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t - 厦门大学通信工程系

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离 散 信 道 的 信 道 容 量<br />

• 无 记 忆 信 道 转 移 概 率 矩 阵<br />

pY ( / X)<br />

j<br />

i<br />

⎡P(y/x) 1 1<br />

P(y/x)<br />

2 1<br />

… P(y<br />

m/x)<br />

1<br />

⎢<br />

⎢<br />

P(y/x) P(y/x) … P(y /x)<br />

…………………………………<br />

⎢<br />

⎣P(y 1/x n) P(y<br />

2/x n) … P(y<br />

m/x n)<br />

1 2 2 2 m 2<br />

= ⎢ ⎥<br />

⎤<br />

⎥<br />

⎥<br />

⎥<br />

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