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    • 1. 发明申请
    • APPARATUS AND METHOD FOR RANGING
    • 装置和方法
    • US20080186224A1
    • 2008-08-07
    • US12024641
    • 2008-02-01
    • Hoshibumi IchiyanagiShinya TakenouchiYasuhiro SatohHiroyuki Numata
    • Hoshibumi IchiyanagiShinya TakenouchiYasuhiro SatohHiroyuki Numata
    • G01S13/00
    • G01S13/931G01S13/347G01S13/348G01S13/38G01S13/584G01S2013/9321G01S2013/9375
    • The measurement of the distance or/and the relative velocity with fast response is to be achieved while the accuracy of measurement of the distance to an object in close range is maintained. A calculation-execution determination section determines whether or not an object is present within a predetermined range from the strength of a two-frequency Doppler signal sent from an A/D converting section and past calculated distance sent from a calculation selecting section. If the object is outside the predetermined range, the distance calculated by an FFT-method calculating section is output from a calculation output section via an calculation selecting section. If the object is within the predetermined range, one of the distance calculated by a time-interval-method calculating section and the distance calculated by the FFT-method calculating section is selected by the calculation selecting section, and is output from the calculation output section. The invention can be applied to a fast response system such as a precrash system.
    • 距离或/和相对速度的测量是快速响应的,同时保持距离近距离物体距离的测量精度。 计算执行确定部分根据从A / D转换部分发送的双频多普勒信号的强度和从计算选择部分发送的经过计算的距离来确定对象是否在预定范围内。 如果对象在预定范围之外,则通过计算选择部从计算输出部输出由FFT方法计算部计算出的距离。 如果物体在预定范围内,则由计算选择部选择由时间间隔法计算部计算的距离和由FFT方法计算部计算出的距离之一,并从计算输出部输出 。 本发明可以应用于诸如预冲洗系统的快速响应系统。
    • 4. 发明授权
    • Measuring apparatus and measuring method
    • 测量装置和测量方法
    • US07330148B2
    • 2008-02-12
    • US11726858
    • 2007-03-23
    • Shinya TakenouchiHoshibumi IchiyanagiYasuhiro Satoh
    • Shinya TakenouchiHoshibumi IchiyanagiYasuhiro Satoh
    • G01S13/32G01S13/38
    • G01S13/38G01S13/536G01S13/584
    • A measuring apparatus for measuring a distance from an object to be measured has, a transmitting means for alternately modulating amplitudes of a first continuous wave having a first frequency and a second continuous wave having a second frequency for transmitting a transmission signal as a carrier wave using an AM signal. The AM signal is produced by an AM producing circuit for modulating the amplitudes. The transmission signal is reflected as a reflection signal by the object to be measured and received by a receiving circuit. A first distance calculating circuit calculates the distance using a phase difference between the first and second continuous waves. A second distance calculating circuit is used for demodulating the receipt signal, detecting a phase difference, and calculating a distance from the object to be measured using the detected phase difference. A determining circuit determines a final distance measurement based on the above calculations.
    • 用于测量与待测物体的距离的测量装置具有发送装置,用于交替地调制具有第一频率的第一连续波的振幅和具有第二频率的第二连续波,以便将发送信号作为载波发送,使用 AM信号。 AM信号由用于调制幅度的AM产生电路产生。 传输信号被接收电路所要测量的对象反射为反射信号。 第一距离计算电路使用第一和第二连续波之间的相位差来计算距离。 使用第二距离计算电路来解调接收信号,检测相位差,并使用检测到的相位差计算与被测量对象的距离。 确定电路基于上述计算确定最终距离测量。
    • 6. 发明申请
    • Measuring apparatus and measuring method
    • 测量装置和测量方法
    • US20070222670A1
    • 2007-09-27
    • US11726858
    • 2007-03-23
    • Shinya TakenouchiHoshibumi IchiyanagiYasuhiro Satoh
    • Shinya TakenouchiHoshibumi IchiyanagiYasuhiro Satoh
    • G01S13/08G01S13/42G01S13/93
    • G01S13/38G01S13/536G01S13/584
    • A measuring apparatus for measuring a distance from an object to be measured has, a transmitting means for alternately modulating amplitudes of a first continuous wave having a first frequency and a second continuous wave having a second frequency for transmitting a transmission signal as a carrier wave using an AM signal. The AM signal is produced by an AM producing circuit for modulating the amplitudes. The transmission signal is reflected as a reflection signal by the object to be measured and received by a receiving circuit. A first distance calculating circuit calculates the distance using a phase difference between the first and second continuous waves. A second distance calculating circuit is used for demodulating the receipt signal, detecting a phase difference, and calculating a distance from the object to be measured using the detected phase difference. A determining circuit determines a final distance measurement based on the above calculations.
