Understanding digital signal processing - Chapter 4 ppt

Real-Time Digital Signal Processing - Chapter 4: Frequency Analysis

Real-Time Digital Signal Processing - Chapter 4: Frequency Analysis

... FFF, N À 1: 4: 4: 24 Equation (4. 4.23) is called the analysis equation for calculating the spectrum from the signal, and (4. 4. 24) is called the synthesis equation used to reconstruct the signal from ... as X!jX!je jf x ! , 4: 4:9a Y!jY!je jf y ! : 4: 4:9b Substituting (4. 3.18) and (4. 4.9) into (4. 4.8),we have jY!je jf y ! jH!kX!je jf!f x !: 4: 4:10...
Ngày tải lên : 23/10/2013, 22:15
  • 54
  • 549
  • 0

Xem thêm

Từ khóa: