公开(公告)号：US08130880B1

公开(公告)日：2012-03-06

申请号：US11957391

申请日：2007-12-14

申请人： Deepnarayan Gupta

发明人： Deepnarayan Gupta

IPC分类号： H04B1/10

CPC分类号： H04B1/123 ,  H04B1/0028 ,  H04B1/109 ,  H04B1/38 ,  H04L27/2649

摘要： A method for reducing interference, comprising receiving a wideband signal, having at least one large amplitude component; adaptively modifying the wideband signal with respect to at least one high intensity component without substantial introduction of non-linear distortion, while reducing a residual dynamic range thereof; digitizing the modified wideband signal to capture information describing at least the high intensity signal at a sampling rate sufficient to extract modulated information present within the wideband signal at an upper limit of the band. The system analyzes a spectral characteristic of the wideband signal; and extracts adaptation parameters for the adaptive filtering. The system therefore provides both large net dynamic range and wideband operation. Preferably, the digitizer and filter, and part of the spectral characteristic analyzer is implemented in using superconducting circuit technology, with, for example low temperature superconducting digital signal processing components, and high temperature superconducting analog filtering components.

摘要翻译： 一种用于减少干扰的方法，包括接收具有至少一个大振幅分量的宽带信号; 相对于至少一个高强度分量自适应地修改宽带信号，而不会实质上引入非线性失真，同时减少其残留动态范围; 将经修改的宽带信号数字化以捕获至少描述至少高强度信号的信息，该信号的采样速率足以在频带的上限处提取存在于宽带信号内的调制信息。 该系统分析了宽带信号的频谱特性; 并提取自适应滤波的适应参数。 因此，该系统提供大的净动态范围和宽带操作。 优选地，使用超导电路技术（例如低温超导数字信号处理部件）和高温超导模拟滤波部件来实现数字转换器和滤波器以及频谱特性分析器的一部分。