发明名称 Apparatus and method for producing or reproducing a complex waveform over a wide frequency range while minimizing degradation and number of discrete emitters
摘要 An apparatus and method for signal emitters determining and using a reduced number of discrete frequency transmitters based on frequency segmentation and degradation analysis of a candidate filter configuration compared to an original waveform input signal for acceptability determination in view of desired system parameters. A method that configures a device to produce a complex waveform over a desired range of frequencies is provided. Configuring a device can include filtering to reduce a number of frequencies which in turn is used to reduce signal emitters and configuring resulting reduced signal emitters includes producing a desired complex waveform over a desired range of frequencies.
申请公布号 US9001864(B2) 申请公布日期 2015.04.07
申请号 US201314052238 申请日期 2013.10.11
申请人 The United States of America as represented by the Secretary of the Navy 发明人 Whitaker George
分类号 H04B1/69;H04L27/00 主分类号 H04B1/69
代理机构 代理人 Monsey Christopher A.
主权项 1. A signal emitter comprising: a plurality of wave signal emitters configured to emit a final output filtered waveform at a plurality of discrete frequencies; a control system coupled to and adapted to control said plurality of wave signal emitters comprising a signal processor and a storage medium configured to determine said final output filtered waveform over a desired range of frequencies associated with said plurality of wave signal emitters; said control system configured to perform wavelet transforms to generate candidate solutions from which said final output filtered waveform is selected, wherein said final output filtered waveform selection is made in part by said control system based on filtering control processing comprising frequency segmentation; wherein said filtering control processing comprises: a first determination of a size of a wavelet transform based on determining a sampling rate;a second determination based on multiple filtered complex waveform comparisons based on frequency bin analysis, reduction of frequency bins for each different multiple filtered complex waveform, and comparison of differences between a first input waveform and each of said multiple filtered complex waveforms;wherein said control system selects said final output filtered waveform by selecting from one of said multiple filtered complex waveforms which have a least amount of differences in a predetermined frequency range; andwherein said selected final output filtered waveform has a plurality of final frequency bins, output of said plurality of final frequency bins are respectively output to each of said plurality of wave signal emitters.
地址 Washington DC US