公开(公告)号：US20100121597A1

公开(公告)日：2010-05-13

申请号：US12596129

申请日：2008-03-25

申请人： Johannes Steffens ,  Markus Freidhof ,  Kurt Schmidt ,  Manfred Mueller

发明人： Johannes Steffens ,  Markus Freidhof ,  Kurt Schmidt ,  Manfred Mueller

IPC分类号： G01R29/00

CPC分类号： G01R31/31725 ,  G01R13/0254 ,  G01R31/31726

摘要： The invention relates to a method and to a switching device (4) and a measurement system (1). In the method according to the invention for determining time differences between measurement signals measured by at least two couple measurement devices (2, 3), a time basis signal is first generated for the measurement devices (2, 3). A common reference signal is further generated by a signal generator (5). The common reference signal is fed to measurement signal inputs (8, 9) of the coupled measuring devices (2, 3) via the switching device (4). A measurement signal is then fed to said measurement signal inputs (8, 9) of the coupled measuring devices (2, 3) and the time position of the measurement signals relative to the reference signal is determined in each of the coupled measuring devices (2, 3). The switching device (4), to this end, has a first measuring device connection (12) and a second measuring device connection (13) connected to the measurement signal inputs (8, 9) of the first measuring device (2) and the second measuring device (3). A reference signal is alternately fed via the measuring device connections (12, 13) of the switching device (4) to the first or the second measuring device (2, 3) by connecting the first measuring device connection (12) to the reference signal input (22) or a first measuring connection (14), or by connecting the second measuring device connection (13) to the reference signal input (22) or the second measuring connection (15).

摘要翻译： 本发明涉及一种方法和开关装置（4）和测量系统（1）。 在根据本发明的用于确定由至少两对测量装置（2,3）测量的测量信号之间的时间差的方法中，首先为测量装置（2,3）生成时基信号。 信号发生器（5）进一步产生公共参考信号。 公共参考信号经由开关装置（4）馈送到耦合测量装置（2,3）的测量信号输入端（8,9）。 然后将测量信号馈送到耦合的测量装置（2,3）的所述测量信号输入端（8,9），并且在每个耦合的测量装置（2）中确定测量信号相对于参考信号的时间位置 ，3）。 为此，开关装置（4）具有连接到第一测量装置（2）的测量信号输入（8,9）的第一测量装置连接（12）和第二测量装置连接（13） 第二测量装置（3）。 通过将第一测量设备连接（12）连接到参考信号，将参考信号经交换设备（4）的测量设备连接（12,13）交替馈送到第一或第二测量设备（2,3） 输入（22）或第一测量连接（14），或者通过将第二测量设备连接（13）连接到参考信号输入（22）或第二测量连接（15）。

公开(公告)号：US09678153B2

公开(公告)日：2017-06-13

申请号：US12596129

申请日：2008-03-25

申请人： Johannes Steffens ,  Markus Freidhof ,  Kurt Schmidt ,  Manfred Mueller

发明人： Johannes Steffens ,  Markus Freidhof ,  Kurt Schmidt ,  Manfred Mueller

IPC分类号： G01R29/00 ,  G01R31/317 ,  G01R13/02

CPC分类号： G01R31/31725 ,  G01R13/0254 ,  G01R31/31726

摘要： The invention relates to a method and to a switching device (4) and a measurement system (1). In the method according to the invention for determining time differences between measurement signals measured by at least two couple measurement devices (2, 3), a time basis signal is first generated for the measurement devices (2, 3). A common reference signal is further generated by a signal generator (5). The common reference signal is fed to measurement signal inputs (8, 9) of the coupled measuring devices (2, 3) via the switching device (4). A measurement signal is then fed to said measurement signal inputs (8, 9) of the coupled measuring devices (2, 3) and the time position of the measurement signals relative to the reference signal is determined in each of the coupled measuring devices (2, 3). The switching device (4), to this end, has a first measuring device connection (12) and a second measuring device connection (13) connected to the measurement signal inputs (8, 9) of the first measuring device (2) and the second measuring device (3). A reference signal is alternately fed via the measuring device connections (12, 13) of the switching device (4) to the first or the second measuring device (2, 3) by connecting the first measuring device connection (12) to the reference signal input (22) or a first measuring connection (14), or by connecting the second measuring device connection (13) to the reference signal input (22) or the second measuring connection (15).

公开(公告)号：US20050242981A1

公开(公告)日：2005-11-03

申请号：US11102957

申请日：2005-04-11

申请人： Kurt Schmidt ,  Markus Freidhof

发明人： Kurt Schmidt ,  Markus Freidhof

IPC分类号： G11B20/10 ,  H03H17/00 ,  H03H17/06 ,  H03M1/00 ,  H03M7/00 ,  H04N1/21 ,  H04Q7/34

CPC分类号： G11B20/10527 ,  G11B2020/10675

摘要： A signal-processing device includes an analog-to-digital converter for the generation of a digital input signal from an analog input signal, an intermediate memory for the intermediate storage of the digital input signal and a digital signal-processing unit for the digital processing of the digital input signal. The signal-processing unit can be switched by means of a switching device in such a manner, that the signal-processing unit is series-connected optionally either to the intermediate memory or, by-passing the intermediate memory, to the analog-to-digital converter.