    • 用于测量与待测物体的距离的测量装置具有发送装置,用于交替地调制具有第一频率的第一连续波的振幅和具有第二频率的第二连续波,以便将发送信号作为载波发送,使用 AM信号。 AM信号由用于调制幅度的AM产生电路产生。 传输信号被接收电路所要测量的对象反射为反射信号。 第一距离计算电路使用第一和第二连续波之间的相位差来计算距离。 使用第二距离计算电路来解调接收信号,检测相位差,并使用检测到的相位差计算与被测量对象的距离。 确定电路基于上述计算确定最终距离测量。
    • 7. 发明申请
    • MEASURING SYSTEM AND METHOD, MEASURING APPARATUS AND METHOD, AND INFORMATION PROCESSING APPARATUS AND METHOD
    • 测量系统和方法,测量装置和方法以及信息处理装置和方法
    • US20080117093A1
    • 2008-05-22
    • US11940039
    • 2007-11-14
    • Hoshibumi IchiyanagiShinya TakenouchiHideyuki Ohara
    • Hoshibumi IchiyanagiShinya TakenouchiHideyuki Ohara
    • G01S13/08G01S13/58
    • G01S13/584G01S7/354G01S7/4004G01S13/931G01S2007/356G01S2013/9325
    • A measurement system and a measuring method are provided in order to make a response and an accuracy of a Doppler system of a 2 frequency CW system or the like compatible with each other. A 2 frequency CW radar measures a relative speed and a distance between one's own vehicle and a measurement object by using a short time period sample data from a receiving signal to output as a high speed measurement result as a measurement of a high speed measurement mode. In parallel therewith, the frequency radar measures a relative speed and a distance between one's own vehicle and the measurement object by using a long period time sample data from the receiving signal to output as a low speed measurement result as a measurement of a low speed measurement mode. As a result, the processing operation apparatus can use the high speed measurement result when a processing of a high response is executed and can use the low speed measurement result otherwise. For example, the processing operation apparatus can also correct the high speed measurement result by using the low speed measurement result. The invention is applicable to a high response system of a pre-clash system or the like.
    • 提供了一种测量系统和测量方法,以便使彼此兼容的2频CW系统的多普勒系统的响应和精度。 2频CW雷达通过使用来自接收信号的短时间采样数据作为高速测量结果作为高速测量模式的测量来测量相对速度和自身车辆与测量对象之间的距离。 与此同时,频率雷达通过使用来自接收信号的长周期时间采样数据作为低速测量结果作为低速测量的测量来测量相对速度和自身车辆与测量对象之间的距离 模式。 结果,当执行高响应的处理时,处理操作装置可以使用高速测量结果,否则可以使用低速测量结果。 例如,处理运算装置也可以通过使用低速测量结果来校正高速测量结果。 本发明可应用于前冲突系统等的高响应系统。
    • 10. 发明授权
    • Radio detection device and method
    • 无线电检测装置及方法
    • US07868816B2
    • 2011-01-11
    • US12390200
    • 2009-02-20
    • Tetsuo NishidaiHideyuki OharaHoshibumi IchiyanagiHiroyuki Numata
    • Tetsuo NishidaiHideyuki OharaHoshibumi IchiyanagiHiroyuki Numata
    • G01S13/44
    • G01S3/32
    • A radio detection device includes two or more reception antennas, for detecting a detecting object by a mono-pulse method; the radio detection device including: a variable gain unit for discretely changing respective signal intensity of a difference signal and a sum signal of each reception signal received by the two or more reception antennas; an A/D conversion unit for performing A/D conversion process on the difference signal or the sum signal, the difference signal or the sum signal having the signal intensity changed by the variable gain unit; an angle calculating portion for calculating an angle by the mono-pulse method using the difference signal and the sum signal after the A/D conversion process by the A/D conversion unit; and a control unit for performing a control of individually switching a conversion magnification of the signal intensity by the variable gain unit with respect to the difference signal and the sum signal.
    • 无线电检测装置包括两个或更多个接收天线,用于通过单脉冲方法检测检测对象; 无线检测装置包括:可变增益单元,用于离散地改变差信号的各个信号强度和由两个或更多个接收天线接收的每个接收信号的和信号; A / D转换单元,用于对差分信号或和信号执行A / D转换处理,差分信号或具有由可变增益单元改变的信号强度的和信号; 角度计算部分,用于通过使用差分信号的单脉冲方法和由A / D转换单元进行A / D转换处理之后的和信号来计算角度; 以及控制单元,用于执行相对于差信号和和信号单独切换可变增益单元的信号强度的转换倍数的控制。