pn pseudo-random noise 中文意思是什麼
pn pseudo-random noise
解釋
偽隨機噪聲-
However, the traditional spreading codes are usually deterministic pseudo - noise ( pn ) codes, which can be duplicated, potentially compromising the transmission security. then the time varying and random spreading codes are expected
為了提高擴頻通信系統的抗干擾性、降低信號被截獲的概率,我們希望擴頻碼是隨機的、動態變化的。 -
Traditional spread spectrum communication adopts pseudo - noise ( pn ) codes as spreading codes. however, pn sequence is fixed and periodic, which threatens the transmission security. self - encoded spread spectrum ( sess ) employs random spreading sequences that are extracted from the random information data, abandoning the fixed sequence
傳統的擴頻通信廣泛採用偽噪聲( pseudo - noise , pn )序列作為擴頻序列, pn序列具有類噪聲特性,但它實際上是確定的周期序列,容易被復制。
分享友人