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    Pulse radar device
    1.
    发明授权
    Pulse radar device 失效
    脉冲雷达装置

    公开(公告)号：US06859165B2

    公开(公告)日：2005-02-22

    申请号：US10668298

    申请日：2003-09-24

    申请人： Katsuji Matsuoka

    发明人： Katsuji Matsuoka

    IPC分类号： G01S13/10 ,  G01S7/282 ,  G01S7/285 ,  G01S13/14 ,  G01S13/18 ,  G01S7/28

    CPC分类号： G01S7/285 ,  G01S7/282 ,  G01S13/14 ,  G01S13/18

    摘要： A pulse radar device includes a rectangular signal generating section for generating a rectangular signal that is a reference signal; a transmit timing voltage setting section for setting a voltage value for determining a transmit timing; a transmit pulse generating section for generating a transmit pulse based on the rectangular signal and the voltage value; a receive section for receiving a reflection wave obtained by reflecting the electric wave transmitted by the transmit section by a plurality of objects; a receive saw-tooth wave generating section for generating a saw-tooth wave in synchronism with the transmit pulse; a receive signal sample hold section for sample-holding the receive signal based on the outputs from the saw-tooth wave and the rectangular signal; and a detecting and distance measuring section for detecting the objects and measuring a distance to the objects based on the sample/hold output.

    摘要翻译： 脉冲雷达装置包括用于产生作为参考信号的矩形信号的矩形信号产生部分; 发送定时电压设定部，用于设定用于确定发送定时的电压值; 发送脉冲发生部分，用于基于矩形信号和电压值产生发送脉冲; 用于接收通过多个对象反射由发送部分发送的电波而获得的反射波的接收部分; 接收锯齿波产生部分，用于与发射脉冲同步产生锯齿波; 接收信号采样保持部分，用于基于来自锯齿波和矩形信号的输出来采样保持接收信号; 以及检测和距离测量部分，用于基于采样/保持输出来检测对象并测量到对象的距离。

    PULSE CENTER DETECTOR FOR RADARS AND REFLECTOMETERS
    2.
    发明申请
    PULSE CENTER DETECTOR FOR RADARS AND REFLECTOMETERS 失效
    雷达和反射计的脉冲中心检测器

    公开(公告)号：US20030025626A1

    公开(公告)日：2003-02-06

    申请号：US09922534

    申请日：2001-08-03

    发明人： Thomas E. McEwan

    IPC分类号： G01S007/292

    CPC分类号： G01F23/284 ,  G01S7/2922 ,  G01S13/14

    摘要： The pulse center detector (PCD) produces an amplitude-independent center-triggered range output for precision radar rangefinders and TDR systems. Pulse center triggering is accomplished by triggering leading-edge and trailing-edge detectors and summing the outputs to produce a computed center-triggered result. Since the occurrence time of a pulse center does not vary with amplitude, the PCD is amplitude-independent. The PCD overcomes limitations of prior automatic pulse detectors, such as the inherent latency of a constant fraction discriminator (CFD) and the uncertainty of a time-of-peak (TOP) detector. The PCD can be implemented with a single analog componentnulla comparatornulland thus requires appreciably fewer analog components than prior automatic detectors while providing lower jitter. Applications include radar and TDR tank gauges, and radar rangefinders for robotics and automotive applications.

    摘要翻译： 脉冲中心检测器（PCD）为精密雷达测距仪和TDR系统产生与振幅无关的中心触发范围输出。 脉冲中心触发是通过触发前沿和后沿检测器实现的，并对输出求和以产生计算的中心触发结果。 由于脉冲中心的发生时间不随振幅而变化，所以PCD与振幅无关。 PCD克服了现有自动脉冲检测器的局限性，例如恒定分数鉴别器（CFD）的固有潜伏期和峰值时间（TOP）检测器的不确定性。 PCD可以使用单个模拟组件（一个比较器）来实现，因此比以前的自动检测器要少得多的模拟组件，同时提供较低的抖动。 应用包括雷达和TDR油罐仪表，以及用于机器人和汽车应用的雷达测距仪。

    Method and apparatus for distance measurement
    3.
    发明授权
    Method and apparatus for distance measurement 失效
    用于距离测量的方法和装置

    公开(公告)号：US3830567A

    公开(公告)日：1974-08-20

    申请号：US23492472

    申请日：1972-03-15

    申请人： IMMATRA AG

    发明人： RIEGL J

    IPC分类号： G01S7/282 ,  G01S7/34 ,  G01S13/10 ,  G01S13/14 ,  G01S17/10 ,  G01C3/08 ,  G01S9/06

    CPC分类号： G01S7/282 ,  G01S7/34 ,  G01S13/106 ,  G01S13/14 ,  G01S17/105

    摘要： There is disclosed a range finder operating on the principle of finding the range of an object by measuring the time between transmission of a pulse towards an object and the reception of the reflected pulse. Errors in the range measurement caused by the different half-rise times of reflected pulses of different amplitudes are avoided by using only a reflected pulse of a predetermined constant magnitude as a measuring pulse for range determination. The desired magnitude of the measuring pulse is obtained by altering the power of the transmitter and/or by changing the amplification of the receiver. The use of pulsed laser range finders operating in the infra-red region of the spectrum is referred to for generating pulses as well as other sources of pulsed energy.