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公开(公告)号：US20170363732A1
公开(公告)日：2017-12-21
申请号：US15608232
申请日：2017-05-30
Applicant: FUJITSU TEN LIMITED
Inventor： Hiroyuki ISHIMORI , Hiroki ISHIKAWA
CPC classification number: G01S13/524 , G01S7/024 , G01S7/354 , G01S7/40 , G01S13/345 , G01S13/723 , G01S13/878 , G01S13/90 , G01S13/931 , G01S2013/9375
Abstract: There is provided a radar device that calculates an angle of a target based on a phase difference between reception signals obtained by receiving reflected waves from the target. A transmitting unit alternately transmits first and second transmission waves having different beam patterns. A calculating unit calculates reception levels of the reception signals, and an estimate angle at which the target is estimated to exist. A first determining unit determines a degree of reliability of a level difference between the reception levels, on the basis of a comparison between the level difference with a reference value which is associated with the estimate angle in advance. A second determining unit determines whether the target exists at the estimate angle, on the basis of a determination result and the reception level based on the first transmission wave.
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公开(公告)号：US20150309169A1
公开(公告)日：2015-10-29
申请号：US14693222
申请日：2015-04-22
Applicant: FUJITSU TEN LIMITED
Inventor： Jun ITOH , Hiroyuki ISHIMORI
CPC classification number: G01S13/04 , B60W30/16 , G01S7/41 , G01S13/345 , G01S13/726 , G01S13/88 , G01S13/931 , G01S2013/9321 , G01S2013/9346 , G01S2013/935 , G01S2013/9353 , G01S2013/9375
Abstract: A radar apparatus is configured to set a first target to be a non-output object with respect to a control apparatus of a host vehicle in a case where the first target (1) has a fore-and-aft distance from the host vehicle that is larger than a fore-and-aft distance from the host vehicle of a second target and (2) has a predetermined dependency to be an accessory portion which belongs to a same vehicle as the second target. The radar apparatus includes a signal processor configured to: determine whether or not the second target is present in an own lane of the host vehicle; determine whether or not the second target is changing a lane; and set the first target to be an output object with respect to the control apparatus of the host vehicle in a case where the second target is changing the lane from the own lane.
Abstract translation: 在第一目标（1）具有与本车辆的前后距离的情况下，雷达装置被配置为将第一目标相对于主车辆的控制装置设置为非输出对象， 大于与第二目标的主车辆的前后距离，（2）具有作为与第二目标相同的车辆的附属部分的预定依赖关系。 雷达装置包括：信号处理器，被配置为：确定第二目标是否存在于本车辆的自身车道中; 确定第二目标是否正在改变车道; 并且在第二目标从本车道改变车道的情况下，将第一目标设定为相对于主车辆的控制装置的输出对象。
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公开(公告)号：US20140159946A1
公开(公告)日：2014-06-12
申请号：US14071906
申请日：2013-11-05
Applicant: FUJITSU TEN LIMITED
Inventor： Hisateru ASANUMA , Hiroyuki ISHIMORI
IPC: G01S13/93
CPC classification number: G01S13/931 , G01S13/34 , G01S13/345 , G01S13/93
Abstract: There is provided a radar apparatus configured to extract peak signals which are obtained from a difference frequency between a transmission signal and a reception signal, and to derive information of the target on the basis of the extracted peak signals. A prediction unit predicts this time peak signal based on a peak signal obtained in previous time. An extraction unit extracts this time peak signal corresponding to the predicted peak signal from peak signals existing within a predetermined frequency range. The extraction unit extends the frequency range when this time peak signal corresponding to the predicted peak signal does not exist within the predetermined frequency range.
Abstract translation: 提供了一种雷达装置，被配置为提取从发送信号和接收信号之间的差分频率获得的峰值信号，并且基于所提取的峰值信号导出目标的信息。 预测单元基于先前获得的峰值信号预测该时间峰值信号。 提取单元从存在于预定频率范围内的峰值信号中提取与预测峰值信号对应的该时间峰值信号。 当与预测峰值信号对应的该时间峰值信号不存在于预定频率范围内时，提取单元扩展频率范围。
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公开(公告)号：US20130222176A1
公开(公告)日：2013-08-29
申请号：US13731807
申请日：2012-12-31
Applicant: FUJITSU TEN LIMITED
Inventor： Hiroyuki ISHIMORI , Masayuki KISHIDA
CPC classification number: G01S13/931 , G01S13/345 , G01S13/584 , G01S2013/9321 , G01S2013/9325 , G01S2013/9346 , G01S2013/935 , G01S2013/9353 , G01S2013/9375 , G01S2013/9389
Abstract: A signal processor is configured to: derive, using a first process, at least one of a distance and a relative speed included in the object data set; and derive, using a second process different from the first process, at least one of the distance and the relative speed included in the object data set when the distance included in the object data set is below a predetermined distance.
