您要查找的是不是：
- spread spectrum information 扩频信息
- 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。
- 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。
- A spread spectrum receiver then uses the synchronized replica of the pseudo noise sequences to recover the original information. 接收端使用同步的伪随机序列进行相关解调恢复出原始信息数据。
- The Future of Spread Spectrum Communications in the Datong Coal Mine Group Co. 扩频通信技术在大同煤矿的应用前景。
- Frequency-hopping spread spectrum (FHSS) was developed by the military for secure communications. 跳频扩频（FHSS）是由军方为保密通信开发的。
- This paper uses the OIF method and considers the spectrum information of target objects. 利用最佳波段组合指数法同时考虑目标地物的光谱信息。
- Spread spectrum technology competes in the unregulated portion of the radio electromagnetic spectrum. 扩频技术是在无线电电磁频谱中无条例管制的部分中竞争。
- It is effective and useful method to determinate characteristic peak of IR by statistic large spectrum information. 说明对大量谱图信息进行统计分析确定基团的特征峰，是一种行之有效的方法。
- Spread spectrum has two distinct flavors: direct sequence and frequency hopping. 该技术有两个明显的变型：直接顺序与跳频。
- Pseudo random sequence has broad applications in stream cipher, channel coding, and spread spectrum communication. 伪随机序列在流密码、信道编码、频通信等领域有着广泛的应用.
- A better method for direct sequence spread spectrum(DSSS) receiver to decrease the acquisition time is proposed. 提出一种减小直接序列扩频(DSSS)接收机信号捕获时间的改进方法。
- A small scale digital trunking communication system based on the spread spectrum technology was presented. 介绍了一种基于扩频技术的全双工通信小型集群通信系统。
- By DEMON we can get more and stabler line spectrum information than by LOFAR, which is to make power spectrum analysis of signal directly. Several demodulation methods are introduced and compared. 通过包络解调技术可获得轴频等调制信息,这就是常用的DEMON谱分析方法。
- Spread spectrum was conducted first, and then it was embedded into watermark by means of integer modulo. 嵌入水印时，先对水印信息进行扩频，再利用基于模运算的方法嵌入水印。
- In the fifth chapter, hardware implementation of spread spectrum modulation module, sequence acquisition module, carrier NCO module and CORDIC module are given. 最后给出了扩频模块、载波数控振荡器模块、伪码捕获模块和CORDIC模块的硬件实现。
- This article introduces the principle of the closed link automatic frequency control system in Z2000 spread spectrum transceiver and how to control it. 本文阐述了Z2000接收机内的闭环自动频率控制系统的工作原理，并说明如何控制这个系统。
- 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。
