在这论文里，感知网络的性能是通过考虑新的合作战略协作式频谱信号组合来提高。
The present dissertation is showing the performance of the cognitive network is improved with the consideration of cooperative spectrum sensing scheme using new cooperative strategy.
但由于模态混淆，当信号组合分量的频率太接近时，HHT常不能正确分解窄带信号。
But when the frequency of components is too near, HHT cannot shift the narrowband signal because of mode confusion.
在数字域中将数字偏移与音频信号组合以取消由处理所述相同音频信号的一个或一个以上模拟组件引起的输出偏移。
A digital offset is combined with an audio signal in the digital domain to cancel an output offset caused by one or more analog components processing the same audio signal.
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