Abstract translation: 信号处理器被配置为：使用第一处理来导出包括在对象数据集中的距离和相对速度中的至少一个; 并且当包含在对象数据集中的距离低于预定距离时，使用与第一处理不同的第二处理，导出包括在对象数据集中的距离和相对速度中的至少一个。
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公开(公告)号：US20170363717A1
公开(公告)日：2017-12-21
申请号：US15602545
申请日：2017-05-23
Applicant: FUJITSU TEN LIMITED
Inventor： Hiroyuki ISHIMORI , Daisuke NISHIO
Abstract: There is provided a radar device. An estimating unit estimates peak signals corresponding to a target in the latest periods of each of UP and DOWN beat sections of a beat signal on the basis of histories of peak signals corresponding to the target in past periods of the UP and DOWN beat sections. A pairing unit extracts peak signals within predetermined ranges defined with reference to the estimate peak signals on the basis of the histories, and pairs the extracted peak signals. In a case where a distance to the target is equal to or shorter than a predetermined value, the pairing unit extracts peak signals corresponding to the target, from a first range which is a predetermined angular range defined with reference to the estimate peak signals, or a second range which is a predetermined transverse position range defined with reference to the estimate peak signals.
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Patent Agency Ranking
公开(公告)号：US20150309171A1
公开(公告)日：2015-10-29
申请号：US14692046
申请日：2015-04-21
Applicant: FUJITSU TEN LIMITED
Inventor： Hiroyuki ISHIMORI
CPC classification number: G01S13/931 , B60W30/09 , G01S7/41 , G01S7/415 , G01S13/345 , G01S13/726 , G01S2013/9321 , G01S2013/9346 , G01S2013/9353 , G01S2013/9375
Abstract: A radar apparatus includes a signal processor configured to: derive the target data set of the target, in a predetermined time cycle, based on a reception signal acquired by receiving a reflection wave from the target; detect, based on the target data set, a side wall along a current lane in which the host vehicle is traveling; determine whether or not there is a continuity between a previous target data set and a latest target data set, and in a case where there is no continuity between the previous target data set and the latest target data set, perform “extrapolation;” determine based on a frequency of the “extrapolation” whether or not the target associated with the target data set is an upper object overhead of the vehicle and with which the vehicle cannot collide.
Abstract translation: 雷达装置包括：信号处理器，被配置为：基于通过从目标接收反射波而获取的接收信号，在预定的时间周期中导出目标的目标数据集; 基于目标数据集检测沿着本车辆行驶的当前车道的侧壁; 确定先前目标数据集与最新目标数据集之间是否存在连续性，并且在前一目标数据集与最新目标数据集之间不存在连续性的情况下，执行“外插” 在“外推”的频率上，与目标数据集相关联的目标是否是车辆的上部物体开销，并且车辆不能与其碰撞。
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公开(公告)号：US20140292559A1
公开(公告)日：2014-10-02
申请号：US14103481
申请日：2013-12-11
Applicant: FUJITSU TEN LIMITED
Inventor： Hisateru ASANUMA , Hiroyuki ISHIMORI
IPC: G01S13/06
CPC classification number: G01S13/06 , G01S13/345 , G01S13/536 , G01S13/726 , G01S13/931 , G01S2013/462 , G01S2013/9375
Abstract: There is provided a radar apparatus capable of emitting a transmission wave relating to a transmitting signal which is frequency-modulated, and receiving a reflection wave coming from a target at which the transmission wave is reflected as a receiving signal, to derive at least position information of the target based on the receiving signal. A deriving unit derives a fluctuation value of a signal level relating to the receiving signal for a stationary target among the targets. A calculating unit calculates a fluctuation integrated value integrated by the fluctuation value. A judging unit judges the stationary target as a target other than a control subject if the fluctuation integrated value is below a predetermined threshold.
