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101 条记录 (耗时 0.015 秒)

    RECEIVE PATH ARRANGEMENT
    1.
    发明公开
    RECEIVE PATH ARRANGEMENT 审中-公开

    公开(公告)号：EP3339881A1

    公开(公告)日：2018-06-27

    申请号：EP16206122.0

    申请日：2016-12-22

    申请人： NXP B.V.

    发明人： Lin, Yu

    IPC分类号： G01S7/35

    CPC分类号： H04B1/109 ,  G01S7/038 ,  G01S7/292 ,  G01S7/354 ,  G01S13/286 ,  G01S13/34 ,  G01S13/348 ,  G01S13/4454 ,  G01S13/931 ,  G01S2013/9325 ,  H03M1/188

    摘要： A receive path arrangement of a radar sensor of FMCW type comprising a first and second receive path configured to receive reflected radar signals for detection and ranging of objects in a space around the radar sensor;
    the first receive path configured to provide reflected radar signals between a first and second beat frequency to a first analogue to digital converter for subsequent digital signal processing and wherein;
    the second receive path includes a second-receive-path filter configured to provide filtered signals by attenuation of the reflected radar signals having frequencies below an intermediate beat frequency, the intermediate beat frequency between the first and second beat frequencies, the second receive path further including a second-receive-path amplifier arrangement configured to provide amplified signals by amplification of the filtered signals and provide the amplified signals to a second analogue to digital converter for subsequent digital signal processing.

    Rear side and side radar for object detection and according to sense-of-movement of objects filtering
    3.
    发明公开
    Rear side and side radar for object detection and according to sense-of-movement of objects filtering 审中-公开
    雷达系统运动的方向的滤波的一侧或车辆后方识别对象

    公开(公告)号：EP2053422A1

    公开(公告)日：2009-04-29

    申请号：EP08167415.2

    申请日：2008-10-23

    申请人： Omron Corporation

    发明人： Ichiyanagi, Hoshibumi ,  Ohara, Hideyuki ,  Nishidai, Tetsuo ,  Numata, Hiroyuki

    IPC分类号： G01S13/38 ,  G01S13/58 ,  G01S13/62 ,  G01S13/93

    CPC分类号： G01S13/931 ,  G01S13/348 ,  G01S13/584 ,  G01S13/62 ,  G01S2013/9325 ,  G01S2013/9332 ,  G01S2013/9339 ,  G01S2013/9375 ,  G01S2013/9378 ,  G01S2013/9382

    摘要： A measuring device (1, 101), installed on a rear side or a side of a vehicle, for measuring an object using a reflected signal at the object of a transmission signal transmitted at a predetermined frequency, the measuring device (1, 101) includes recognizing means (61) for recognizing an object behind or beside the vehicle, discriminating means (1) for discriminating the recognized objects to an object moving closer to the vehicle and an object moving away from the vehicle, extracting means (62) for extracting only the object discriminated as moving closer to the vehicle from the recognized objects based on a discrimination result of moving closer or moving away, and calculating means (62) for calculating at least one of a distance or a relative velocity with the extracted object.

    摘要翻译： 的测量装置（1，101），安装在后侧或车辆的一侧，用于在一个预定的频率利用在发送信号的反式mitted的对象的反射信号的对象的测量中，测量装置（1,101） 包括识别装置（61），用于识别后面或车辆旁边到对象，识别装置（1），用于鉴别识别的对象到对象移动更靠近车辆和对象远离车辆移动时，提取装置（62），用于提取 只有鉴别为移动基于移近或移开，以及计算装置（62）的判别结果从所述识别出的对象更靠近所述车辆用于计算距离的至少一个或多个与所提取的对象的相对速度的对象。

    DISTANCE MEASURING DEVICE
    4.
    发明公开
    DISTANCE MEASURING DEVICE 有权
    ENTFERNUNGSMESSGERÄT

    公开(公告)号：EP1253441A4

    公开(公告)日：2008-12-31

    申请号：EP00993805

    申请日：2000-01-28

    申请人： HITACHI LTD

    发明人： KURODA HIROSHI ,  TAKANO KAZUAKI ,  NAKAMURA MITSURU

    IPC分类号： G01S13/34 ,  G01S13/536 ,  G01S13/58 ,  G01S13/93

    CPC分类号： G01S13/348 ,  G01S13/536 ,  G01S13/584 ,  G01S13/931 ,  G01S2013/462 ,  G01S2013/9375

    摘要： From a transmitter (18) and a transmission antenna (10), a first frequency signal of a constant first frequency is transmitted for more than a predetermined time, a second frequency signal of a second frequency different by a certain value from the first frequency is transmitted for more than a predetermined time, and a third frequency signal of a third frequency different from the first frequency by twice the certain value is transmitted for more than a predetermined time. Signals of the transmission frequencies reflected from measurement objects are fed to a receiving antenna (11), a mixer (12), an analog circuit section (13), an A/D converter (14), an FFT (15), and a signal processing section (16). The Doppler frequencies of the reflected waves are determined, and the objects are separately detected for every Doppler frequency. Based on the information on the phase and amplitude of the received signal of each transmission frequency, the objects of the same Doppler frequency are separated and identified. In such a way, even when measurement objects moving at substantially the same relative speed are present, they can be separately detected.

