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11. 发明专利

JP2017090143A レーダ装置、レーダ装置用の信号処理装置及び信号処理方法审中-公开
公开(公告)号：JP2017090143A
公开(公告)日：2017-05-25
申请号：JP2015218222
申请日：2015-11-06
申请人：富士通テン株式会社 , Fujitsu Ten Ltd
发明人： KURONO YASUHIRO
IPC分类号： G01S13/34
CPC分类号： G01S7/352 , G01S13/343 , G01S13/42 , G01S13/584
摘要：【課題】相対速度の折り返しが生じた場合でも正確に相対速度を検出可能なレーダ装置に関する技術を提供することを課題とする。【解決手段】周波数が上昇するアップ期間及び周波数が下降するダウン期間を繰り返す送信信号が物標で反射された反射波を受信信号として受信し、前記アップ期間に対応する前記受信信号に基づき物標との距離を算出してアップ側距離とし、前記ダウン期間に対応する前記受信信号に基づき物標との距離を算出してダウン側距離とし、前記アップ側距離と前記ダウン側距離に基づいて速度折り返しの有無を判定し、前記アップ期間に対応する前記受信信号又は前記ダウン期間に対応する前記受信信号の少なくとも一方、および速度折り返しの判定結果に基づいて物標との相対速度を算出する。【選択図】図2

12. 发明专利

JP2013120144A Detection distance measurement device and angle estimation method 有权
标题翻译：检测距离测量装置和角度估计方法
公开(公告)号：JP2013120144A
公开(公告)日：2013-06-17
申请号：JP2011268868
申请日：2011-12-08
申请人： Fujitsu Ltd , 富士通株式会社 , Fujitsu Ten Ltd , 富士通テン株式会社
发明人： SHIRAKAWA KAZUO , KURONO YASUHIRO
IPC分类号： G01S7/02
CPC分类号： G01S13/42 , G01S13/89 , G01S13/931 , G01S2013/9375
摘要： PROBLEM TO BE SOLVED: To improve the reliability or practicability of a detection distance measurement device.SOLUTION: A detection distance measurement device includes: M-piece of transmitting-sensor elements for transmitting probe signals; N-piece of receiving-sensor elements for receiving echo signals generated by the probe signals being reflected by a target; a matrix generation part for generating a third matrix produced by multiplying a first matrix and a second matrix, where the first matrix has, as diagonal elements, L-piece of reception signals obtained from an effective reception sensor array constituted by synthesizing M-piece of transmitting-sensor elements and N-piece of receiving-sensor elements and the second matrix is constituted by mutually linear-independent P-piece L-dimensional vectors; and an estimation part for estimating an incoming direction of an echo signal from the target on the basis of a pseudo-covariance matrix produced by multiplying the third matrix and its Hermitian conjugate transposition.
摘要翻译：要解决的问题：提高检测距离测量装置的可靠性或实用性。检测距离测量装置包括：M个用于发送探测信号的发射传感器元件; 用于接收由探针信号产生的回波信号的N个接收传感器元件被目标反射; 矩阵生成部，用于生成通过将第一矩阵和第二矩阵相乘而产生的第三矩阵，其中第一矩阵具有作为对角元素的L个片段的接收信号，该有效接收传感器阵列由通过合成M片传输传感器元件和N片接收传感器元件，第二矩阵由相互线性独立的P片L维向量构成; 以及估计部分，用于基于通过将第三矩阵和其Hermitian共轭转置相乘而产生的伪协方差矩阵来估计来自目标的回波信号的输入方向。版权所有（C）2013，JPO＆INPIT

