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利用高阶谱进行系统辨识，估计得到点扩散函数，然后再进行傅域或小波域的解卷处理。由此得到的超声图像，分辨率大大提高了。-System identification using higher order spectrum, is estimated to be the point spread function, and then for Fu domain or wavelet domain deconvolution processing. The resulting ultrasound im
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高阶统计分析,关于高阶普计算的非常详尽的示例,包括功率谱和双普的详细推到过程-High-level statistical analysis, a very detailed example of the high-end S & P, including the power spectrum and dual universal push to the process
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Accurate Blind Spectrum Sensing Based on High Order Statistical Analysis in Cognitive Radio System
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Application of spread spectrum for satellite land mobile systems is difficult in satellite link because of synchronization and
providing code or considerable Doppler shift. This is particularly high for LEO satellites. So that, a Doppler shift carr
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The digital wideband receiver is a critical component in modern digital receivers. The receiver has the capability to expose and distinguish adverse signals contained within a large bandwidth (on the order of 1 GHz or more) of the radio frequency (RF
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MIMO（多输入，多输出系统）的无线通信的智能天线技术的基础上发展起来的，它的主要特征是一个通信系统的使用多个天线配置来解决移动通信系统的发送和接收端 –以此来解决未来移动通信系统大容量高速率传输和日益紧张的频谱资源间的矛盾。和智能天线技术不同于系统在MIMO无线信道的发射天线，从任何到接收天线间的无线信道是相互独立或有很小的相关性。-Developed on the basis of smart antenna technology MIMO (multiple-input, multiple
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针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK)，对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析，提出了一种联合特征参数的信号调制识别方法．(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QA
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