DEVICE AND METHOD FOR THE IMPROVED DIRECTIONAL ESTIMATION AND DECODING BY MEANS OF SECONDARY RADAR SIGNALS
    1.
    发明申请
    DEVICE AND METHOD FOR THE IMPROVED DIRECTIONAL ESTIMATION AND DECODING BY MEANS OF SECONDARY RADAR SIGNALS 有权
    通过二次雷达信号改进方向估计和解码的设备和方法

    公开(公告)号:US20110001659A1

    公开(公告)日:2011-01-06

    申请号:US12918836

    申请日:2009-02-25

    CPC分类号: G01S13/781 G01S3/74

    摘要: 1. A device and a method for the improved directional estimation and decoding by means of secondary radar signals. 2.1 Radio-based positioning systems on the basis of secondary radar signals are known. For this purpose special receiver systems are utilized for estimating the direction, and special receiver systems are utilized for decoding secondary radar signals. In particular, a secondary radar system is absent, which, among others, takes into consideration any shortcomings of the hardware used, such as coupled antenna elements, different low-end impedances, deviating distances between the antenna elements, manufacturing and installation tolerances, and the like. 2.2 The device for directional estimation and/or decoding secondary radar signals according to the invention comprises the following: —at least one array A comprising M antenna elements AE—an amplifier LNA and bandpass filter F1 combination connected to a plug-in connector S of the respective antenna element AE, at the filter output of said combination a first linear amplifier V1 being connected for amplifying the band-limited signal, —a mixer M connected to the first linear amplifier V1 for the frequency conversion into a ZF region, —a second linear amplifier V2 and bandpass filter F2 combination connected to the mixer output for amplifying and limiting the bandwidth of the signal in the ZF region, —a first analog-to-digital converter AD1 connected to the second bandpass filter F2 for scanning and quantifying the filter output signal, —a configurable signal processor FPGA/DSP connected to the first analog-to-digital converter AD1, said processor being connected to a PLL-VCO circuit for controlling the mixer frequency and receiving the data for processing, and—a

    摘要翻译: 1.一种通过二次雷达信号改进方向估计和解码的装置和方法。 2.1基于二次雷达信号的无线电定位系统是已知的。 为此,特殊的接收机系统用于估计方向,特殊的接收机系统用于解码次级雷达信号。 特别地,不存在二次雷达系统,其中考虑到所使用的硬件的任何缺点,例如耦合的天线元件,不同的低端阻抗,天线元件之间的偏离距离,制造和安装公差以及 类似。 2.2根据本发明的用于方向估计和/或解码次级雷达信号的装置包括以下: - 包括M个天线元件AE的至少一个阵列A - 连接到插入式连接器S的放大器LNA和带通滤波器F1组合 相应的天线元件AE在所述组合的滤波器输出处连接用于放大带限信号的第一线性放大器V1,连接到用于频率转换为ZF区域的第一线性放大器V1的混频器M,a 连接到混频器输出的第二线性放大器V2和带通滤波器F2组合,用于放大和限制ZF区域中的信号的带宽, - 连接到第二带通滤波器F2的第一模数转换器AD1,用于扫描和量化 滤波器输出信号, - 可配置信号处理器FPGA / DSP连接到第一模数转换器AD1,所述处理器连接到PLL-VC O电路,用于控制混频器频率并接收数据进行处理,以及-a

    Device and method for the improved directional estimation and decoding by means of secondary radar signals
    2.
    发明授权
    Device and method for the improved directional estimation and decoding by means of secondary radar signals 有权
    通过二次雷达信号改进方向估计和解码的装置和方法

    公开(公告)号:US08253622B2

    公开(公告)日:2012-08-28

    申请号:US12918836

    申请日:2009-02-25

    IPC分类号: G01S13/00

    CPC分类号: G01S13/781 G01S3/74

    摘要: A device and a method for the improved directional estimation and decoding by means of secondary radar signals. The device includes: at least one array of antenna elements; a low noise first amplifier and bandpass filter combination connected to a plug-in connector S of the respective antenna elements; a first linear amplifier being connected at a filter output of said combination for amplifying the band-limited signal; a mixer connected to the first linear amplifier for the frequency conversion into a ZF region; a second linear amplifier and bandpass filter combination connected to the mixer output for amplifying and limiting the bandwidth of the signal in the ZF region; a first analog-to-digital converter connected to the second bandpass filter; a configurable signal processor connected to the first analog-to-digital converter; and a processing unit connected to the configurable signal processors.

