短语词组短语pseudo random noise 伪随机噪声;调变电码pseudo -noise coding 伪噪声码Pseudo -Noise code 伪码PRN Pseudo Random Noise 媅帡俦儞僟俭峃壒PN Pseudo -Noise 伪噪声;伪噪音- pseudo random noise 伪随机噪声码pseudo random noise generation 伪随机噪声生成 返回 pseudo noise