首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >Radar processing gain improvement over frequency using the discretewavelet transform
【24h】

Radar processing gain improvement over frequency using the discretewavelet transform

机译:使用离散小波变换提高雷达处理的频率增益

获取原文
获取原文并翻译 | 示例
           

摘要

The range-gated fast Fourier transform (FFT) is the most common implementation of the optimum receiver for radar signals having random phase, frequency, and arrival time. In practice, the receiver is only optimum for input signals with frequency equal to an FFT bin frequency. Here the discrete wavelet transform (DWT) is applied to the FFT output to recover processing gain (PG) lost for nonoptimum input signals. Since the FFT and FFT-DWT have optimum performance for different input frequencies, these algorithms can be combined by binary integration (BI) to result in a dramatically improved worst case PG over frequency
机译:对于具有随机相位,频率和到达时间的雷达信号,距离门控快速傅立叶变换(FFT)是最佳接收机的最常见实现。实际上,该接收器仅对于频率等于FFT bin频率的输入信号是最佳的。此处,离散小波变换(DWT)应用于FFT输出,以恢复因非最佳输入信号而损失的处理增益(PG)。由于FFT和FFT-DWT在不同的输入频率下具有最佳性能,因此这些算法可以通过二进制积分(BI)进行组合,从而在整个频率范围内显着改善最坏情况下的PG。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号