13. 发明专利

JP2012185029A Radar system 有权
标题翻译：雷达系统
公开(公告)号：JP2012185029A
公开(公告)日：2012-09-27
申请号：JP2011048132
申请日：2011-03-04
申请人： Fujitsu Ten Ltd , 富士通テン株式会社
发明人： KURONO YASUHIRO , SHINOMIYA TOMOHIRO , ASANUMA HISATERU
IPC分类号： G01S13/34 , G01S7/02 , G01S13/93
CPC分类号： G01S7/2925 , G01S3/06 , G01S7/28 , G01S7/2813 , G01S7/483 , G01S13/00
摘要： PROBLEM TO BE SOLVED: To improve the accuracy of a radar system by determining a phase reflection ghost received by reception antennas by transmitting radio waves each having a different beam pattern.SOLUTION: An electronic scanning radar system detects a position of an object by calculating an angle of the object from the phase difference of reflected waves that is obtained through reception of incoming waves by a plurality of antennas. In the electronic scanning radar system, two transmission antennas are installed and radio waves each having a different beam pattern are alternately transmitted therefrom; an arrival angle, a reception level and a level difference of each reflected wave are calculated from respective reception signals of reflected waves generated by two beam patterns BP1 and BP2; a determination as to whether the reception level difference among the received reflected waves is equal to or above a predetermined level difference is made while taking the arrival angle into consideration; and an object not present on the arrival angles of the reflected waves is detected according to the determination result. The two beam patterns can be achieved by inclining transmission shafts to right and left.
摘要翻译：要解决的问题：通过发送每个具有不同波束图案的无线电波来确定由接收天线接收到的相位反射重影，来提高雷达系统的精度。解决方案：电子扫描雷达系统通过从通过接收多个天线的入射波获得的反射波的相位差计算物体的角度来检测物体的位置。在电子扫描雷达系统中，安装了两个发射天线，并且从其中交替地传送各自具有不同波束图案的无线电波; 根据由两个光束图案BP1和BP2产生的反射波的各个接收信号计算每个反射波的到达角，接收电平和电平差; 在考虑到达角时，确定接收的反射波中的接收电平差是否等于或高于预定电平差; 并且根据确定结果检测在反射波的到达角度上不存在的对象。两个波束图案可以通过向右和向左倾斜传动轴来实现。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2012159432A Radar device and calculating method of reception power in this radar device 有权
标题翻译：雷达装置的雷达装置和接收功率的计算方法
公开(公告)号：JP2012159432A
公开(公告)日：2012-08-23
申请号：JP2011020058
申请日：2011-02-01
申请人： Fujitsu Ten Ltd , 富士通テン株式会社
发明人： KURONO YASUHIRO
IPC分类号： G01S7/02 , G01S13/34
CPC分类号： G01S13/42 , G01S13/345
摘要： PROBLEM TO BE SOLVED: To exactly calculate a power of each incoming wave received in regard to multiple targets in an electronically scanning radar device which estimates an incoming direction of an electric wave by using a high breakdown function process.SOLUTION: In an on-vehicle radar device utilizing an electronic scan which estimates the incoming direction of a reflection wave by using a predetermined angle estimation method, such a method is carried out that mode vectors MV1, MV2 for each angle calculated from reception signals of each antenna are obtained, and a vector of the reception signal RS is broken down to directions of the mode vectors MV1, MV2 and lengths of broken down vectors PV1, PV2 are defined as the reception power of the reflection wave income from each target. By this method, each power of the multiple incoming waves can be exactly calculated even though the multiple targets exist, and a pairing is exactly executed and a detection accuracy of the target is improved, thereby malfunction of the on-vehicle radar device utilizing the electronic scan is prevented.
摘要翻译：要解决的问题：为了精确地计算在电子扫描雷达装置中针对多个目标接收的每个入射波的功率，该电子扫描雷达装置通过使用高击穿功能过程来估计电波的进入方向。解决方案：在利用通过使用预定角度估计方法估计反射波的进入方向的电子扫描的车载雷达装置中，执行这样的方法：对于从获得每个天线的接收信号，将接收信号RS的向量分解为模式矢量MV1，MV2的方向，将分解矢量PV1，PV2的长度定义为来自每个天线的反射波收入的接收功率目标。通过这种方法，即使存在多个目标，也可以精确地计算多个输入波的每个功率，并且精确地执行配对并且提高目标的检测精度，从而利用电子装置的车载雷达装置的故障扫描被防止。版权所有（C）2012，JPO＆INPIT

