公开(公告)号：US20060220947A1

公开(公告)日：2006-10-05

申请号：US10550974

申请日：2004-02-16

申请人： Andreas Kornbichler ,  Martin Nalezinski ,  Martin Vossiek

发明人： Andreas Kornbichler ,  Martin Nalezinski ,  Martin Vossiek

IPC分类号： G01S13/08

CPC分类号： G01S13/0209 ,  G01S13/12 ,  G01S13/341 ,  G01S13/931

摘要： The invention relates to a pulse radar that comprises a receiving oscillator whose transient response is influenced by a received return.

摘要翻译： 本发明涉及一种包括接收振荡器的脉冲雷达，其接收振荡器的瞬态响应受到接收到的回波的影响。

公开(公告)号：US5387917A

公开(公告)日：1995-02-07

申请号：US989443

申请日：1992-12-11

申请人： James R. Hager ,  Gregory J. Haubrich

发明人： James R. Hager ,  Gregory J. Haubrich

IPC分类号： F42C13/04 ,  G01S13/34

CPC分类号： F42C13/045 ,  G01S13/341

摘要： A method and apparatus for determining an altitude for a radar fuze. The method includes the steps of receiving a return signal and transmitting a transmitted signal. The return signal and the transmitted signal are mixed and a mixed signal representing an altitude is responsively generated therefrom. The mixed signal is amplified to generate an amplified signal. The amplified signal is filtered to generate a filtered signal which is envelope detected to provide a detected signal responsive to the filtered signal. The detected signal is integrated responsively to the detected signal. The integrated signal level is compared against a track threshold reference signal and a track/no-track comparator signal is provided responsively to the integrated signal level and the track threshold reference signal. System timing is controlled by generating a plurality of control signals responsive to the track/no-track comparator signal and proportional to an altitude. A modulation signal responsive to the plurality of control signals is provided wherein the modulation signal is representative of an altimeter range as determined by the plurality of control signals. The transmitted signal is generated responsively to the modulation signal.

摘要翻译： 一种用于确定雷达引信高度的方法和装置。 该方法包括接收返回信号并发送发射信号的步骤。 返回信号和发送信号被混合，并且响应地从其产生表示高度的混合信号。 混合信号被放大以产生放大信号。 对经放大的信号进行滤波以产生经滤波的信号，其被包络检测以提供响应于滤波信号的检测信号。 检测到的信号是响应于检测到的信号而积分的。 将积分信号电平与磁道阈值参考信号进行比较，并且响应于积分信号电平和磁道阈值参考信号提供磁道/非磁道比较器信号。 通过产生响应于轨道/无轨迹比较器信号并与高度成比例的多个控制信号来控制系统定时。 提供响应于多个控制信号的调制信号，其中调制信号表示由多个控制信号确定的高度计范围。 发送的信号是响应于调制信号产生的。

公开(公告)号：US4276549A

公开(公告)日：1981-06-30

申请号：US94610

申请日：1979-11-15

申请人： Jean-Pierre Tomasi

发明人： Jean-Pierre Tomasi

IPC分类号： G01S7/40 ,  G01S13/34 ,  H03B23/00 ,  G01S13/32

CPC分类号： H03B23/00 ,  G01S13/341 ,  G01S7/4008 ,  H03B2200/0068 ,  H03B2200/0092

摘要： A FM-CW radar distance measuring apparatus, comprising a feedback loop having a high-frequency signal generator, a mixer device producing a beat signal between the transmitted wave and the received wave, a frequency discriminator, an integrator and a modulator which produces a sawtooth voltage for controlling the generator. The duration of the sawtooth is directly proportional to the distance to be measured. To improve the linearity of the signal to be transmitted a second (digital) feedback loop is provided, connected between the discriminator output and the modulator input and comprising the cascade arrangement of a threshold device, an adder, a store (and a digital-to-analog) converter. A distribution element connects the modulator to the store.

摘要翻译： 一种FM-CW雷达距离测量装置，包括具有高频信号发生器的反馈回路，在发射波和接收波之间产生拍频信号的混频器装置，产生锯齿波的频率鉴别器，积分器和调制器 用于控制发电机的电压。 锯齿的持续时间与要测量的距离成正比。 为了提高要发送的信号的线性度，提供了第二（数字）反馈回路，连接在鉴别器输出和调制器输入之间，并且包括阈值装置，加法器，存储器（以及数字到 -analog）转换器。 分配元件将调制器连接到商店。