    摘要翻译: 一种通过二次雷达信号改进方向估计和解码的装置和方法。 该装置包括:至少一个天线元件阵列; 连接到相应天线元件的插入式连接器S的低噪声第一放大器和带通滤波器组合; 第一线性放大器连接在所述组合的滤波器输出端,用于放大带限信号; 连接到第一线性放大器的混频器用于频率转换成ZF区域; 连接到混频器输出的第二线性放大器和带通滤波器组合,用于放大和限制ZF区域中的信号的带宽; 连接到所述第二带通滤波器的第一模数转换器; 连接到第一模数转换器的可配置信号处理器; 以及连接到可配置信号处理器的处理单元。

    Reconfigurable bandpass filter based on a planar combline filter comprising varactor diodes
    3.
    发明授权
    Reconfigurable bandpass filter based on a planar combline filter comprising varactor diodes 有权
    基于包括变容二极管的平面梳状滤波器的可重构带通滤波器

    公开(公告)号:US09160045B2

    公开(公告)日:2015-10-13

    申请号:US13418935

    申请日:2012-03-13

    IPC分类号: H01P1/203 H01P7/08

    摘要: A reconfigurable bandpass filter including at least a tunable planar combline filter including varactor diodes arranged on a carrier board. For automatic calibration of adjustment of blocking voltage during operation, the reconfigurable bandpass filter includes a filter control offering an external abstracted interface. A memory is connected with the filter control. The memory stores calibration data. For approximating of the best possible filter characteristic, the filter control determines, based on memorized data, the best configuration of tuning voltages.The reconfigurable bandpass filter can be used in the field of secondary radar systems.

    摘要翻译: 一种可重构带通滤波器,包括至少一个可调谐平面梳状滤波器,其包括布置在载体板上的变容二极管。 为了自动校准操作期间阻塞电压的调整,可重构带通滤波器包括提供外部抽象接口的滤波器控制。 存储器与滤波器控制相连。 存储器存储校准数据。 为了逼近最佳滤波特性,滤波器控制基于存储的数据确定调谐电压的最佳配置。 可重构带通滤波器可用于二次雷达系统领域。

    RECONFIGURABLE BANDPASS FILTER BASED ON A PLANAR COMBLINE FILTER COMPRISING VARACTOR DIODES
    4.
    发明申请
    RECONFIGURABLE BANDPASS FILTER BASED ON A PLANAR COMBLINE FILTER COMPRISING VARACTOR DIODES 有权
    基于包含变送器二极管的平面滤波器的可重新组合滤波器

    公开(公告)号:US20130063228A1

    公开(公告)日:2013-03-14

    申请号:US13418935

    申请日:2012-03-13

    IPC分类号: H01P1/203

    摘要: A reconfigurable bandpass filter including at least a tunable planar combline filter including varactor diodes arranged on a carrier board. For automatic calibration of adjustment of blocking voltage during operation, the reconfigurable bandpass filter includes a filter control offering an external abstracted interface. A memory is connected with the filter control. The memory stores calibration data. For approximating of the best possible filter characteristic, the filter control determines, based on memorized data, the best configuration of tuning voltages.The reconfigurable bandpass filter can be used in the field of secondary radar systems.