15. 发明专利

JP2012202955A Holographic radar 审中-公开
标题翻译：全息雷达
公开(公告)号：JP2012202955A
公开(公告)日：2012-10-22
申请号：JP2011070606
申请日：2011-03-28
申请人： Fujitsu Ten Ltd , 富士通テン株式会社
发明人： TAKASAGO TOMOKI , KURONO YASUHIRO , SHINOMIYA TOMOHIRO , ASANUMA HISATERU , KAWABE SEIJI
IPC分类号： G01S13/89 , G01S13/34
摘要： PROBLEM TO BE SOLVED: To solve the problem that when a target is moving, difference in a total path length difference occurs and holographic synthesis cannot be performed.SOLUTION: The holographic radar has: a transmission part (S) for transmitting first and second transmission waves; a reception part (R) for receiving first and second reflection waves; a transmission wave control unit (50) for controlling first and second transmission antenna to change a transmission cycle which is a time interval from transmission of the first transmission wave to transmission of the second transmission wave so as to transmit the first and second transmission waves a plurality of times; and an azimuth operation part (11) which, on the basis of a relative speed of targets included in respective frequency peaks obtained according to detection situations of reflection waves from the target when the transmission waves are transmitted a plurality of times, selects a transmission cycle of an optimal transmission time interval from the relative speed difference when there are a plurality of targets, synthesizes the first and the second reflection waves when the first and second transmission waves are transmitted in the selected transmission cycle, and detects the target.
摘要翻译：要解决的问题为了解决当目标移动时发生总路径长度差的差异并且不能执行全息图合成的问题。解决方案：全息雷达具有：用于发送第一和第二传输波的传输部分（S）; 用于接收第一和第二反射波的接收部分（R）; 发送波控制单元（50），用于控制第一和第二发送天线，以改变作为从第一发送波的发送到第二发送波的发送的时间间隔的发送周期，以便发送第一和第二发送波a 多次以及方位操作部（11），其基于当发送波多次发送时根据来自目标的反射波的检测情况而获得的各个频率峰值中包括的目标的相对速度，选择发送周期当存在多个目标时，从相对速度差的最佳传输时间间隔，当在所选择的传输周期中发送第一和第二传输波时，合成第一和第二反射波，并检测目标。版权所有（C）2013，JPO＆INPIT

16. 发明专利

JP2012185039A Radar device and arrival angle calculation method of the radar device 有权
标题翻译：雷达装置的雷达装置和雷达角计算方法
公开(公告)号：JP2012185039A
公开(公告)日：2012-09-27
申请号：JP2011048221
申请日：2011-03-04
申请人： Fujitsu Ten Ltd , Fujitsu Ltd , 富士通テン株式会社 , 富士通株式会社
发明人： KURONO YASUHIRO , SHINOMIYA TOMOHIRO , SHIRAKAWA KAZUO
IPC分类号： G01S7/40 , G01S7/02
CPC分类号： G01S3/74 , G01S13/345 , G01S13/584 , G01S13/931 , G01S2007/356
摘要： PROBLEM TO BE SOLVED: To reduce erroneous detection of a radio wave arrival direction by changing a mode vector to a measured value in a radar device which detects the arrival angle of a reflection signal from a target by using the mode vector.SOLUTION: In a radar device which performs reception processing of each of reflection signals received from a target by a plurality of antennas and calculates the arrival angle of the reception signal based on a mode vector, the arrival angle calculation method includes: acquiring a reflection wave from a virtual target existing at a predetermined angle and at a specified distance from the radar device as reception signal data; extracting a reception signal of a frequency equivalent to the distance of the virtual target from the radar device; performing eigenvalue decomposition for a covariance matrix obtained from the reception signals by calculation; acquiring a characteristic vector corresponding to the eigenvalue obtained by retrieving the maximum value among the acquired eigenvalues; storing the characteristic vector in a memory as a mode vector of a measured value in the predetermined angle; and calculating the arrival angle of the reception signal by using the mode vector of the measured value stored as the mode vector.
摘要翻译：要解决的问题：为了通过使用模式向量将模式向量改变为检测来自目标的反射信号的到达角的雷达装置中的测量值来减少对无线电波到达方向的错误检测。解决方案：在对通过多个天线从目标接收的每个反射信号进行接收处理并基于模式向量计算接收信号的到达角度的雷达装置中，到达角度计算方法包括：获取来自作为接收信号数据的来自雷达装置的以预定角度和指定距离存在的虚拟目标的反射波; 从雷达装置提取与虚拟目标的距离相当的频率的接收信号; 通过计算对从接收信号获得的协方差矩阵执行特征值分解; 获取对应于通过检索所获取的特征值中的最大值而获得的特征值的特征向量; 将所述特征矢量存储在存储器中作为所述预定角度的测量值的模式向量; 以及通过使用作为模式向量存储的测量值的模式向量来计算接收信号的到达角度。版权所有（C）2012，JPO＆INPIT

