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公开(公告)号：US20090052556A1
公开(公告)日：2009-02-26
申请号：US11844254
申请日：2007-08-23
申请人： Andrew D. Fernandez
发明人： Andrew D. Fernandez
CPC分类号： H03M1/662
摘要： Wideband signal generation systems and methods are provided which employ frequency interleaving for generating wideband signals. A general method increases a digitally synthesized signal's bandwidth by frequency interleaving multiple digitally synthesized signal sources of narrower bandwidth. Frequency interleaving creates a continuous wideband signal by summing multiple narrower band signals that overlap in frequency. According to certain embodiments, digital signal processing (DSP) and analog mixing are used to create the multiple narrower band signals such that a high fidelity, continuous wideband signal is produced when the multiple narrower band signals are summed.
摘要翻译： 提供了宽带信号发生系统和方法，其采用频率交织来产生宽带信号。 一般方法通过频率交织多个窄带宽的数字合成信号源来增加数字合成信号的带宽。 频率交织通过对频率重叠的多个窄带信号进行求和来创建连续宽带信号。 根据某些实施例，使用数字信号处理（DSP）和模拟混合来产生多个较窄频带信号，使得当多个较窄频带信号相加时，产生高保真连续宽带信号。
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2.发明授权公开(公告)号：US07148828B2
公开(公告)日：2006-12-12
申请号：US11120698
申请日：2005-05-03
IPC分类号： H03M1/10
CPC分类号： H03M1/10 , H03M1/1205 , H03M1/662
摘要： A method for calibrating time interleaved samplers comprising applying a calibration signal to a time-interleaved sampling device, wherein the signal is coherent with at least one sample clock on the device and is periodic and has a predetermined spectral content and frequency, sampling, by said time-interleaved sampling device, the calibration signal at a plurality of phases to form samples, averaging the formed samples, and calculating the phase error of each sample based on the average calibration signal sample.
摘要翻译： 一种用于校准时间交织采样器的方法，包括将校准信号施加到时间交织的采样设备，其中所述信号与所述设备上的至少一个采样时钟相干，并且是周期性的并且具有预定的频谱含量和频率，由所述 时间交织采样装置，多个相位的校准信号，以形成样本，对所形成的样本进行平均，以及基于平均校准信号样本计算每个样本的相位误差。
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3.发明授权公开(公告)号：US10578704B1
公开(公告)日：2020-03-03
申请号：US12533331
申请日：2009-07-31
摘要： A method and system determine a location of a signal emitter. A plurality of sensors each receives a signal transmitted by the signal emitter. One of the received signals is processed to produce a template describing an estimate of the signal transmitted by the signal emitter. The template is cross-correlated with at least some of the signals received at the sensors. At least one cross-correlation feature is identified from each cross-correlation and the cross-correlation features are used to determine the location of the signal emitter.
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4.发明授权Method and apparatus for producing a linearized amplified continuous wave (CW) signal 失效用于产生线性化放大连续波（CW）信号的方法和装置公开(公告)号：US07671772B2
公开(公告)日：2010-03-02
申请号：US11904726
申请日：2007-09-28
IPC分类号： H03M1/00
CPC分类号： G06F1/022 , G06F1/0335
摘要： In one embodiment, at least one parameter set for at least one harmonic of a continuous wave (CW) signal is digitally generated in response to a parameter set for the CW signal. In response to the parameter set for the CW signal, the CW signal is synthesized; and in response to the at least one parameter set for the at least one harmonic of the CW signal, at least one nulling tone is synthesized. The CW signal and the at least one nulling tone are amplified; and the amplified CW signal and the at least one amplified nulling tone are summed to produce a linearized amplified CW signal. Other embodiments are also described.
摘要翻译： 在一个实施例中，对于连续波（CW）信号的至少一个谐波的至少一个参数集合响应于为CW信号设置的参数被数字地生成。 响应于CW信号的参数设置，CW信号被合成; 并且响应于针对所述CW信号的所述至少一个谐波设置的所述至少一个参数，合成至少一个归零音。 CW信号和至少一个归零音被放大; 并且将放大的CW信号和至少一个放大的归零音调相加以产生线性化的放大CW信号。 还描述了其它实施例。
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5.发明申请Method and apparatus for producing a linearized amplified continuous wave (CW) signal 失效用于产生线性化放大连续波（CW）信号的方法和装置公开(公告)号：US20090088872A1
公开(公告)日：2009-04-02
申请号：US11904726
申请日：2007-09-28
IPC分类号： G05B13/02
CPC分类号： G06F1/022 , G06F1/0335
摘要： In one embodiment, at least one parameter set for at least one harmonic of a continuous wave (CW) signal is digitally generated in response to a parameter set for the CW signal. In response to the parameter set for the CW signal, the CW signal is synthesized; and in response to the at least one parameter set for the at least one harmonic of the CW signal, at least one nulling tone is synthesized. The CW signal and the at least one nulling tone are amplified; and the amplified CW signal and the at least one amplified nulling tone are summed to produce a linearized amplified CW signal. Other embodiments are also described.
摘要翻译： 在一个实施例中，对于连续波（CW）信号的至少一个谐波的至少一个参数集合响应于为CW信号设置的参数被数字地生成。 响应于CW信号的参数设置，CW信号被合成; 并且响应于针对所述CW信号的所述至少一个谐波设置的所述至少一个参数，合成至少一个归零音。 CW信号和至少一个归零音被放大; 并且将放大的CW信号和至少一个放大的归零音调相加以产生线性化的放大CW信号。 还描述了其它实施例。
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公开(公告)号：US20090058521A1
公开(公告)日：2009-03-05
申请号：US11848861
申请日：2007-08-31
申请人： Andrew D. Fernandez
发明人： Andrew D. Fernandez
IPC分类号： H03F1/26
CPC分类号： H03F1/32 , H03F1/3258 , H03F2201/3209
摘要： A method, apparatus, and computer program product to reduce nonlinear signal distortion of a primary signal within an electronic device is provided. An example method includes the steps of: applying at least one stimulus signal to excite distortion; analyzing nonlinear effects in the distorted stimulus signal; modeling distortion as a function of the stimulus signal; and creating a correction signal using the distortion model and the primary signal.
摘要翻译： 提供了减少电子设备内的主信号的非线性信号失真的方法，装置和计算机程序产品。 示例性方法包括以下步骤：施加至少一个刺激信号以激发失真; 分析失真刺激信号中的非线性效应; 模拟失真作为刺激信号的函数; 以及使用失真模型和主信号产生校正信号。
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