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    Laser radar system
    4.
    发明授权
    Laser radar system 有权
    激光雷达系统

    公开(公告)号：US09007600B2

    公开(公告)日：2015-04-14

    申请号：US13640157

    申请日：2011-04-18

    申请人： Masaharu Imaki ,  Shumpei Kameyama ,  Akihito Hirai ,  Kimio Asaka ,  Yoshihito Hirano

    发明人： Masaharu Imaki ,  Shumpei Kameyama ,  Akihito Hirai ,  Kimio Asaka ,  Yoshihito Hirano

    IPC分类号： G01B11/24 ,  G01S17/93 ,  G01S17/89 ,  G01S7/481 ,  G01S17/10 ,  G01S17/42

    CPC分类号： G01S17/936 ,  G01S7/4816 ,  G01S17/10 ,  G01S17/42 ,  G01S17/89

    摘要： A laser radar system includes: a scanner for transmitting a pulse toward a target while two-dimensionally scanning a transmitting beam, and outputting scan angle information; a lens of the receiver for receiving received light; a high aspect photo detector array for converting the received light into a received signal; a transimpedance amplifier array for amplifying the received signal; an adder circuit for adding the received signal from each element of the transimpedance amplifier array; a distance detecting circuit for measuring a light round-trip time to the target of an output signal from the adder circuit; and a signal processing unit for causing the scanner to perform a two-dimensional scanning operation in association with the scan angle information, to determine distances to multiple points on the target based on the light round-trip time and a speed of light and measure a three-dimensional shape of the target.

    摘要翻译： 激光雷达系统包括：扫描器，用于在二维扫描发送光束的同时向目标发射脉冲，并输出扫描角度信息; 用于接收接收光的接收器的透镜; 用于将接收的光转换成接收信号的高方位光电检测器阵列; 跨阻放大器阵列，用于放大接收信号; 加法器电路，用于将来自跨阻抗放大器阵列的每个元件的接收信号相加; 距离检测电路，用于测量来自加法器电路的输出信号的目标的光往返时间; 以及信号处理单元，用于使扫描仪与扫描角度信息相关联地执行二维扫描操作，以基于光的往返时间和光速来确定到目标​​上的多个点的距离，并且测量 目标的三维形状。

    LASER RADAR SYSTEM
    5.
    发明申请
    LASER RADAR SYSTEM 有权
    激光雷达系统

    公开(公告)号：US20130027715A1

    公开(公告)日：2013-01-31

    申请号：US13640157

    申请日：2011-04-18

    申请人： Masaharu Imaki ,  Shumpei Kameyama ,  Akihito Hirai ,  Kimio Asaka ,  Yoshihito Hirano

    发明人： Masaharu Imaki ,  Shumpei Kameyama ,  Akihito Hirai ,  Kimio Asaka ,  Yoshihito Hirano

    IPC分类号： G01C3/08 ,  G01B11/24

    CPC分类号： G01S17/936 ,  G01S7/4816 ,  G01S17/10 ,  G01S17/42 ,  G01S17/89

    摘要： A laser radar system includes: a scanner for transmitting a pulse toward a target while two-dimensionally scanning a transmitting beam, and outputting scan angle information; a lens of the receiver for receiving received light; a high aspect photo detector array for converting the received light into a received signal; a transimpedance amplifier array for amplifying the received signal; an adder circuit for adding the received signal from each element of the transimpedance amplifier array; a distance detecting circuit for measuring a light round-trip time to the target of an output signal from the adder circuit; and a signal processing unit for causing the scanner to perform a two-dimensional scanning operation in association with the scan angle information, to determine distances to multiple points on the target based on the light round-trip time and a speed of light and measure a three-dimensional shape of the target.

    摘要翻译： 激光雷达系统包括：扫描器，用于在二维扫描发送光束的同时向目标发射脉冲，并输出扫描角度信息; 用于接收接收光的接收器的透镜; 用于将接收的光转换成接收信号的高方位光电检测器阵列; 跨阻放大器阵列，用于放大接收信号; 加法器电路，用于将来自跨阻抗放大器阵列的每个元件的接收信号相加; 距离检测电路，用于测量来自加法器电路的输出信号的目标的光往返时间; 以及信号处理单元，用于使扫描仪与扫描角度信息相关联地执行二维扫描操作，以基于光的往返时间和光速来确定到目标​​上的多个点的距离，并且测量 目标的三维形状。

    Laser detection and ranging apparatus
    6.
    发明授权
    Laser detection and ranging apparatus 有权
    激光检测和测距仪