    摘要翻译: 一种可重构带通滤波器,包括至少一个可调谐平面梳状滤波器,其包括布置在载体板上的变容二极管。 为了自动校准操作期间阻塞电压的调整,可重构带通滤波器包括提供外部抽象接口的滤波器控制。 存储器与滤波器控制相连。 存储器存储校准数据。 为了逼近最佳滤波特性,滤波器控制基于存储的数据确定调谐电压的最佳配置。 可重构带通滤波器可用于二次雷达系统领域。

    DEVICE FOR RECEIVING SECONDARY RADIO SIGNALS WITH QUASI-DYNAMIC OR DYNAMIC SECTORING OF THE SPACE TO BE MONITORED AND CORRESPONDING METHOD
    5.
    发明申请
    DEVICE FOR RECEIVING SECONDARY RADIO SIGNALS WITH QUASI-DYNAMIC OR DYNAMIC SECTORING OF THE SPACE TO BE MONITORED AND CORRESPONDING METHOD 有权
    用于接收要监视的空间的动态或动态区分的二次无线电信号的装置和相关方法

    公开(公告)号:US20120092211A1

    公开(公告)日:2012-04-19

    申请号:US13131669

    申请日:2009-11-27

    IPC分类号: G01S13/00

    摘要: A device and method for secondary radar signal reception with quasi-dynamic or dynamic sectoring of a space to be monitored. The device includes at least one antenna assembly including antenna elements for the reception of transmitted secondary radar signals, a signal processing unit connected via a connection point to the antenna elements for the joint processing of received antenna signals, outputs associated with a couple matrix in the signal processing unit and individual receivers. The couple matrix includes adjustable coefficients for sectoring of the space to be monitored and for performing a superposition of the antenna signals using a multiplicative-additive combination of the received antenna signals. In the case of dynamic sectoring of the space, each receiver receives for each receipt telegram another weighted superposition of the antenna signals with certain couple coefficients, and in the case of quasi-dynamic sectoring the adjustable coefficients are fixed over a longer time period.

    摘要翻译: 一种用于二次雷达信号接收的装置和方法,具有待监视空间的准动态或动态扇区。 该装置包括至少一个天线组件,其包括用于接收所发送的次级雷达信号的天线元件,经由连接点连接到天线元件的信号处理单元,用于联合处理所接收的天线信号,与所述天线元件中的耦合矩阵相关联的输出 信号处理单元和单个接收器。 耦合矩阵包括用于扇区待监视空间的可调系数,并且使用所接收的天线信号的乘法 - 加法组合来执行天线信号的叠加。 在空间的动态扇区的情况下,每个接收机为每个接收电报接收具有某些耦合系数的天线信号的另一个加权叠加,并且在准动态扇区的情况下,可调节系数在更长的时间段内是固定的。

    Device for receiving secondary radio signals with quasi-dynamic or dynamic sectoring of the space to be monitored and corresponding method
    6.
    发明授权
    Device for receiving secondary radio signals with quasi-dynamic or dynamic sectoring of the space to be monitored and corresponding method 有权
    用于接收待监测空间的准动态或动态扇区的辅助无线电信号的装置和相应的方法

    公开(公告)号:US08462041B2

    公开(公告)日:2013-06-11

    申请号:US13131669

    申请日:2009-11-27

    IPC分类号: G01S13/00

    摘要: A device and method for secondary radar signal reception with quasi-dynamic or dynamic sectoring of a space to be monitored. The device includes at least one antenna assembly including antenna elements for the reception of transmitted secondary radar signals, a signal processing unit connected via a connection point to the antenna elements for the joint processing of received antenna signals, outputs associated with a couple matrix in the signal processing unit and individual receivers. The couple matrix includes adjustable coefficients for sectoring of the space to be monitored and for performing a superposition of the antenna signals using a multiplicative-additive combination of the received antenna signals. In the case of dynamic sectoring of the space, each receiver receives for each receipt telegram another weighted superposition of the antenna signals with certain couple coefficients, and in the case of quasi-dynamic sectoring the adjustable coefficients are fixed over a longer time period.

