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    • 11. 发明授权
    • Enhanced target detection using dispersive vs non-dispersive scatterer signal processing
    • 使用色散与非分散散射体信号处理的增强目标检测
    • US08816899B2
    • 2014-08-26
    • US13374998
    • 2012-01-26
    • Theagenis J. AbatzoglouKenneth HoLeo H. Hui
    • Theagenis J. AbatzoglouKenneth HoLeo H. Hui
    • G01S7/41G01S13/524
    • G01S7/415G01S13/5244
    • A method of target discrimination and identification, on a computer including a processing unit and a non-volatile storage device, from a radar signal having a plurality of radar return signals, is presented. The method includes: modeling, on the computer, the radar return signals by linear prediction to produce linear prediction equations; solving, on the computer, the linear prediction equations by the Burg algorithm to produce linear prediction coefficients for a linear prediction coefficient polynomial; computing, on the computer, roots of the linear prediction coefficient polynomial to produce scattering modes; computing, on the computer, a distance of each of the scattering modes to a unit circle; computing, on the computer, a complex envelope for each mode of the scattering modes; and selecting, on the computer, target scattering modes from among the scattering modes based on the distance of the mode to the unit circle and the complex envelope of the mode.
    • 提出了一种从具有多个雷达返回信号的雷达信号中对包括处理单元和非易失性存储装置的计算机进行目标识别和识别的方法。 该方法包括:通过线性预测在计算机上对雷达返回信号进行建模,以产生线性预测方程; 在计算机上通过Burg算法求解线性预测方程,以产生线性预测系数多项式的线性预测系数; 在计算机上计算线性预测系数多项式的根,产生散射模式; 在计算机上计算每个散射模式到单位圆的距离; 在计算机上计算每种散射模式的复合包络; 并且在计算机上根据模式与单位圆的距离和模式的复合包络在散射模式之中选择目标散射模式。
    • 16. 发明申请
    • Enhanced target detection using dispersive vs non-dispersive scatterer signal processing
    • 使用色散与非分散散射体信号处理的增强目标检测
    • US20130194130A1
    • 2013-08-01
    • US13374998
    • 2012-01-26
    • Theagenis J. AbatzoglouKenneth HoLeo H. Hui
    • Theagenis J. AbatzoglouKenneth HoLeo H. Hui
    • G01S13/04
    • G01S7/415G01S13/5244
    • A method of target discrimination and identification, on a computer including a processing unit and a non-volatile storage device, from a radar signal having a plurality of radar return signals, is presented. The method includes: modeling, on the computer, the radar return signals by linear prediction to produce linear prediction equations; solving, on the computer, the linear prediction equations by the Burg algorithm to produce linear prediction coefficients for a linear prediction coefficient polynomial; computing, on the computer, roots of the linear prediction coefficient polynomial to produce scattering modes; computing, on the computer, a distance of each of the scattering modes to a unit circle; computing, on the computer, a complex envelope for each mode of the scattering modes; and selecting, on the computer, target scattering modes from among the scattering modes based on the distance of the mode to the unit circle and the complex envelope of the mode.
    • 提出了一种从具有多个雷达返回信号的雷达信号中对包括处理单元和非易失性存储装置的计算机进行目标识别和识别的方法。 该方法包括:通过线性预测在计算机上对雷达返回信号进行建模,以产生线性预测方程; 在计算机上通过Burg算法求解线性预测方程,以产生线性预测系数多项式的线性预测系数; 在计算机上计算线性预测系数多项式的根,产生散射模式; 在计算机上计算每个散射模式到单位圆的距离; 在计算机上计算每种散射模式的复合包络; 并且在计算机上根据模式与单位圆的距离和模式的复合包络在散射模式之中选择目标散射模式。
    • 20. 发明授权
    • Method and apparatus for gate current compensation
    • 栅极电流补偿的方法和装置
    • US06696881B1
    • 2004-02-24
    • US10358500
    • 2003-02-04
    • Kenneth Ho
    • Kenneth Ho
    • H03K17687
    • G05F3/262
    • A method and apparatus for compensating for gate current through a first capacitor includes: a biasing circuit; a first compensation transistor; a second compensation transistor; and a compensation capacitor. The biasing circuit ensures the bias voltage across the compensation capacitor is equal to the bias voltage across the first capacitor. In addition, the size of the second compensation transistor is chosen such that if, the ratio of the area of the compensation capacitor divided by the area of the first capacitor is area ratio “AR”, then, the ratio of the size of first compensation transistor divided by the size of second compensation transistor is also area ratio “AR”. As a result, according to the method and apparatus of the present invention, the gate current Ig through the first capacitor is equal to the current drained off through second compensation transistor.
    • 用于补偿通过第一电容器的栅极电流的方法和装置包括:偏置电路; 第一补偿晶体管; 第二补偿晶体管; 和补偿电容器。 偏置电路确保补偿电容器两端的偏置电压等于第一电容器两端的偏置电压。 此外,选择第二补偿晶体管的尺寸,使得如果补偿电容器的面积除以第一电容器的面积的比率是面积比“AR”,则第一补偿器的尺寸的比率 晶体管除以第二补偿晶体管的大小也是面积比“AR”。 结果,根据本发明的方法和装置,通过第一电容器的栅极电流Ig等于通过第二补偿晶体管排出的电流。