    公开(公告)号：US07274437B2

    公开(公告)日：2007-09-25

    申请号：US10510983

    申请日：2003-02-19

    申请人： Shumpei Kameyama ,  Yoshihito Hirano

    发明人： Shumpei Kameyama ,  Yoshihito Hirano

    IPC分类号： G01C3/08

    CPC分类号： G01S17/95 ,  G01S17/58 ,  G01S17/936 ,  Y02A90/19

    摘要： In a laser detecting and ranging apparatus in which a light signal is intensity-modulated with a modulating frequency consisting of a frequency in the microwave band for thereby detecting a Doppler frequency relating to the modulating frequency, high reception sensitivity is realized.The apparatus comprises a light transmitting unit for transmitting a light signal from a light source 1 as a transmitted beam L1 into the atmosphere, a light receiving means for receiving a light beam L2 from the atmosphere as a received light, an oscillator 10 for outputting a modulating signal having at least one modulating frequency as a carrier frequency, and a signal processing unit 12 for detecting properties of the atmosphere on the basis of the received light, wherein the light transmitting unit includes a light intensity modulator 2 for performing intensity modulation on the light signal from the light source 1 with the modulating signal, and wherein the signal receiving means includes an optical frequency conversion means 9 for converting the frequency of the intensity-modulated component of the received light to a base-band frequency, and an optical detection means 11 for directly detecting an output signal from the optical frequency conversion means 9 to thereby convert into an electric signal to be subsequently inputted to the signal processing unit 12.

    摘要翻译： 在激光检测和测距装置中，光信号用由微波频带中的频率组成的调制频率进行强度调制，从而检测与调制频率相关的多普勒频率，实现了高接收灵敏度。 该装置包括用于将来自作为透射光束L 1的光源1的光信号传输到大气中的光发送单元，用于接收来自大气中的光束L 2作为接收光的光接收装置，用于 输出具有至少一个调制频率作为载波频率的调制信号，以及信号处理单元12，用于根据接收到的光检测气氛的属性，其中光发射单元包括用于进行强度调制的光强度调制器2 对来自光源1的光信号具有调制信号，并且其中信号接收装置包括用于将接收光的强度调制分量的频率转换为基带频率的光频变换装置9，以及 光检测装置11，用于直接检测来自光频变换装置9的输出信号，从而转换i n到随后输入到信号处理单元12的电信号。

    Coherent laser radar
    7.
    发明申请
    Coherent laser radar 有权
    相干激光雷达

    公开(公告)号：US20060071846A1

    公开(公告)日：2006-04-06

    申请号：US10520128

    申请日：2003-05-30

    申请人： Yakayuki Yanagisawa ,  Syuhei Yamamoto ,  Yoshihito Hirano ,  Shumpei Kameyama ,  Toshiyuki Ando

    发明人： Yakayuki Yanagisawa ,  Syuhei Yamamoto ,  Yoshihito Hirano ,  Shumpei Kameyama ,  Toshiyuki Ando

    IPC分类号： G01S13/00

    CPC分类号： G01S7/481 ,  G01S7/48 ,  G01S7/4811 ,  G01S7/4813 ,  G01S7/4818 ,  G01S7/484 ,  G01S7/499 ,  G01S17/06 ,  G01S17/95 ,  G02F1/39 ,  Y02A90/19

    摘要： To obtain a coherent laser radar device that realizes high reliability and the high output of a transmitted light, the device includes a first optical coupler that branches a laser beam from a laser source into two lights, a local light and a transmitted light, an optical modulator that modulates the transmitted light, a space type optical amplifier that amplifies the modulated transmitted light, a transmitting/receiving optical system that applies the amplified transmitted light toward a target and receives a scattered light from the target, a transmitting/receiving light splitting device that splits the transmitted light and the received light, a second optical coupler that mixes the local light and the split received light together, a photodetector that detects heterodyne of a mixed light, a beat signal amplifier that amplifies a detected signal, a signal processing device that processes an amplified signal, and a display device that displays a processed result. The first and second optical couplers and an optical modulator are structured by polarization maintained type optical elements, and an optical path that extends from the laser source to the space type optical amplifier through the first optical coupler, an optical path that extends from the transmitting/receiving light splitting device to the photodetector through the second optical coupler, and an optical path that extends from the first optical coupler to the second optical coupler are connected by polarization maintained type single mode optical fibers.

    摘要翻译： 为了获得实现高可靠性和透射光的高输出的相干激光雷达装置，该装置包括第一光耦合器，其将来自激光源的激光束分成两个光，局部光和透射光，光学 调制透射光的调制器，放大经调制的透射光的空间型光放大器，将放大的透射光施加到目标并接收来自目标的散射光的发射/接收光学系统，发射/接收分光装置 将透射光和接收光分开的第二光耦合器，将局部光和分离的接收光混合在一起的第二光耦合器，检测混合光的外差的光电检测器，放大检测信号的拍频信号放大器，信号处理装置 处理放大信号，以及显示处理结果的显示装置。 第一和第二光耦合器和光调制器由偏振维持型光学元件构成，以及通过第一光耦合器从激光源延伸到空间型光放大器的光路，从发射/ 通过所述第二光耦合器将光分离装置接收到所述光电检测器，并且从所述第一光耦合器延伸到所述第二光耦合器的光路通过偏振维持型单模光纤连接。