    摘要翻译: 一种用于二次雷达信号接收的装置和方法,具有待监视空间的准动态或动态扇区。 该装置包括至少一个天线组件,其包括用于接收所发送的次级雷达信号的天线元件,经由连接点连接到天线元件的信号处理单元,用于联合处理所接收的天线信号,与所述天线元件中的耦合矩阵相关联的输出 信号处理单元和单个接收器。 耦合矩阵包括用于扇区待监视空间的可调系数,并且使用所接收的天线信号的乘法 - 加法组合来执行天线信号的叠加。 在空间的动态扇区的情况下,每个接收机为每个接收电报接收具有某些耦合系数的天线信号的另一个加权叠加,并且在准动态扇区的情况下,可调节系数在更长的时间段内是固定的。

    DEVICE AND METHOD FOR IDENTIFICATION AND CANCELLATION OF CROSSTALK
    7.
    发明申请
    DEVICE AND METHOD FOR IDENTIFICATION AND CANCELLATION OF CROSSTALK 有权
    用于识别和取消CROSSTALK的装置和方法

    公开(公告)号:US20120281746A1

    公开(公告)日:2012-11-08

    申请号:US13520761

    申请日:2011-01-05

    IPC分类号: H04B15/00 H04L27/01

    CPC分类号: H04B3/32

    摘要: Devices and methods for the cancellation for and identification of crosstalk for different application cases, particularly for near-end crosstalk (NEXT), are known. Too little attention is paid to the situation of non-reciprocally coupled systems. Therefore, devices and methods for cancellation and identification of far-end crosstalk (FEXT), which enable a reliable identification of an unknown system, are lacking in practice.In order to allow cancellation of FEXT, where wire pairs of a bundle of transmission lines are non-reciprocally coupled, the device according to the present invention for cancellation for and identification of interfering signals in a communication system possess at least a cancellation circuit, which is connected downstream to dead time elements, an interference characteristic detection device and a cancellation control unit, which controls the setting of filter coefficients of an adaptive filter and the cancellation signal source, wherein the adaptive filter is designed as a digital cancellation filter having filter coefficients separated in time by a first delay element having the delay time T, and having an adjustable additional delay time t, whereby the setting of the additional delay time τ takes place together with the setting of filter coefficients.

    摘要翻译: 已知用于消除和识别用于不同应用情况(特别是近端串扰(NEXT))的串扰的装置和方法。 对非互惠系统的情况太少关注。 因此,在实践中缺乏用于消除和识别远端串扰(FEXT)的装置和方法,其能够可靠地识别未知系统。 为了允许消除一束传输线的线对不互相耦合的FEXT,根据本发明的用于消除和识别通信系统中的干扰信号的装置具有至少一个消除电路,其中 连接到死区时间元素的下游,干扰特性检测装置和消除控制单元,其控制自适应滤波器和消除信号源的滤波器系数的设置,其中自适应滤波器被设计为具有滤波器系数的数字消除滤波器 由具有延迟时间T的第一延迟元件在时间上分离,并且具有可调节的附加延迟时间t,由此附加延迟时间τ的设置与滤波器系数的设置一起发生。

    Device and method for identification and cancellation of crosstalk
    8.
    发明授权
    Device and method for identification and cancellation of crosstalk 有权
    用于识别和消除串扰的装置和方法

    公开(公告)号:US09001880B2

    公开(公告)日:2015-04-07

    申请号:US13520761

    申请日:2011-01-05

    CPC分类号: H04B3/32

    摘要: Disclosed are devices and methods for identification and cancellation of interfering signals, especially far-end crosstalk (FEXT), in a communication system with at least two pairs of wires of a balanced line bundle. The devices include at least a cancellation circuit, which is connected downstream to dead time elements, an interference characteristic detection device and a cancellation control unit, which controls a setting of filter coefficients of an adaptive filter and the cancellation signal source. The adaptive filter is configured as a digital cancellation filter having filter coefficients separated in time by a first delay element having the delay time T, and having an adjustable additional delay time t, whereby the setting of the additional delay time τ takes place together with the setting of filter coefficients.