公开(公告)号：US3344423A

公开(公告)日：1967-09-26

申请号：US56258066

申请日：1966-07-05

申请人： HONEYWELL INC

发明人： THUE BAARD H

IPC分类号： G01S13/34

CPC分类号： G01S13/343 ,  G01S13/341

公开(公告)号：US20190212430A1

公开(公告)日：2019-07-11

申请号：US16315291

申请日：2017-07-07

申请人： DENSO CORPORATION

发明人： Yusuke AKAMINE ,  Mitsuyasu MATSUURA ,  Yasuyuki MIYAKE

IPC分类号： G01S13/34 ,  G01S13/93 ,  G01S7/35

CPC分类号： G01S13/341 ,  B60R21/00 ,  G01S7/352 ,  G01S13/34 ,  G01S13/93 ,  G01S13/931 ,  G01S2013/9353 ,  G08G1/16

摘要： A dual-frequency CW processing unit (12) calculates an observation-point orientation of an observation point. An FMCW processing unit (11) calculates at least a power spectrum of a beat signal, which has been generated based on radar waves that have come from the calculated observation-point orientation, in terms of an up-modulation time interval and a down-modulation time interval (termed orientation power spectrum hereinafter). The FMCW processing unit (11) shifts the orientation power spectra of the up- and down-modulation time intervals to positive and negative directions, respectively, by an amount corresponding to a Doppler shift frequency. The FMCW processing unit (11) calculates a differential power spectrum by differentiating the orientation power spectra of the shifted up- and down-modulation time intervals, and detects a peak frequency where intensity is maximum.

公开(公告)号：US20180011181A1

公开(公告)日：2018-01-11

申请号：US15204603

申请日：2016-07-07

申请人： Infineon Technologies AG

发明人： Tatsuya Urakawa ,  Abhiram Chakraborty ,  Masanobu Higuchi

IPC分类号： G01S13/40 ,  G01S7/35 ,  G01S13/34

CPC分类号： G01S13/40 ,  G01S7/352 ,  G01S13/341 ,  G01S13/343 ,  G01S13/931 ,  G01S2007/356

摘要： A radar system includes a radar transceiver device, which includes a transmitter front end circuit for transmitting a chirp signal towards an object. The radar transceiver device includes a receiver front end circuit for receiving the reflected chirp signal from the object. The radar transceiver device includes a voltage controlled oscillator (VCO) to generate a transmitted chirp signal. The radar transceiver device includes a mixer configured to generate four intermediate frequency output signals having different phases. The radar system includes a controller device, which includes a processor, and a memory for storing the intermediate frequency output signals and instructions for executing in the processor. The instructions cause the processor to generate a complex Fast Fourier Transform (FFT) result by performing a FFT of the intermediate frequency output signals while using zero-padding. The instructions cause the processor to determine, using interpolation, a maximum amplitude in the FFT result and identifying the frequency corresponding to the maximum amplitude. The instructions cause the processor to calculate a distance to the object using the determined frequency.

公开(公告)号：US20150260841A1

公开(公告)日：2015-09-17

申请号：US14506688

申请日：2014-10-06

申请人： Wistron NeWeb Corporation

发明人： Chi-Cheng Kuo ,  Hsin-Lung Hsiao ,  Tsai-Wang Chang ,  Min-Jung Wu

IPC分类号： G01S13/93 ,  B60W30/08

CPC分类号： G01S13/931 ,  B60W30/08 ,  B60W50/14 ,  B60W2050/143 ,  B60W2050/146 ,  B60W2420/54 ,  B60W2422/90 ,  G01S13/34 ,  G01S13/341 ,  G01S13/42 ,  G01S13/50 ,  G01S13/589 ,  G01S2013/9317 ,  G01S2013/9332 ,  G01S2013/9378 ,  G01S2013/9385 ,  G01S2013/9389

摘要： An alarm system for a vehicle comprises a sensor disposed on an installation plane of the vehicle, configured to emit a plurality of frequency-modulated continuous waveform (FMCW) signals toward a reverse plane of the installation plane and receiving reflected signals of the plurality of FMCW signals, to detect information of a plurality of targets within a specified range corresponding to the vehicle; an alarm being controlled to generate an alarm signal; and a control module coupled to the sensor and the alarm, capable of receiving the information of the plurality of targets detected by the sensor; determining a vehicle information of the vehicle in relation to an external environment according to the information of the plurality of targets; and determining movement statuses of the plurality of targets in relation to the vehicle according to the vehicle information and the information of the plurality of targets, and accordingly controlling the alarm.

