pseudo-noise中文什么意思

例句与用法

1. For it has many unique advantages , pseudo - noise linear m - sequence binary phased coded cw signal is widely used in the new generation air defense systems
   伪随机m序列相位编码连续波信号体制由于其固有的优点,在新一代地空制导雷达中得到了广泛的应用。
2. 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
   为了提高扩频通信系统的抗干扰性、降低信号被截获的概率,我们希望扩频码是随机的、动态变化的。
3. Based on the statistics characteristic of prc - phase - modulation cw phase - array guidance radar , this thesis discusses the signal processing method and cfar algorithm of multiple repetition frequency pseudo - noise m - sequence phase coded signal
   本文结合伪码调相连续波信号体制的特点,深入研究了多参差重复频率伪随机m序列相位编码信号的处理方法和恒虚警检测算法。
4. 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
   传统的扩频通信广泛采用伪噪声( pseudo - noise , pn )序列作为扩频序列, pn序列具有类噪声特性,但它实际上是确定的周期序列,容易被复制。
5. Simulations on the key technique of spread spectrum communications are studied here , according to the characteristic of lduwarc system , issues concerning pseudo - noise codes , spread spectrum method , correlation receiving and synchronization . we also design an error correction code for the system
   论文还对扩频通信的关键技术进行了仿真研究，针对远程声遥控系统的特点，讨论了扩频码、扩频方式、相关接收和同步问题，同时讨论了适合远程声遥控系统的纠错编码技术。