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- Application of wavelet in the spectrum signal processing of microspectrometer[J]. 引用该论文 陈刚;温志渝;杨桂荣;黄尚廉.
- Micro spectrometer generally takes the SSPA (self scanned photodiode array) as sensor to turn the spectrum signal into a form of electrical signal. 微型光谱仪通常采用光电探测器阵列作为光谱信号获取元件,将光谱信号转化为电信号。
- 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。
- 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。
- 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。
- 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。
- Kalman filtering, a modem recursive filtering, can correct disturbed spectrum signals even though the signals are strongly overlapped. 卡尔曼滤波是一种递推式的现代滤波方法,它在吸收结构严重重叠的情况下,仍可得到很好的分析结果。
- spread spectrum signal generator 扩频信号源
- 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。
- direct sequence spread spectrum signal 直接序列扩频信号
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Direct sequence spread spectrum signal(DS-SS) 直接序列扩频信号
- In the highly crowded HF band, available continuous bandwidth is very narrow, this threaten the viability of HF radar based on the continuous spectra signal system seriously. 在拥挤的高频频段,可用的连续带宽比较窄,基于连续谱信号体制的高频雷达的生存能力受到严重威胁。
- Direct sequence spread spectrum signal(DS/SS) 直扩信号
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。