    摘要翻译: 在具有平衡线束的至少两对导线的通信系统中公开了用于识别和消除干扰信号,特别是远端串扰(FEXT)的装置和方法。 这些装置至少包括与死区时间元素下游连接的消除电路,干扰特性检测装置和消除控制单元,其控制自适应滤波器和消除信号源的滤波器系数的设置。 自适应滤波器被配置为具有由具有延迟时间T的第一延迟元件在时间上分离的滤波器系数的数字消除滤波器,并且具有可调节的附加延迟时间t,由此附加延迟时间τ的设置与 滤波器系数的设置。

    Method and system for automatic object detection and subsequent object tracking in accordance with the object shape
    9.
    发明授权
    Method and system for automatic object detection and subsequent object tracking in accordance with the object shape 有权
    根据物体形状自动对象检测和后续对象跟踪的方法和系统

    公开(公告)号:US08948450B2

    公开(公告)日:2015-02-03

    申请号:US13391790

    申请日:2010-08-22

    IPC分类号: G06K9/00 G06T7/20

    摘要: A method and system for automatic object detection and subsequent object tracking in accordance with the object shape in digital video systems having at least one camera for recording and transmitting video sequences. In accordance with the method and system, an object detection algorithm based on a Gaussian mixture model and expanded object tracking based on Mean-Shift are combined with each other in object detection. The object detection is expanded in accordance with a model of the background by improved removal of shadows, the binary mask generated in this way is used to create an asymmetric filter core, and then the actual algorithm for the shape-adaptive object tracking, expanded by a segmentation step for adapting the shape, is initialized, and therefore a determination at least of the object shape or object contour or the orientation of the object in space is made possible.

    摘要翻译: 一种用于根据具有用于记录和发送视频序列的至少一个摄像机的数字视频系统中的对象形状的自动对象检测和后续对象跟踪的方法和系统。 根据方法和系统,基于高斯混合模型和基于Mean-Shift的扩展对象跟踪的对象检测算法在对象检测中相互组合。 通过改进的阴影去除,根据背景的模型扩展对象检测,以这种方式生成的二进制掩码用于创建非对称的过滤器核心,然后用于形状自适应对象跟踪的实际算法由 用于适应形状的分割步骤被初始化,因此至少可以确定物体形状或物体轮廓或物体在空间中的取向。

    METHOD AND SYSTEM FOR AUTOMATIC OBJECT DETECTION AND SUBSEQUENT OBJECT TRACKING IN ACCORDANCE WITH THE OBJECT SHAPE
    10.
    发明申请
    METHOD AND SYSTEM FOR AUTOMATIC OBJECT DETECTION AND SUBSEQUENT OBJECT TRACKING IN ACCORDANCE WITH THE OBJECT SHAPE 有权
    用于自动对象检测的方法和系统以及根据对象形状的后续对象跟踪

    公开(公告)号:US20120148103A1

    公开(公告)日:2012-06-14

    申请号:US13391790

    申请日:2010-08-22

    IPC分类号: G06K9/00

    摘要: A method and system for automatic object detection and subsequent object tracking in accordance with the object shape in digital video systems having at least one camera for recording and transmitting video sequences. In accordance with the method and system, an object detection algorithm based on a Gaussian mixture model and expanded object tracking based on Mean-Shift are combined with each other in object detection. The object detection is expanded in accordance with a model of the background by improved removal of shadows, the binary mask generated in this way is used to create an asymmetric filter core, and then the actual algorithm for the shape-adaptive object tracking, expanded by a segmentation step for adapting the shape, is initialized, and therefore a determination at least of the object shape or object contour or the orientation of the object in space is made possible.

    摘要翻译: 一种用于根据具有用于记录和发送视频序列的至少一个摄像机的数字视频系统中的对象形状的自动对象检测和后续对象跟踪的方法和系统。 根据方法和系统,基于高斯混合模型和基于Mean-Shift的扩展对象跟踪的对象检测算法在对象检测中相互组合。 通过改进的阴影去除,根据背景的模型扩展对象检测,以这种方式生成的二进制掩码用于创建非对称的过滤器核心,然后用于形状自适应对象跟踪的实际算法由 用于适应形状的分割步骤被初始化,因此至少可以确定物体形状或物体轮廓或物体在空间中的取向。