在协作频谱感知网络中，感知时间和数据融合准则均影响着感知性能。
In cooperative spectrum sensing networks, the performance of the spectrum sensing is influenced by the sensing time and data fusion scheme.
实验表明，语音信号在基于模板匹配的近似KLT域的压缩感知性能较好。
Simulation results demonstrate that compressed speech signal sensing in the approximate KLT using template matching has good performance.
仿真表明该方法能够在感知性能损失有限的情况下有效减小报告信道的开销。
The simulation results showed that cooperative spectrum sensing algorithm based on quantization and encoding could effectively reduce the reporting overhead under constrained sensing performance loss.
频谱感知是认知无线电系统的关键技术之一，协作频谱感知能够提高频谱感知性能。
Spectrum sensing is one of the key technologies in cognitive radio, and cooperative spectrum sensing can improve the spectrum sensing performance.
因此，页面呈现很容易暂停，从而使用户对门户的感知性能(Perceived Performance)很不满意。
Therefore, page rendering can easily break, and your users can be dissatisfied with your portals' perceived performance.
实验表明，该方法简单、高效、安全性能好，且具有较好的不可感知性，对通常的图像处理及JPEG压缩等具有极好的稳健性。
Experimental results show that the proposed technique has good efficiency, security, imperceptibility, highly good robustness to common image processing operation and the JPEG lossy compression.
实验表明，该方法简单、高效、安全性能好，且具有较好的不可感知性，对通常的图像处理及JPEG压缩等具有极好的稳健性。
Experimental results show that the proposed technique has good efficiency, security, imperceptibility, highly good robustness to common image processing operation and the JPEG lossy compression.
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