    Laser detection and ranging apparatus
    8.
    发明申请
    Laser detection and ranging apparatus 有权
    激光检测和测距仪

    公开(公告)号：US20050162637A1

    公开(公告)日：2005-07-28

    申请号：US10510983

    申请日：2003-02-19

    申请人： Shumpei Kameyama ,  Yoshihito Hirano

    发明人： Shumpei Kameyama ,  Yoshihito Hirano

    IPC分类号： G01S17/58 ,  G01S17/95 ,  G01C3/08

    CPC分类号： G01S17/95 ,  G01S17/58 ,  G01S17/936 ,  Y02A90/19

    摘要： In a laser detecting and ranging apparatus in which a light signal is intensity-modulated with a modulating frequency consisting of a frequency in the microwave band for thereby detecting a Doppler frequency relating to the modulating frequency, high reception sensitivity is realized. The apparatus comprises a light transmitting unit for transmitting a light signal from a light source 1 as a transmitted beam L1 into the atmosphere, a light receiving means for receiving a light beam L2 from the atmosphere as a received light, an oscillator 10 for outputting a modulating signal having at least one modulating frequency as a carrier frequency, and a signal processing unit 12 for detecting properties of the atmosphere on the basis of the received light, wherein the light transmitting unit includes a light intensity modulator 2 for performing intensity modulation on the light signal from the light source 1 with the modulating signal, and wherein the signal receiving means includes an optical frequency conversion means 9 for converting the frequency of the intensity-modulated component of the received light to a base-band frequency, and an optical detection means 11 for directly detecting an output signal from the optical frequency conversion means 9 to thereby convert into an electric signal to be subsequently inputted to the signal processing unit 12.

    摘要翻译： 在激光检测和测距装置中，光信号用由微波频带中的频率组成的调制频率进行强度调制，从而检测与调制频率相关的多普勒频率，实现了高接收灵敏度。 该装置包括用于将来自作为透射光束L 1的光源1的光信号传输到大气中的光发送单元，用于接收来自大气中的光束L 2作为接收光的光接收装置，用于 输出具有至少一个调制频率作为载波频率的调制信号，以及信号处理单元12，用于根据接收到的光检测气氛的属性，其中光发射单元包括用于进行强度调制的光强度调制器2 对来自光源1的光信号具有调制信号，并且其中信号接收装置包括用于将接收光的强度调制分量的频率转换为基带频率的光频变换装置9，以及 光检测装置11，用于直接检测来自光频变换装置9的输出信号，从而转换i n到随后输入到信号处理单元12的电信号。

    Airspeed / wind speed measurement device for aircraft, and display device for same
    9.
    发明申请
    Airspeed / wind speed measurement device for aircraft, and display device for same 失效
    飞机空速/风速测量装置及其显示装置

    公开(公告)号：US20070236367A1

    公开(公告)日：2007-10-11

    申请号：US11392515

    申请日：2006-03-30

    申请人： Naoki Matayoshi ,  Kimio Asaka ,  Yoshinori Okuno ,  Masahiro Hagio ,  Yoshihito Hirano ,  Shumpei Kameyama ,  Toshiyuki Ando ,  Hidetaka Kiyosue ,  Masashi Furuta ,  Tomoya Matsuda

    发明人： Naoki Matayoshi ,  Kimio Asaka ,  Yoshinori Okuno ,  Masahiro Hagio ,  Yoshihito Hirano ,  Shumpei Kameyama ,  Toshiyuki Ando ,  Hidetaka Kiyosue ,  Masashi Furuta ,  Tomoya Matsuda

    IPC分类号： G01C23/00

    CPC分类号： G01P13/025 ,  G01P5/26 ,  G01S17/58 ,  G01S17/95 ,  Y02A90/19

    摘要： In the measurement system for an aircraft according to the present invention, the three-axis components of the airspeed of the aircraft, the three-axis components of the wind speed currently encountered by the aircraft, and the wind speed distribution ahead of the aircraft, are measured simultaneously, by providing a Doppler anemometer which measures the airflow speeds at a plurality of points separated by a prescribed distance in the beam irradiation direction, and an inertial data measurement device which measures the movement information and positional information of the aircraft. Furthermore, in the measurement system for an aircraft according to the present invention, the measurement accuracy of the device is improved by providing means for obtaining information the movement and positional information of the aircraft during measurement, from the inertial data measurement device, and for correcting the measurement values from the Doppler anemometer by means of the information.

    摘要翻译： 在根据本发明的飞行器的测量系统中，飞行器空速的三轴分量，飞机当前遇到的风速的三轴分量以及飞机前方的风速分布， 通过提供测量在光束照射方向上分开了规定距离的多个点处的气流速度的多普勒风速计和测量飞行器的移动信息和位置信息的惯性数据测量装置同时测量。 此外，在本发明的飞机的测量系统中，通过提供用于从惯性数据测量装置获取信息，测量中的飞行器的移动和位置信息以及用于校正的装置，来提高装置的测量精度 来自多普勒风速计的测量值通过信息。