摘要翻译： 信号处理装置包括用于从模拟输入信号产生数字输入信号的模数转换器，用于数字输入信号的中间存储的中间存储器和用于数字处理的数字信号处理单元 的数字输入信号。 信号处理单元可以通过交换设备以这种方式进行切换，即信号处理单元可选地串联连接到中间存储器，或者旁路中间存储器到模拟 - 数字转换器。

公开(公告)号：US06624765B2

公开(公告)日：2003-09-23

申请号：US10061700

申请日：2002-02-01

申请人： Markus Freidhof ,  Kurt Schmidt

发明人： Markus Freidhof ,  Kurt Schmidt

IPC分类号： H03M700

CPC分类号： H03H17/0288 ,  H03H17/0671 ,  H03M7/00

摘要： A resampler converts a digital input sequence with an input sampling into a digital output signal sequence with an output sampling rate. An estimation device estimates the sampling rate ratio between the input sampling rate and the output sampling rate and the desired phase of the output signal sequence in an observation interval with a predetermined length of N samples of the output signal sequence, the observation intervals overlapping in the ratio 1:6. A control device compares the actual phase of the output signal sequence with the desired phase and, in a manner dependent on the estimated sampling rate ratio and the deviation of the actual phase from the desired phase, generates a control signal for in each case N/6 samples of the output signal sequence. An interpolator interpolates the input signal sequence for the purpose of generating the output signal sequence at sampling instants whose temporal position is predetermined by a control signal.

公开(公告)号：US08228331B2

公开(公告)日：2012-07-24

申请号：US12444475

申请日：2007-09-11

申请人： Kurt Schmidt ,  Markus Freidhof

发明人： Kurt Schmidt ,  Markus Freidhof

IPC分类号： G06T11/20 ,  G09G5/22 ,  G01R13/00

CPC分类号： G01R13/029

摘要： A method for displaying ordinate-abscissa value pairs on a display device with discrete display points in the abscissa and ordinate direction, of which the abscissa resolution is reduced by comparison with the abscissa resolution of the ordinate-abscissa value pairs, determines the respective maximum and minimum ordinate value of every ordinate-abscissa value pair, which is disposed within the half spacing distance of the abscissa value relative to the adjacent abscissa value to the right and left of the display points, and replaces all ordinate-abscissa value pairs, which are disposed within the half spacing distance of the respective abscissa value relative to the respective adjacent abscissa value to the right and left of the display points, with an area between the maximum and the minimum ordinate value and the half spacing distance of the abscissa value relative to the adjacent abscissa value to the right and left of the display points.

摘要翻译： 在横坐标方向上具有离散显示点的显示装置上显示纵坐标值对的方法，其横坐标分辨率与横坐标值对的横坐标分辨率相比减小，确定相应的最大值和 每个纵坐标值对的最小纵坐标值被设置在横坐标值相对于相邻横坐标值的左半部分的间隔距离内的右侧和左侧，并且替换所有纵坐标值对， 相对于相对于相邻的横坐标值相对于显示点的左右的相应横坐标值的半间隔距离中的最大和最小纵坐标值之间的区域以及横坐标值相对于 相邻的横坐标值显示在右侧和左侧。

公开(公告)号：US20100013834A1

公开(公告)日：2010-01-21

申请号：US12444475

申请日：2007-09-11

申请人： Kurt Schmidt ,  Markus Freidhof

发明人： Kurt Schmidt ,  Markus Freidhof

IPC分类号： G06T11/20

CPC分类号： G01R13/029

摘要： A method for displaying ordinate-abscissa value pairs on a display device with discrete display points in the abscissa and ordinate direction, of which the abscissa resolution is reduced by comparison with the abscissa resolution of the ordinate-abscissa value pairs, determines the respective maximum and minimum ordinate value of every ordinate-abscissa value pair, which is disposed within the half spacing distance of the abscissa value relative to the adjacent abscissa value to the right and left of the display points, and replaces all ordinate-abscissa value pairs, which are disposed within the half spacing distance of the respective abscissa value relative to the respective adjacent abscissa value to the right and left of the display points, with an area between the maximum and the minimum ordinate value and the half spacing distance of the abscissa value relative to the adjacent abscissa value to the right and left of the display points.

