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1. 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

2. 发明专利

JP2009080024A Detection and ranging apparatus and method 审中-公开
标题翻译：检测和范围设备和方法
公开(公告)号：JP2009080024A
公开(公告)日：2009-04-16
申请号：JP2007249822
申请日：2007-09-26
申请人： Fujitsu Ltd , Fujitsu Ten Ltd , 富士通テン株式会社 , 富士通株式会社
发明人： SHIRAKAWA KAZUO , OGUCHI KATSUYUKI , KONDO YASUYUKI
IPC分类号： G01S13/28 , G01S13/34
CPC分类号： G01S13/325 , G01S7/032 , G01S13/34 , G01S13/87 , G01S13/931 , G01S2013/0254
摘要： PROBLEM TO BE SOLVED: To enable high-accuracy measurement by eliminating adverse effects associated with time division processing by switching, in a detection and ranging apparatus that performs direction-of-arrival estimation using a sensor array and that enlarges an effective aperture using a plurality of transmitting sensors. SOLUTION: A transmitter wave is spread in modulators 16 1 , 16 2 by using mutually orthogonal codes, and the waves are radiated from transmitting sensors A T1 , A T2 . Signals received by receiving sensors A R1 -A RN are each split by a splitter 24 1 , 24 2 into two parts, which are then respectively despread in a demodulator 26 11 -26 2N by using the same codes as those used on the transmission side. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过在使用传感器阵列执行到达方向估计的检测和测距装置中消除与分时处理相关的不利影响来实现高精度测量，并且扩大有效孔径使用多个发送传感器。解决方案：通过使用相互正交的代码，发射机波在调制器16，SB，16，SB，2中扩展，波从发送传感器A T1 ，A T2 。通过接收传感器A R1 -A RN 接收的信号分别由分离器24 2 2 分成24 然后通过使用与在发送侧使用的代码相同的代码，分别在解调器26＆lt; SB＆gt; -26＆lt; SB＆gt; 2N＆lt; / SB>中解扩两部分。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2007263915A Onboard radar device and onboard radar control system 有权
标题翻译： ONBOARD雷达设备和ONBOARD雷达控制系统
公开(公告)号：JP2007263915A
公开(公告)日：2007-10-11
申请号：JP2006092964
申请日：2006-03-30
申请人： Fujitsu Ltd , Fujitsu Ten Ltd , 富士通テン株式会社 , 富士通株式会社
发明人： HONDA KANAKO , ISAJI OSAMU , SHIRAKAWA KAZUO , OKUBO HISAFUMI , SEKI TETSUO
IPC分类号： G01S13/91 , G01S13/34
CPC分类号： G01S7/36 , G01S7/023 , G01S13/34 , G01S13/345 , G01S13/931 , G01S2013/936
摘要： PROBLEM TO BE SOLVED: To provide an onboard radar device which performs transmission control on an observation signal, according to a predetermined rule so that the interferences with other radar system are surely avoided.