17. 发明专利

JP2011002429A Radar device 审中-公开
标题翻译：雷达设备
公开(公告)号：JP2011002429A
公开(公告)日：2011-01-06
申请号：JP2009147875
申请日：2009-06-22
申请人： Fujitsu Ten Ltd , 富士通テン株式会社
发明人： KURONO YASUHIRO , ASANUMA HISATERU
IPC分类号： G01S7/40 , G01S13/34
摘要： PROBLEM TO BE SOLVED: To appropriately detect a target even where a reflected wave of a radar is saturated.SOLUTION: A radar device 1 for detecting for a target by means of a reflected wave of a radio wave includes a signal processor 10 receiving the reflected wave and an arithmetic processor 2 for Fourier transforming a signal obtained from the signal processor 10 to detect for the target. In cases where the waveform of a signal obtained from the signal processor 10 is partly saturated, the arithmetic processor 2 is for interpolating a saturated portion by using an approximate expression generated based on the waveform of an unsaturated effective portion to detect for the target by Fourier transforming the signal with waveform interpolation given thereto.
摘要翻译：要解决的问题：即使在雷达的反射波饱和的情况下也适当地检测目标。解决方案：用于通过无线电波的反射波检测目标的雷达装置1包括：信号处理器10，波形和用于对从信号处理器10获得的信号进行傅立叶变换以检测目标的运算处理器2。在从信号处理器10获得的信号的波形部分饱和的情况下，运算处理器2用于通过使用基于不饱和有效部分的波形生成的近似表达式来内插饱和部分，以通过傅里叶检测目标用给定的波形插值变换信号。

18. 发明专利

JP2010038706A Signal processing apparatus and radar system 审中-公开
标题翻译：信号处理装置和雷达系统
公开(公告)号：JP2010038706A
公开(公告)日：2010-02-18
申请号：JP2008201387
申请日：2008-08-05
申请人： Fujitsu Ten Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 富士通テン株式会社
发明人： MORIUCHI KO , KURONO YASUHIRO , ASANUMA HISATERU , TSUNEKAWA JUN , KAWASAKI TOMOYA
IPC分类号： G01S13/66 , G01S13/93 , G08G1/16
摘要： PROBLEM TO BE SOLVED: To provide an anterolateral monitoring radar system of a vehicle which precisely detects a position of a target object. SOLUTION: A signal processing apparatus of a radar transceiver which is mounted to the vehicle and scans a scan area containing a lateral area of the vehicle includes: a position detecting means for detecting X and Y coordinates of the target object position in the scan area wherein Y-axis is along the anterolateral direction of the vehicle, and X-axis intersects with the Y-axis; a position predicting means for predicting the X and Y coordinates of the target object position based on X-coordinate difference values and Y-coordinate difference values at respective detection cycles for the target object position detected in past detection cycles; and a position determining means for determining the detected position when the detected X and Y coordinates are within allowable ranges of the predicted X and Y coordinates, respectively. Therefore, the target object position having a large X-coordinate difference value can be predicted precisely, and position detection can be improved with accuracy. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供精确检测目标物体的位置的车辆的前外侧监视雷达系统。解决方案：安装到车辆并扫描包含车辆横向区域的扫描区域的雷达收发器的信号处理装置包括：位置检测装置，用于检测目标对象位置的X和Y坐标扫描区域，其中Y轴沿着车辆的前外侧方向，并且X轴与Y轴相交; 位置预测装置，用于根据在过去的检测周期中检测到的目标对象位置的各个检测周期的X坐标差值和Y坐标差值来预测目标对象位置的X坐标和Y坐标; 以及位置确定装置，用于当检测到的X和Y坐标分别在预测的X和Y坐标的允许范围内时，确定检测到的位置。因此，可以精确地预测具有大的X坐标差值的目标对象位置，并且可以精确地提高位置检测。版权所有（C）2010，JPO＆INPIT

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