    摘要翻译： 从发射机（18）和发射天线（10）发射恒定的第一频率的第一频率信号超过预定时间，与第一频率相差一定值的第二频率的第二频率信号是 发送超过预定时间，并且以不同于第一频率的第三频率的第三频率信号发送预定时间以上的特定值的两倍。 从测量对象反射的发射频率的信号被馈送到接收天线11，混频器12，模拟电路部分13，A / D转换器14，FFT（15）和 信号处理部分（16）。 确定反射波的多普勒频率，并且针对每个多普勒频率分别检测物体。 根据每个发射频率的接收信号的相位和幅度的信息，分离和识别相同多普勒频率的目标。 以这种方式，即使存在以基本上相同的相对速度移动的测量对象，也可以分别检测它们。

    Radar system
    9.
    发明公开
    Radar system 有权
    雷达系统

    公开(公告)号：EP1365257A2

    公开(公告)日：2003-11-26

    申请号：EP03009833.9

    申请日：2003-05-13

    申请人： Hitachi, Ltd.

    发明人： Nakamura, Kazuto, Hitachi, Ltd., Int.Prop.Group

    IPC分类号： G01S13/34 ,  G01S13/58

    CPC分类号： G01S13/348 ,  G01S13/584

    摘要： The invention relates to a diplex Doppler type radar system which can detect a preceding vehicle (202) even when the range rate (e.g. a relative velocity, a relative distance DL) of a preceding vehicle (202) relative to a vehicle (201) having the radar system is small. The Radar system is mounted on a vehicle (201), the transmit antenna (104) alternately transmits two signals on different frequencies. When the transmitted signals meet an object (a preceding vehicle 202) and reflected, the reflected signals are received by a receive antenna (106). Usually, the first A/D converter (112) digitizes IF signals (said received signals) and the DSP (digital signal processor) (113) frequency-analyzes the digitized signals to compute the range rate of the preceding vehicle (202). When a peak spectrum exists in a low frequency range below a preset threshold as the result of the frequency analysis, the IF signals are digitized by the second A/D converter (116) which has a higher sampling resolution than that of the first A/D converter (112). The digitized IF signals are frequency-analyzed by the system control microcomputer 115. Thus the range rate (e.g. a relative velocity and a relative distance DL between the preceding vehicle (202) and the following vehicle (201)) of the preceding vehicle (202) is computed.

    摘要翻译： 本发明涉及一种即使当前车辆（202）相对于车辆（201​​）的距离速率（例如，相对速度，相对距离DL）相对于车辆（201​​）具有的距离速率（例如相对速度，相对距离DL））也可以检测前方车辆（202）的双重多普勒型雷达系统 雷达系统很小。 雷达系统安装在车辆（201​​）上，发射天线（104）以不同的频率交替地发射两个信号。 当发送的信号与物体（前方车辆202）相遇并被反射时，反射信号由接收天线（106）接收。 通常，第一A / D转换器（112）对IF信号（所述接收信号）进行数字化，并且DSP（数字信号处理器）（113）对数字化信号进行频率分析，以计算前一车辆（202）的范围速率。 作为频率分析的结果，当峰值频谱存在于低于预设阈值的低频范围内时，IF信号被具有比第一A / D转换器（116）的采样分辨率高的第二A / D转换器（116）数字化， D转换器（112）。 数字化的IF信号由系统控制微计算机115进行频率分析。因此，前一车辆（202）的距离速率（例如前一车辆（202）和后续车辆（201​​）之间的相对速度和相对距离DL） ）。

    Security system
    10.
    发明公开
    Security system 审中-公开
    保安系统

    公开(公告)号：EP1326090A2

    公开(公告)日：2003-07-09

    申请号：EP02018291.1

    申请日：2002-08-23

    申请人： Hitachi, Ltd.

    发明人： Izumi, Shiho ,  Kuroda, Hiroshi ,  Kuragaki, Satoru ,  Sato, Kazuhiko ,  Nakazawa, Terumi ,  Mizuishi, Kenichi ,  Takano, Kazuaki ,  Sasaki, Mitsuhide ,  Kondoh, Hiroshi ,  Tsubota, Mikito

    IPC分类号： G01S13/56 ,  G01S17/02 ,  G08B13/18

    CPC分类号： G01S13/56 ,  G01S13/04 ,  G01S13/348 ,  G01S13/589

    摘要： The invention relates to a device in which surroundings of a building (4) can be monitored using a sensor; when detecting an intruder, an object (7) can be detected even in the case of bad weather; and a predetermined area can be monitored using as few sensors as possible. The device includes a security system which emits a radio wave from a building (4) to a predetermined area outside the building (4) to detect an object (7), and on the basis of output of the object detecting unit (2), a judgment is made as to whether or not the object will intrude into the predetermined area.

    摘要翻译： 本发明涉及一种装置，其中建筑物（4）的周围可以使用传感器来监测; 当检测到入侵者时，即使在恶劣天气的情况下也可以检测到物体（7）; 并且可以使用尽可能少的传感器来监视预定区域。 该设备包括安全系统，该安全系统从建筑物（4）发射无线电波到建筑物（4）外部的预定区域以检测物体（7），并且基于物体检测单元（2）的输出， 判断物体是否侵入预定区域。