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- spread spectrum transmission 展布频谱传输
- 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。
- Also,802.11 maintained compatibility with the three most popular radio transmission types: direct sequence spread spectrum,frequency-hopping spread spectrum,and infrared. 802.;11也保持了与三种最流行的无线电传输方式（直接顺序扩频、跳频扩频和红外线）的兼容性。
- With the application of the spread spectrum carrier and the power line communication,this system has such advantages as reliable transmission,low cost and high practicality. 由于采用扩频载波和电力线通信技术,因此该系统具有传输可靠、成本低廉和布线资源广泛等特点,并且具有很好的实用性。
- Also, 802.11 maintained compatibility with the three most popular radio transmission types: direct sequence spread spectrum, frequency-hopping spread spectrum, and infrared. 11也保持了与三种最流行的无线电传输方式（直接顺序扩频、跳频扩频和红外线）的兼容性。
- 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。
- 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。
- Based on the experience in building WLAN in a mountain area county, the author analyses the direct sequence spread spectrum in WLAN transmission technique, the composition of WLAN and their applications, as well as the standard of WLAN. 本文基于在一个山区县建成无线局域网的实践，研究无线局域网传输技术当中的直接序列扩频、无线局域网系统的组成和各种应用，并介绍无线局域网的标准。
- By means of the good period correlation of pseudorandom code and using the synchronism technology, the data transmission ability of the spread spectrum communication system is effectively improved. 提出了一种多幅扩频技术，利用伪随机码良好的周期互相关性，采用同步技术，有效地提高了扩频通信系统数据传输能力。
- 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。
- 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。
- The proposed scheme has the some advantage of dispensing with designing OSS and can be applied to downlink transmission at the cost of loss in the spreading spectrum. 新结构的优点是无需设计扩频序列并且可以应用于下行传输，其代价是要占用一定的扩频频谱资源。
- 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。
