公开(公告)号：US20120245901A1

公开(公告)日：2012-09-27

申请号：US13414487

申请日：2012-03-07

申请人： A. Martin Mallinson ,  Hu Jing Yao ,  Dustin Forman

发明人： A. Martin Mallinson ,  Hu Jing Yao ,  Dustin Forman

IPC分类号： G06F17/50 ,  H03K5/1536

CPC分类号： G06F17/5009 ,  H03H15/02 ,  H03K5/15 ,  H03K5/1536

摘要： A method and system for designing and implementing a finite impulse response (FIR) filter to create a plurality of output signals, each output signal having the same frequency but at a different phase shift from the other output(s), is described. Values are determined for the resistors, or other elements having impedance values, in a FIR filter having a plurality of outputs, such that each output has the same frequency response but a different phase than the other output(s). This is accomplished by the inclusion of a phase factor in the time domain calculation of the resistor values that does not change the response in the frequency domain. The phase shift is constant and independent of the frequency of the output signal.

摘要翻译： 描述了一种用于设计和实现有限脉冲响应（FIR）滤波器以产生多个输出信号的方法和系统，每个输出信号具有相同的频率但与另一个输出具有不同的相移。 在具有多个输出的FIR滤波器中，确定具有阻抗值的电阻器或其他元件的值，使得每个输出具有与其它输出相同的频率响应但不同的相位。 这是通过在不改变频域响应的电阻值的时域计算中包括相位因子来实现的。 相移是恒定的，与输出信号的频率无关。

公开(公告)号：US09287851B2

公开(公告)日：2016-03-15

申请号：US13414487

申请日：2012-03-07

申请人： A. Martin Mallinson ,  Hu Jing Yao ,  Dustin Forman

发明人： A. Martin Mallinson ,  Hu Jing Yao ,  Dustin Forman

IPC分类号： G06F17/50 ,  H03H15/02

CPC分类号： G06F17/5009 ,  H03H15/02 ,  H03K5/15 ,  H03K5/1536

摘要： A method and system for designing and implementing a finite impulse response (FIR) filter to create a plurality of output signals, each output signal having the same frequency but at a different phase shift from the other output(s), is described. Values are determined for the resistors, or other elements having impedance values, in a FIR filter having a plurality of outputs, such that each output has the same frequency response but a different phase than the other output(s). This is accomplished by the inclusion of a phase factor in the time domain calculation of the resistor values that does not change the response in the frequency domain. The phase shift is constant and independent of the frequency of the output signal.

摘要翻译： 描述了一种用于设计和实现有限脉冲响应（FIR）滤波器以产生多个输出信号的方法和系统，每个输出信号具有相同的频率但与另一个输出具有不同的相移。 在具有多个输出的FIR滤波器中，确定具有阻抗值的电阻器或其他元件的值，使得每个输出具有与其它输出相同的频率响应但不同的相位。 这是通过在不改变频域响应的电阻值的时域计算中包括相位因子来实现的。 相移是恒定的，与输出信号的频率无关。