... Speech, video and image processing (语音、视频与图像处理) Spread spectrum systems (扩谱系统) Ultra wideband technology (超宽带技术) ...
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direct-sequence spread-spectrum systems 直接序列扩频系统
direct sequence spread spectrum systems 直接序列扩频系统
spread-spectrum ranging systems 扩频测距系统
spread spectrum ranging systems 扩频测距系统
spread-spectrum communication systems 扩频通信系统
In this paper, we analyze the BER performance of pilot symbol assisted two-dimensional spread spectrum systems with coherent demodulation in multi-path fading channels.
在多径衰落信道中，本文分析了导引辅助的二维扩频相干解调的误码率性能。
Computer simulations show that it is superior to the conventional approaches in most cases and thus is a good approach for narrow-band interference suppression in spread spectrum systems.
通过计算机仿真可以看出，在多数情况下它比传统方法的性能优越，这表明它是一种对于扩频系统中窄带干扰的抑制的好方法。
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。
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