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DFT 4 Point:: N KN N 1 N 0

The document outlines various chapters related to signal processing, including topics like DFT-FFT, convolution, and filter realization. It discusses different forms such as direct and parallel forms, as well as various types of filters like high/low pass and band pass/stop. Additionally, it covers mathematical concepts like Z transform and matrix forms in signal processing.

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tai.diep21
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13 views1 page

DFT 4 Point:: N KN N 1 N 0

The document outlines various chapters related to signal processing, including topics like DFT-FFT, convolution, and filter realization. It discusses different forms such as direct and parallel forms, as well as various types of filters like high/low pass and band pass/stop. Additionally, it covers mathematical concepts like Z transform and matrix forms in signal processing.

Uploaded by

tai.diep21
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Chap 3:

Cascade form:

Chap 7: DFT-FFT

Chap 5: Convolution DFT-IDFT:


kn
1. Direct form X(K) = ∑N−1
n=0 x[n]. WN
DFT 4 point:

WNK+N = WNK
1
x(n) = ∑N−1 X[K]. WN−kn
N n=0 Parallel form:
I-DFT 4 point:

2. Convolution table (x ngang, h dọc)


3. LTI form
FFT:
4 point:

8 point:
Transposed form:

4. Flip & slide (lật h, ghi dọc h, ghi chéo cộng


nhân) đít h là đầu x kéo dài đến đầu h là đít x
5. Overlap (chia khối theo block đề cho) 8 point inverse:
- x ngang, h dọc
6. Matrix form
Chia Phân Số

Chap 9: Filter realization


Direct I (direct form):

Kind Of Filter:
High/Low Pass F: Increase/Decrese
Band Pass F: increase then decrease
Band Stop F: decrease then increase
Chap 6: Z transform …+...∠−𝑥
|H(ω)| = | | e-jω = r∠+-ω
…+...∠−𝑥

a.y(n-k) -> a.z-k.Y(z)

Direct II (Canonical):

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