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- chirp spread spectrum signals 线性调频扩谱信号
- FFT algorithm has been developed to acquire high dynamic spread spectrum signals in spread spectrum RSP developed by BRIT. 讨论了采用FFT算法实现高动态扩频信号快捕的一种方法。
- Ultra Wide Band (UWB) mechanism is to use the pulsing modulation to form spread spectrum signals for information transmission. 超宽带机理是利用脉冲冲击调制,形成扩频超宽带信号进行信息传输。
- To solve the problem of tracking for direct sequence spread spectrum signals where data is non-coherent with code, a new method of tracking is presented. 摘要针对数据位和伪码周期非相参时直接序列扩频信号的跟踪问题,提出了一种新的跟踪方法。
- The small center frequency difference between NBI and spread spectrum signal or the large NBI power will make spread spectrum communication invalid. 但当信道中窄带干扰(尤其是时变窄带干扰)的中心频率和直扩信号的中心频率近似,或功率远大于直扩信号功率时,直扩通信可能失效。
- The topic of this paper comes from the need of pricise carrier frequence measuring of Direct Sequence Spread Spectrum signal. 本论文课题来源于工程中要求对直接序列扩频信号载波频率进行精确测量的客观需求。
- In the tracking and data relay satellite system(TDRSS), it is difficult for a receiver operating in the high dynamic situation to realize spread spectrum signal acquisition. 摘要在TDRS通信系统中,用户星相对于中继星的高动态性引入的多普勒频移对扩频信号的捕获造成了很大的困难。
- Blind despread of multi-sequence Direct Sequence Spread Spectrum signals (tamed DSSS signals) with unknown spreading codes are discussed in this paper. 该文研究的是在未知扩频序列的情况下,实现多序列直扩信号(也称软扩频信号)的解扩。
- As the restrictions are mutually independent of the spread spectrum signal and interferences, which can be easily satisfied in practice, the algorithm is useful for suppressing various NBIs. 由于该算法只需直扩信号与干扰信号相互独立,且服从高斯分布的信号不多于一个,这在实际中很容易满足,因此适用性广。
- direct sequence spread spectrum signals 直扩信号
- spread spectrum signal generator 扩频信号源
- direct sequence spread spectrum signal 直接序列扩频信号
- Direct sequence spread spectrum signal(DS-SS) 直接序列扩频信号
- Direct sequence spread spectrum signal(DS/SS) 直扩信号
- Chirp spread spectrum Chirp扩额
- Study of Carrier Tracking for High-Dynamic Spread Spectrum Signals 高动态扩频信号的载波跟踪技术研究
- Signal-noise-ratio estimation for direct sequence spread spectrum signals 直接序列扩频信号的信噪比估计
- It uses spread spectrum technology. 它使用扩频技术。
- Wireless Spread Spectrum Communication and Its. 无线扩频通信及其应用。
- Study of Spread Spectrum Receiver. 扩频接收机的研究。