数字通信proakis(习题)Corrections to Digital Communications, 4th Edition 1. Page 31, Equation (2.1-54) First line: yl instead of y2 Second line: gn instead of g1 2. Page 163, Equation (4.2-30) should be: s(t) = ao/2 +Σk=1∞3. Page 163, Equation (4.2-31) should be: ak = (2/T) ∫ s(t) cos 2πkt/T dt , k>00Tbk = (2/T) ∫ s(t) sin 2πkt/T dt , k>10T4. Page 178, 7 lines from the top should be: sqrt (2ε) instead ofε sqrt (2)5. Page 238, Equation (5.1-19) should be: h(T-τ ) instead of h(t-τ ) 6. Page 238, two lines below Equation (5.1-20) should be: y2 (T) instead of y2(t)n n7. Page 244, Equation (5.1 ……