Abstract translation: 提供了一种雷达装置，其能够发射与被调频的发送信号有关的发送波，并且接收来自发送波被反射的目标的反射波作为接收信号，以至少得到位置信息 基于接收信号的目标。 导出单元导出与目标中的固定目标的接收信号相关的信号电平的波动值。 计算单元计算通过波动值积分的波动积分值。 如果波动积分值低于预定阈值，判断单元将该静止目标判定为除控制对象以外的目标。
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公开(公告)号：US20140159948A1
公开(公告)日：2014-06-12
申请号：US14071808
申请日：2013-11-05
Applicant: FUJITSU TEN LIMITED
Inventor： Hiroyuki ISHIMORI , Masayuki KISHIDA , Hisateru ASANUMA , Masatoshi AOKI
IPC: G01S7/41
CPC classification number: G01S7/41 , G01S7/03 , G01S7/354 , G01S13/345 , G01S13/42 , G01S13/726 , G01S13/931
Abstract: There is provided a radar apparatus. A derivation unit derives target information which is information relating to a target detected on the basis of a transmission signal of which a frequency changes with a predetermined cycle and a reception signal corresponding to a reflected wave coming from an object at which a transmission wave corresponding to the transmission signal is reflected. A determination unit determines reliability of the target information. A decision unit decides whether the detected target is true or false, based on the target information. The decision unit changes a method of deciding whether the target is true or false in accordance with a determination result of the reliability by the determination unit.
Abstract translation: 提供了雷达装置。 导出单元导出目标信息，该目标信息是基于频率以预定周期改变的发送信号检测到的目标信息，以及对应于来自对象的反射波的接收信号， 传输信号被反射。 确定单元确定目标信息的可靠性。 决定单元基于目标信息来判定检测到的目标是真还是假。 决定单元根据确定单元的可靠性的确定结果改变确定目标是真还是假的方法。
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公开(公告)号：US20170363718A1
公开(公告)日：2017-12-21
申请号：US15599808
申请日：2017-05-19
Applicant: FUJITSU TEN LIMITED
Inventor： Hiroyuki ISHIMORI
CPC classification number: G01S7/40 , G01S7/4026 , G01S13/34 , G01S13/345 , G01S13/50 , G01S13/536 , G01S13/584 , G01S13/931 , G01S2007/356 , G01S2007/4034 , G01S2007/4091
Abstract: There is provided a radar device which is mounted on a moving object and configured to detect a target on the basis of reception signals acquired by receiving reflected waves from the target by receiving antennae. A transmitting unit has a transmission axis substantially parallel to a traveling direction of the moving object. The transmitting unit is configured to transmit transmission waves around the transmission axis as a center thereof. A determining unit is configured to determine upward axis misalignment or downward axis misalignment of the transmission axis, on the basis of the reception signals acquired by receiving the reflected waves of the transmission waves.
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公开(公告)号：US20150309172A1
公开(公告)日：2015-10-29
申请号：US14692144
申请日：2015-04-21
Applicant: FUJITSU TEN LIMITED
Inventor： Shota MORI , Hiroyuki ISHIMORI
CPC classification number: G01S13/931 , B60W30/09 , G01S7/41 , G01S7/415 , G01S13/345 , G01S2013/9321 , G01S2013/9346 , G01S2013/935 , G01S2013/9353 , G01S2013/9375
Abstract: A radar apparatus is configured to derive information of a target in a vicinity of a host vehicle. The radar apparatus comprising a signal processor configured to: determine whether or not the target is a standstill object having an absolute speed less than a predetermined speed, determine whether or not the target determined as the standstill object is an upper object overhead of the host vehicle and with which the host vehicle cannot collide, and determine whether or not an environment for deriving target information is an adverse environment based on a frequency of determining existence of the upper object that also is the standstill object.
Abstract translation: 雷达装置被配置为导出本车辆附近的目标的信息。 所述雷达装置包括：信号处理器，被配置为：确定所述目标是否是具有小于预定速度的绝对速度的停止对象，确定被确定为所述停止对象的目标是否是所述主车辆的上位对象开销 并且主车辆不能与其碰撞，并且基于确定也是停止物体的上部物体的存在的频率来确定用于导出目标信息的环境是否是不利环境。
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