It spurs us to develop highly efficient coding, modulation and signal processing techniques to improve the wireless frequency spectrum efficiency.
这种挑战使得人们努力开发高效的编码、调制以及信号处理技术来提高无线频率的效率。
The sources and effects of spurs in a rapid frequency-hopped PLL are investigated, a model for analyzing spur effect is developed, and the spur suppression ratio is defined.
系统地研究了快速跳频PLL中杂散来源，给出了环路杂散模型，定义了杂散抑制比。
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