摘要翻译： 一种用于车辆的报警系统包括设置在车辆的安装平面上的传感器，用于向安装平面的反面发射多个频率调制的连续波形（FMCW）信号，并接收多个FMCW的反射信号 信号，以检测对应于车辆的指定范围内的多个目标的信息; 控制报警器产生报警信号; 以及耦合到所述传感器和所述报警器的控制模块，能够接收由所述传感器检测到的所述多个目标的信息; 根据多个目标的信息确定车辆相对于外部环境的车辆信息; 以及根据所述车辆信息和所述多个目标的信息来确定所述多个目标相对于所述车辆的运动状态，并据此控制所述警报。

公开(公告)号：US07002512B2

公开(公告)日：2006-02-21

申请号：US10148059

申请日：2001-09-26

申请人： Osamu Isaji

发明人： Osamu Isaji

IPC分类号： G01S13/93

CPC分类号： G01S13/34 ,  G01S7/35 ,  G01S7/352 ,  G01S13/341 ,  G01S13/345 ,  G01S13/347 ,  G01S13/58

摘要： In an FM-CW radar system, a frequency modulating wave output from said modulating signal generator has a frequency variation skew with respect to a time axis (modulation skew), and the radar system includes a means for varying the modulation skew by controlling the modulation frequency amplitude or modulation period of the modulating signal. The radar system further includes a means for discriminating a signal component varying in response to the variation of the modulation skew, thereby discriminating a signal related to a target object from other signals. In the case of an FM-CW radar system that performs transmission and/or reception by time division ON-OFF control, the radar system includes a means for discriminating a signal which, when the frequency used to perform the ON-OFF control is varied, varies in response to the variation of the frequency, thereby discriminating a signal related to a target object from other signals.

摘要翻译： 在FM-CW雷达系统中，从调制信号发生器输出的频率调制波具有相对于时间轴（调制偏移）的频率变化偏差，并且雷达系统包括通过控制调制来改变调制偏移的装置 调制信号的频率幅度或调制周期。 雷达系统还包括用于鉴别响应于调制偏差的变化而变化的信号分量的装置，从而将与目标对象相关的信号与其他信号区分开。 在通过时分ON-OFF控制进行发送和/或接收的FM-CW雷达系统的情况下，雷达系统包括用于识别当用于执行ON-OFF控制的频率变化时的信号的装置 响应于频率的变化而变化，从而将与目标对象相关的信号与其他信号区分开。

公开(公告)号：US20050184903A1

公开(公告)日：2005-08-25

申请号：US10646905

申请日：2003-08-22

申请人： Osamu Isaji

发明人： Osamu Isaji

IPC分类号： G01S7/35 ,  G01S13/34 ,  G01S13/93

CPC分类号： G01S13/34 ,  G01S7/35 ,  G01S7/352 ,  G01S13/341 ,  G01S13/345 ,  G01S13/347 ,  G01S13/58

摘要： In an FM-CW radar system, a frequency modulating said modulating wave output from said modulating signal generator has a frequency variation skew with respect to a time axis (modulation skew), and the radar system includes a means for varying the modulation skew by controlling the modulation frequency amplitude or modulation period of the modulating signal. The radar system further includes a means for discriminating a signal component varying in response to the variation of the modulation skew, thereby discriminating a signal related to a target object from other signals. In the case of an FM-CW radar system that performs transmission and/or reception by time division ON-OFF control the radar system includes a means for discriminating a signal which, when the frequency used to perform the ON OFF control is varied, varies in response to the variation of the frequency, thereby discriminating a signal related to a target object from other signals.

摘要翻译： 在FM-CW雷达系统中，从所述调制信号发生器输出的所述调制波的频率调制相对于时间轴（调制偏斜）具有频率变化偏差，并且所述雷达系统包括用于通过控制来改变调制偏差的装置 调制信号的调制频率幅度或调制周期。 雷达系统还包括用于鉴别响应于调制偏差的变化而变化的信号分量的装置，从而将与目标对象相关的信号与其他信号区分开。 在通过时分ON-OFF控制进行发送和/或接收的FM-CW雷达系统的情况下，雷达系统包括用于识别当用于执行ON OFF控制的频率变化时的信号的装置，其变化 响应于频率的变化，从而将与目标对象相关的信号与其他信号区分开。

公开(公告)号：US5546088A

公开(公告)日：1996-08-13

申请号：US317680

申请日：1994-10-05

申请人： Gunther Trummer ,  Richard Korber

发明人： Gunther Trummer ,  Richard Korber

IPC分类号： G01S7/282 ,  G01S13/34 ,  G01S13/18

CPC分类号： G01S13/343 ,  G01S13/341

摘要： The present invention pertains to a radar range finder for high-precision, contactless range measurement, which is based on the FMCW principle and operates with digital signal processing at a limited frequency shift. One exemplary embodiment is described.

摘要翻译： 本发明涉及一种用于高精度，非接触式测距的雷达测距仪，其基于FMCW原理，并以有限的频移进行数字信号处理。 描述一个示例性实施例。