SOLUTION: In an onboard radar device, having a transceiving unit which transmits and receives the observation signal by a predetermined frequency band, and a priority transmitting unit which transmits a signal of priority at a frequency in the frequency band, the transceiving unit receives a signal of the priority order of other onboard radar device. When an interference, with a signal of other onboard radar device is detected, a frequency band of the observation signal which the transceiving unit transmits is shifted by a predetermined frequency.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种根据预定规则对观测信号执行传输控制的车载雷达装置，以便可靠地避免与其他雷达系统的干扰。解决方案：在具有以预定频带发送和接收观测信号的收发单元的机载雷达设备和发送频带中的频率的优先级信号的优先发送单元的情况下，收发单元接收其他机载雷达设备的优先顺序信号。当检测到具有其他机载雷达装置的信号的干扰时，收发单元发送的观测信号的频带偏移预定频率。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2014052187A Rader apparatus, and target height calculation method 有权
标题翻译：雷达设备和目标高度计算方法
公开(公告)号：JP2014052187A
公开(公告)日：2014-03-20
申请号：JP2012194537
申请日：2012-09-04
申请人： Fujitsu Ten Ltd , 富士通テン株式会社 , Fujitsu Ltd , 富士通株式会社
发明人： KURONO YASUHIRO , SHIRAKAWA KAZUO , OHASHI YOJI
IPC分类号： G01S13/44 , G01S7/02
CPC分类号： G01S13/88 , G01S7/354 , G01S7/4026 , G01S13/42 , G01S13/584 , G01S13/931 , G01S2007/4034 , G01S2007/4091 , G01S2013/462 , G01S2013/9364 , G01S2013/9367 , G01S2013/9375 , G01S2013/9378
摘要： PROBLEM TO BE SOLVED: To appropriately recognize a target only in front without erroneously detecting a road poster and a fallen object.SOLUTION: An onboard rader device 10 calculates a real image vertical azimuth which is an azimuth of the real image on the ground from a reflection wave reflected on a target by a transmission wave transmitted from a transmission antenna as the vertical azimuth which is the azimuth of the target in a vertical direction to the ground, and further calculates a virtual image vertical azimuth which is reflected on the target by the transmission wave transmitted from the transmission antenna and which is an azimuth of the virtual image existing under the ground from the reflection wave reflected on the ground. Meanwhile, the onboard radar device 10 calculates an angle difference between the calculated real image vertical azimuth and the virtual image vertical azimuth, and calculates a height of the target from the ground using the calculated angle difference.
摘要翻译：要解决的问题：仅在前面恰当地识别目标，而不会错误地检测道路海报和坠落的物体。解决方案：车载放大器装置10计算作为地面上的实际图像的方位角的实际图像垂直方位角通过从发送天线发送的发送波作为目标在垂直方向上的方位角的垂直方位角在地面上反射的反射波，并且进一步计算由目标的反射的虚拟图像垂直方位角发送波从发送天线发送，并且是从地面上反射的反射波而存在于地面下的虚拟图像的方位角。同时，车载雷达装置10计算所计算的实际垂直方位角和虚拟垂直方位角之间的角度差，并且使用所计算的角度差来计算目标从地面的高度。

5. 发明专利

JP2013007756A Detection and ranging apparatus, and detection and ranging method 有权
标题翻译：检测和定位装置，检测和范围方法
公开(公告)号：JP2013007756A
公开(公告)日：2013-01-10
申请号：JP2012195206
申请日：2012-09-05
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 , OGUCHI KATSUYUKI , KONDO YASUYUKI
IPC分类号： G01S7/02 , G01S7/40 , G01S13/34
摘要： PROBLEM TO BE SOLVED: To enable high-accuracy measurement by eliminating harmful influence associated with time division processing by switching, in a detection and ranging apparatus that performs direction-of-arrival estimation by using a sensor array and that enlarges an effective aperture by using a plurality of transmitting sensors.SOLUTION: A transmission wave is spread in modulators 16, 16by using mutually orthogonal codes, and the waves are radiated from transmitting sensors A, A. Signals received by receiving sensors A-Aare each split by a splitter 24, 24into two parts, and the two parts are then respectively despread in a demodulator 26-26by using the same codes as the codes used on a transmission side.
