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1. 发明授权

US09562951B2 Digital Frequency response analysis system and method useful for power supplies 有权
标题翻译：用于电源的数字频率响应分析系统和方法
公开(公告)号：US09562951B2
公开(公告)日：2017-02-07
申请号：US14614158
申请日：2015-02-04
申请人： Manfred Trent , Michael Gray
发明人： Manfred Trent , Michael Gray
IPC分类号： G01R31/40 , G01R23/16
CPC分类号： G01R31/40 , G01R23/16
摘要： A frequency response analyzer includes a signal generator, a reference channel module, and a digital frequency response analyzer. The signal generator includes an input, a first output to provide an output signal to a unit under test, and a second output to provide a first synchronization signal. The reference channel module includes an input coupled to the first output of the signal generator, and an output to provide phase information data of the output signal. The digital frequency response analyzer includes a first input to receive the first synchronization signal, and a second input to receive digitized analog data from the unit under test. A processor of the frequency response analyzer correlates received digitized analog data to received analog data based on the phase, and determines a transfer function of the plant of the unit under test based on the correlation of received digitized analog data and received analog data.
摘要翻译：频率响应分析器包括信号发生器，参考通道模块和数字频率响应分析器。信号发生器包括一个输入端，一个向被测单元提供输出信号的第一输出端和一个提供第一同步信号的第二输出端。参考通道模块包括耦合到信号发生器的第一输出端的输入端和用于提供输出信号的相位信息数据的输出端。数字频率响应分析器包括用于接收第一同步信号的第一输入端和从被测单元接收数字化模拟数据的第二输入端。频率响应分析器的处理器基于相位将接收到的数字化模拟数据与接收到的模拟数据相关，并且基于接收的数字化模拟数据和接收的模拟数据的相关性来确定被测单元的工厂的传递函数。

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