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    • 21. 发明授权
    • Method for measuring electronic devices under test with a network
analyzer
    • 用网络分析仪测试被测电子设备的方法
    • US5784299A
    • 1998-07-21
    • US787330
    • 1997-01-28
    • Christian EversDetlef BehrendtJochen SimonUlrich L. Rohde
    • Christian EversDetlef BehrendtJochen SimonUlrich L. Rohde
    • G01D18/00G01R27/28G01R31/26G01R31/28G01R27/42
    • G01R27/28
    • For measuring electronic devices under test with a network analyzer, the electronic devices to be embedded into a linear auxiliary network during their operation, as well as, during the measurement. First, system error correction data is determined for the network analyzer according to a known calibration method by connecting calibration standards. Then, the characteristic data for the auxiliary network to be used is determined and is linked with the system error correction data to form new error correction simulation data. Finally, in the subsequent measurement of devices under test connected to the network analyzer, this error correction simulation data is appropriately considered with the algorithm for system error correction that is present in the network analyzer, so that an auxiliary network virtually connected to the device under test is simulated.
    • 对于使用网络分析仪测试被测电子设备,电子设备在操作期间以及在测量期间将被嵌入到线性辅助网络中。 首先,通过连接校准标准,根据已知的校准方法为网络分析仪确定系统误差校正数据。 然后,确定要使用的辅助网络的特征数据,并与系统纠错数据相关联,形成新的纠错模拟数据。 最后,在随后对连接到网络分析仪的被测器件进行测量时,该误差校正模拟数据适用于网络分析仪中存在的用于系统错误校正的算法,从而将辅助网络虚拟连接到设备下 测试模拟。
    • 22. 发明授权
    • Method and a system for determining the place of origin of passive intermodulation products
    • 用于确定被动互调产品原产地的方法和系统
    • US09391719B2
    • 2016-07-12
    • US13695948
    • 2011-07-29
    • Steffen NeidhardtChristian Evers
    • Steffen NeidhardtChristian Evers
    • G06F19/00H04B17/00
    • H04B17/0085
    • A method for determining the place of origin of a passive intermodulation product excites a distributed device under test with two first excitation signals (x1(t), x2(t), each with a single spectral line, of which the frequencies (f1, f2) provide a frequency spacing relative to one another. Following this, the phase (φIM3Meas) of a first passive intermodulation product generated at the place of origin in the distributed device under test from the first excitation signals ((x1(t), x2(t)) by nonlinear distortion is measured, and the delay time of the first passive intermodulation product from the place of origin to the measuring device is calculated from the measured phase (x1(t), x2(t)) and the frequency (2·f1−f2) of the first passive intermodulation product. Finally, the place of origin of the passive intermodulation product is determined from the delay time and the topology of the distributed device under test.
    • 一种用于确定无源互调产品的原点位置的方法用两个第一激励信号(x1(t),x2(t))激发被测分配器件,每个具有单个频谱线,其频率(f1,f2 之后,在第一个激励信号((x1(t),...,(t))上,在被测分配器件中的原点位置产生的第一无源互调产物的相位(&phgr; IM3Meas) 测量非线性失真的x2(t)),并从测量相位(x1(t),x2(t))和频率(x)(t)计算出从原点到测量装置的第一无源互调乘积的延迟时间 (2·f1-f2),最后根据被测分布式设备的延迟时间和拓扑结构确定被动互调产物的原点。
    • 27. 发明授权
    • Method and a device for extending the illumination of a test object
    • 用于扩展测试对象的照明的方法和装置
    • US09268018B2
    • 2016-02-23
    • US14124815
    • 2011-11-04
    • Sherif AhmedChristian Evers
    • Sherif AhmedChristian Evers
    • G01S13/90G01S13/89G01S13/88G01S7/04G01S7/41G01V8/00
    • G01S13/90G01S7/04G01S7/411G01S13/887G01S13/888G01S13/89G01S13/9035G01V8/005
    • The present disclosure provides a method and a corresponding device for extending the illumination of an object under investigation. The object under investigation is illuminated with an electromagnetic microwave signal which is transmitted from a transmission antenna. The microwave signal reflected from the object under investigation is received by at least one reception antenna. An image of the object under investigation is reconstructed through synthetic focusing of the reflected microwave signal. At least one reflector element is arranged orientated towards the object under investigation and the microwave signals reflected from the reflector element and from the object under investigation are received in a reception antenna and used for the reconstruction of the image of the object under investigation in addition to the microwave rays from a transmission antenna which strike the object under investigation without reflection on the reflector element and are received by the reception antenna without reflection on the reflector element.
    • 本公开提供了一种用于扩展被调查物体的照明的方法和相应的装置。 正在研究的物体用从发射天线发射的电磁微波信号照射。 由被调查对象反射的微波信号由至少一个接收天线接收。 通过反射的微波信号的合成聚焦来重建被研究对象的图像。 至少一个反射器元件被布置成朝着被研究物体定向,并且从反射器元件反射的微波信号和被研究对象的微波信号被接收在接收天线中,并用于重建除被检查物体的图像 来自发射天线的微波射线,不经反射而撞击被研究对象的反射器元件并被接收天线接收而不反射在反射器元件上。
    • 28. 发明申请
    • Forward Coupler with Strip Conductors
    • 带导线的正向耦合器
    • US20120068786A1
    • 2012-03-22
    • US13125487
    • 2010-05-14
    • Ralf JuenemannAlexander BayerMichael FreisslChristian Evers
    • Ralf JuenemannAlexander BayerMichael FreisslChristian Evers
    • H01P5/18
    • H01P5/18
    • A coupler comprises a first line and a second line in each case with two connectors. The lines run in spatial proximity and are coupled. A first connector of the first line and a first connector of the second line are disposed in spatial proximity. A second connector of the first line and a second connector of the second line are disposed in spatial proximity. A signal does not couple or couples only with a high attenuation from the first connector of the first line to the first connector of the second line. The signal is split, in particular, at the design frequency, into largely identical parts to the second connector of the first line and the second connector of the second line. The first line and the second line in this context are strip conductors.
    • 耦合器包括第一线和第二线,每种情况下具有两个连接器。 线路在空间接近并且耦合。 第一线的第一连接器和第二线的第一连接器以空间接近的方式设置。 第一线的第二连接器和第二线的第二连接器以空间接近的方式设置。 一个信号不会从第一条线的第一连接器到第二条线的第一个连接器的耦合或耦合只有很高的衰减。 该信号特别是以设计频率被分裂成与第一线路的第二连接器和第二线路的第二连接器大致相同的部分。 在这种情况下,第一行和第二行是带状导体。