摘要翻译： 在横坐标方向上具有离散显示点的显示装置上显示纵坐标值对的方法，其横坐标分辨率与横坐标值对的横坐标分辨率相比减小，确定相应的最大值和 每个纵坐标值对的最小纵坐标值被设置在横坐标值相对于相邻横坐标值的左半部分的间隔距离内的右侧和左侧，并且替换所有纵坐标值对， 相对于相对于相邻的横坐标值相对于显示点的左右的相应横坐标值的半间隔距离中的最大和最小纵坐标值之间的区域以及横坐标值相对于 相邻的横坐标值显示在右侧和左侧。

公开(公告)号：US06965242B2

公开(公告)日：2005-11-15

申请号：US10607751

申请日：2003-06-27

申请人： Hermann Boss ,  Kurt Schmidt ,  Markus Freidhof

发明人： Hermann Boss ,  Kurt Schmidt ,  Markus Freidhof

IPC分类号： G01R29/26

CPC分类号： G01R29/26

摘要： An apparatus for the determination of the magnitude of a noise (TDUT) of an electronic object to be measured (2) includes a sine signal source (1), which generates a sine signal (Sin) for input into said object to be measured (2) and a level meter (3) for the measurement of a power level at the output of the said object to be measured (2). In accord with the invention, the level meter (3) possesses a sine power detector device (31) for the capture of a sine power level ({circumflex over (P)}sin) and has a noise power level detector device (32) for a separate capture of a noise power level ({circumflex over (P)}noise).

摘要翻译： 一种用于确定要测量的电子对象（2）的噪声（T DUT）的大小的装置包括正弦信号源（1），其产生正弦信号（S _）。

公开(公告)号：US06947508B2

公开(公告)日：2005-09-20

申请号：US09928402

申请日：2001-08-14

申请人： Markus Freidhof ,  Kurt Schmidt

发明人： Markus Freidhof ,  Kurt Schmidt

IPC分类号： G01R23/12 ,  G01R23/02 ,  G01R25/00 ,  H03H17/00 ,  H03H17/02 ,  H04B1/10

CPC分类号： H03H17/0223 ,  G01R23/02 ,  G01R25/00 ,  H03H17/0286 ,  H03H17/0671

摘要： An apparatus and method for estimating a frequency and/or a phase of a digital input signal by determining phase values of the input signal. The phase values are then added over a predetermined summation length N/B. The sampling rate of the added-up phase values are reduced by a factor N/B in comparison with the sampling rate of the phase values. The added-up phase values are delayed in a chain of at least B−1 delay elements. The differently-delayed added-up phase values are then added or subtracted to create a resulting. pulse response of the frequency such that the resulting pulse response of the frequency is constant positive in a first interval, is zero in a second interval and is constant negative in a third interval, so that a resulting pulse response of the phase is constant in at least a middle interval or is otherwise zero.

摘要翻译： 一种用于通过确定输入信号的相位值来估计数字输入信号的频率和/或相位的装置和方法。 然后在预定的求和长度N / B上加上相位值。 与相位值的采样率相比，相加值的采样率降低了因子N / B。 相加的相位值在至少B-1个延迟元件的链中被延迟。 然后将不同延迟的加法相位值相加或减去以产生结果。 频率的脉冲响应使得所得到的频率的脉冲响应在第一间隔中恒定为正，在第二间隔中为零，并且在第三间隔中恒定为负，使得所得到的相位的脉冲响应在 最小中间间隔，否则为零。

公开(公告)号：US07359469B2

公开(公告)日：2008-04-15

申请号：US10761136

申请日：2004-01-20

申请人： Stephan Neumann ,  Kurt Schmidt ,  Markus Freidhof

发明人： Stephan Neumann ,  Kurt Schmidt ,  Markus Freidhof

IPC分类号： H04L7/00

CPC分类号： H03H17/0275 ,  H03H17/0027 ,  H03K5/13

摘要： A signal delaying device (1) for the dynamic delaying of a digitally sampled input signal comprises a memory element (2) and a series-connected interpolation element (3). According to the invention, a register (30), which can be connected to the output side of the interpolation element (3), is arranged in parallel to the memory element (2) for intermediate storage of at least one sampled value (Sin(k)) of the input signal.

摘要翻译： 用于动态延迟数字采样输入信号的信号延迟装置（1）包括存储元件（2）和串联连接的插值元件（3）。 根据本发明，可以连接到插值元件（3）的输出侧的寄存器（30）被布置成与存储元件（2）并联，用于中间存储至少一个采样值（S < SUB（k））的输入信号。

公开(公告)号：US06559781B2

公开(公告)日：2003-05-06

申请号：US10045161

申请日：2002-01-15

申请人： Markus Freidhof ,  Kurt Schmidt

发明人： Markus Freidhof ,  Kurt Schmidt

IPC分类号： H03M700

CPC分类号： H03H17/0288 ,  H03H17/0671

摘要： A resampler (1) is used to convert a digital input signal string (Sin) with an input sampling rate (fin) into a digital output signal string (Sout) with an output sampling rate (fout). An estimating unit (11) estimates a sampling rate ratio (Rk) between the input sampling rate (fin) and the output sampling rate (fout) and a setpoint phase of the output signal string (Sout). A regulating unit (12) compares an actual phase of the output signal string (Sout) to the setpoint phase, and generates a control signal (RTC,k) as a function of the estimated sampling rate ratio (Rk) and a deviation of the actual phase from the setpoint phase. An interpolator (7) interpolates the input signal string (Sin) for producing the output signal string (Sout) at sampling times whose temporal position is determined by the control signal (RTC,k).