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11. 发明专利

JP2012220196A Arithmetic unit for radar device, radar device, and arithmetic method and program for radar device 有权
标题翻译：用于雷达装置的雷达装置的算术单元，雷达装置的算术方法和程序
公开(公告)号：JP2012220196A
公开(公告)日：2012-11-12
申请号：JP2011082628
申请日：2011-04-04
申请人： Fujitsu Ten Ltd , 富士通テン株式会社
发明人： KURONO YASUHIRO
IPC分类号： G01S13/68 , G01S13/34
CPC分类号： G01S3/465 , G01S3/74 , G01S7/352 , G01S13/345
摘要： PROBLEM TO BE SOLVED: To provide an arithmetic unit for a radar device capable of appropriately estimating an incoming direction without increasing the load of arithmetic processing, the radar device, and an arithmetic method and program for the radar device.SOLUTION: An arithmetic unit 15 for a radar device 1 which identifies a direction of a target on the basis of respective reception signals from a plurality of antennas 3 comprises an arithmetic section 6 which uses predetermined estimation algorithm for estimating angles of the target of the number corresponding to the separation possible number set in advance from the respective reception signals, generates a mode vector from an estimation angle of the target obtained by the predetermined estimation algorithm while setting an arbitrary separation possible number, and determines propriety of the set separation possible number on the bases of the magnitude of quadrature component calculated from the mode vector and an input vector of the respective reception signals.
摘要翻译：要解决的问题：提供一种能够适当地估计进入方向的雷达装置的运算单元，而不增加运算处理的负荷，雷达装置以及雷达装置的运算方法和程序。解决方案：用于基于来自多个天线3的各个接收信号来识别目标的方向的雷达装置1的运算单元15包括运算部6，其使用预定的估计算法来估计目标的角度从与各个接收信号预先设定的分离可能数相对应的数字从设定任意分离可能数的预定估计算法得到的目标的估计角度生成模式矢量，并且确定设定分离的适当性基于从模式向量计算的正交分量的大小和各个接收信号的输入向量的可能数。版权所有（C）2013，JPO＆INPIT

12. 发明专利

JP2011058974A Radar equipment 有权
标题翻译：雷达设备
公开(公告)号：JP2011058974A
公开(公告)日：2011-03-24
申请号：JP2009209597
申请日：2009-09-10
申请人： Fujitsu Ten Ltd , 富士通テン株式会社
发明人： SHINOMIYA TOMOHIRO , KURONO YASUHIRO
IPC分类号： G01S7/02 , G01S7/32 , G01S13/89
CPC分类号： G01S3/74 , G01S13/003 , H01Q21/22
摘要： PROBLEM TO BE SOLVED: To provide a radar device capable of detecting more precisely even when a target is moving during detection, while keeping the detection number of targets as large as possible. SOLUTION: In this radar device including a transmitting antenna group having a plurality of transmitting antennas, a receiving antenna group having a plurality of receiving antennas, and a transmission switching means for switching and transmitting successively a transmission wave from each transmitting antenna in the transmitting antenna group, when the transmission wave is transmitted successively, the receiving antenna group for receiving a reflected wave acquired by reflecting a transmission wave from each transmitting antenna by the target is allowed to function as a virtual sub-array corresponding to the transmitting antenna. Hereby, target detection is performed by applying a space averaging processing based on a relative position of each transmitting antenna subjected to transmission switching to the receiving antenna group, to virtual correlation values corresponding to a plurality of virtual sub-arrays. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供即使当目标在检测期间移动时也能够更精确地检测的雷达装置，同时保持目标的检测数量尽可能大。解决方案：在该雷达装置中，包括具有多个发送天线的发送天线组，具有多个接收天线的接收天线组，以及用于从每个发送天线连续切换和发送发送波的发送切换装置发送天线组当连续发送发送波时，允许通过用目标反射来自每个发送天线的发送波来接收反射波的接收天线组用作与发送天线对应的虚拟子阵列。因此，通过将经受发送切换的各发送天线的相对位置的空间平均处理应用于接收天线组，进行与多个虚拟子阵列对应的虚拟相关值的目标检测。版权所有（C）2011，JPO＆INPIT

13. 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

14. 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

15. 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

16. 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

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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