摘要翻译：要解决的问题：通过在通过使用传感器阵列执行到达方向估计的检测和测距装置中消除与通过切换的时分处理有关的有害影响来实现高精度测量，并且扩大有效通过使用多个发送传感器。解决方案：通过使用相互正交的代码，传输波在调制器16 1 ，16 2 中扩展，从发送传感器A T1 ，A T2 发射。通过接收传感器A R1 -A RN 接收的信号分别由分离器24 1 ，24 2 分成两部分，然后将两部分分别在解调器26中解扩。 2N 通过使用与发送侧使用的代码相同的代码。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2012103132A Radar device 有权
标题翻译：雷达设备
公开(公告)号：JP2012103132A
公开(公告)日：2012-05-31
申请号：JP2010252311
申请日：2010-11-10
申请人： Fujitsu Ltd , Fujitsu Ten Ltd , 富士通テン株式会社 , 富士通株式会社
发明人： KURONO YASUHIRO , SHIRAKAWA KAZUO
IPC分类号： G01S13/42 , G01S7/02
CPC分类号： G01S13/42 , G01S3/74 , G01S13/931 , G01S2013/0245
摘要： PROBLEM TO BE SOLVED: To solve such a problem that processing time of a signal in a conventional ESPRIT method is very long.SOLUTION: A radar device includes; a signal vector generation part which generates a signal vector based on a reflection wave received from a target using a plurality of receiving antennas; a partial matrix generation part which generates a partial matrix based on the signal vector; a regular matrix operation part which calculates a regular matrix from the partial matrix; a characteristic value operation part which calculates a characteristic value of the regular matrix; and an angle calculation part which calculates an angle at which the target exists from the characteristic value.
摘要翻译：要解决的问题：为了解决常规ESPRIT方法中的信号的处理时间非常长的问题。解决方案：雷达装置包括：信号矢量生成部，其使用多个接收天线，基于从目标接收的反射波生成信号矢量; 基于所述信号矢量生成部分矩阵的部分矩阵生成部; 规则矩阵运算部分，从部分矩阵中计算规则矩阵; 特征量运算部，计算所述规则矩阵的特征值; 以及角度计算部，其从所述特征值计算所述目标存在的角度。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2006258529A Device and method for estimating radio wave incoming direction 审中-公开
标题翻译：用于估计无线电波入射方向的装置和方法
公开(公告)号：JP2006258529A
公开(公告)日：2006-09-28
申请号：JP2005074527
申请日：2005-03-16
申请人： Fujitsu Ltd , Fujitsu Ten Ltd , 富士通テン株式会社 , 富士通株式会社
发明人： DOBASHI TAKEKI , SEIKE YASUSHI , SHIRAKAWA KAZUO , SHIN KAGETAMI
IPC分类号： G01S3/74 , G01S3/46 , G01S7/02
CPC分类号： G01S3/74
摘要： PROBLEM TO BE SOLVED: To provide a device and method for estimating a radio wave incoming direction capable of estimating accurately at high speed the incoming direction of a plurality of incoming waves having close correlation. SOLUTION: The device includes an array antenna constituted of a plurality of antenna elements, a receiver for receiving the incoming waves through each antenna element, a correlation matrix computing unit 22 for operating a correlation matrix from each received signal, a correction matrix adder 24 for adding a correction matrix having a proper correction value in a specific matrix element to the operated correlation matrix, an inverse matrix computing unit 26 for operating an inverse matrix of the correlation matrix to which the correction matrix is added, a weight vector computing unit 28 for operating a weight vector based on the operated inverse matrix, an angle spectrum computing unit 30 for operating an angle spectrum by using the operated weight vector, and an incoming direction estimator 32 for estimating the incoming direction of the incoming wave from a peak waveform of the operated angle spectrum. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种用于估计无线电波进入方向的装置和方法，能够高精度地估计具有紧密相关性的多个入射波的输入方向。解决方案：该装置包括由多个天线元件构成的阵列天线，用于通过每个天线元件接收入射波的接收器，用于从每个接收信号操作相关矩阵的相关矩阵计算单元22，校正矩阵加法器24，用于将具有特定矩阵元素的适当校正值的校正矩阵与所操作的相关矩阵相加;逆矩阵计算单元26，用于操作相关矩阵的逆矩阵，校正矩阵被加到该矩阵的加法矢量计算用于基于所操作的逆矩阵来操作加权矢量的单元28，用于通过使用所操作的权重向量来操作角度谱的角度谱计算单元30和用于从峰值估计入射波的输入方向的输入方向估计器32 操作角谱波形。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2009133875A Onboard radar device and onboard radar control system 有权
