d elay, T

+ +

K 2

+

- + Σ d elay, T K 1 H(z)

K1 = 0 = K2 K1 = 0.2, K2 = 0.5

σc = 4Hz fr = 450Hz W

(f) w0 f2 2σc 2 =