Recent events make it likely that some migratory birds are now implicated in the direct spread of the H5N1 virus in its highly pathogenic form.
最近的事件表明一些候鸟有可能涉及直接传播高致病型H5N1型病毒。
Based on TMS320VC5410 microprocessor developing platform, the direct spread spectrum (DSS) sequence secrecy com-munication system is studied.
基于TMS320 VC 5410微处理器开发平台，对直扩序列保密通信系统进行了研究。
In a lot of antijamming techniques for direct spread spectrum system (DSSS), the DSSS signal is approximately considered as a stationary process.
众多的扩频通信抗干扰技术往往把有用扩频信号近似看作平稳随机过程。
In the presence of narrow-band interference (NBI), the performance of direct spread-spectrum systems (DSSS) can be improved by using various interference rejection filters.
在存在窄带干扰时，扩频通信系统的性能可以通过使用各种不同的抗干扰滤波器来进一步提高。
The modulation types of data link for UAV are simple, such as BPSK, 2FSK , direct spread spectrum. The transmitted rate and anti-interference performance of them are limited.
目前，无人机数据链系统采用的调制模式都比较简单，如2FSK、BPSK、直接扩频技术等，传输速率与抗干扰能力有限。
Fast Direct spread spectrum signal acquisition using block processing technique has been only used in software receivers because of the huge computation.
块处理方法实现扩频信号的捕获因其运算量巨大到目前为止多用于软件接收机中。
Multi-carrier and direct-spread-spectrum are employed by CDMA2000 to support wideband data service.
CDMA2000采用多载波和直接序列扩频两种方式来达到提供宽带数据业务的目的。
Multi-carrier and direct-spread-spectrum are employed by CDMA2000 to support wideband data service.
CDMA2000采用多载波和直接序列扩频两种方式来达到提供宽带数据业务的目的。
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