标题翻译： ONBOARD雷达设备和ONBOARD雷达控制系统
公开(公告)号：JP2009133875A
公开(公告)日：2009-06-18
申请号：JP2009069704
申请日：2009-03-23
申请人： Fujitsu Ltd , Fujitsu Ten Ltd , 富士通テン株式会社 , 富士通株式会社
发明人： HONDA KANAKO , ISAJI OSAMU , SHIRAKAWA KAZUO , OKUBO HISAFUMI , SEKI TETSUO
IPC分类号： G01S13/93 , G01S13/34 , G01S13/91
摘要： PROBLEM TO BE SOLVED: To provide an onboard radar device which performs transmission control of observation signals according to a certain rule configured to certainly avoid interference with other radar devices. SOLUTION: In the onboard radar device which includes a transceiving part transceiving the observation signals at a predetermined frequency band and a priority order transmitting part transmitting a priority order signal at a frequency in the frequency band, when interference with the signals of another onboard radar device is detected after the transceiving part receives the priority order signal of the other onboard radar device, the frequency band of the observation signals transmitted by the transceiving part is shifted a predetermined amount of frequency based on the priority order of the other device and the priority order of the device itself. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种车载雷达装置，其根据被配置为肯定避免与其他雷达装置的干扰的特定规则执行观测信号的传输控制。解决方案：在车载雷达设备中，包括收发部分收发在预定频带的观测信号，以及优先顺序发送部分以频带的频率发送优先级顺序信号，当与其他信号相干扰时在收发部分接收到另一个机载雷达装置的优先顺序信号之后检测到机载雷达装置，由收发部分发送的观测信号的频带基于另一装置的优先级顺序移动预定量的频率，设备本身的优先顺序。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008064743A Vehicular radar device 审中-公开
标题翻译：车辆雷达装置
公开(公告)号：JP2008064743A
公开(公告)日：2008-03-21
申请号：JP2007189483
申请日：2007-07-20
申请人： Fujitsu Ltd , Fujitsu Ten Ltd , 富士通テン株式会社 , 富士通株式会社
发明人： DOBASHI TAKEKI , SHIMA NOBUKAZU , SHIRAKAWA KAZUO
IPC分类号： G01S13/93 , G08G1/16
摘要： PROBLEM TO BE SOLVED: To prevent detection of leakage of a vehicle in front of own vehicle from being left out, and recognition of an obstacle as a vehicle, in relation to a vehicular radar device mounted on a vehicle. SOLUTION: The vehicular radar device 1 comprises a signal processing section 19 that divides the relative angle detection range of the object to own vehicle into three regions or more and sets an appropriate threshold in each region, in response to requirements, such as road information, such as, a road curves and distinction between general road and expressway, traveling speed of own vehicle, changes in road conditions due to weather conditions, and the specific running environment in which own vehicle is in. The radar device allows the driver in own vehicle to distinguish the vehicle traveling in front of own vehicle on the same lane from the obstacle, and prevents detection of the obstacle from being left out. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：相对于安装在车辆上的车辆雷达装置，防止本车辆前方的车辆的泄漏检测被遗漏，以及作为车辆的障碍物的识别。解决方案：车辆雷达装置1包括信号处理部分19，该信号处理部分19将对象的本身的车辆的相对角度检测范围划分为三个或更多个区域，并根据要求在每个区域中设定适当的阈值，例如公路信息，道路曲线，一般道路与高速公路之间的区别，本车的行驶速度，天气条件导致的道路状况变化，以及本车辆的具体运行环境。雷达装置允许驾驶员在本车辆中，将与车辆相同的车道前方行驶的车辆与障碍物区分开，防止障碍物的检测被排除。版权所有（C）2008，JPO＆INPIT

10. 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

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