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    • 5. 发明专利
    • Data transmission apparatus
    • 数据传输设备
    • JP2008228136A
    • 2008-09-25
    • JP2007066184
    • 2007-03-15
    • Sony Corpソニー株式会社
    • FUKUDA KUNIO
    • H04B5/02H04J11/00H04L27/00
    • H04L27/2626G01S13/758G06K19/0723G06K19/07749
    • PROBLEM TO BE SOLVED: To attain a reflection wave data transmission with low power consumption and at high speed, and to suppress a modulated reflection wave from being spread to a side lobe when sub-carrier modulation is performed.
      SOLUTION: In the data transmission apparatus, a sub-carrier modulated wave Fs is mixed with a non-modulated carrier Fo from a data reader by an analog mixer to generate a new modulated wave Fo±Fs. Since an analog sub-carrier modulated wave is available, a high-speed modulation system having binary or more information in an amplitude direction like 16 QAM (Quadrature Amplitude Modulation), 64QAM, OFDM (Orthogonal Frequency Division Multiplexing) can be applied to primary modulation using sub-carriers. The new modulated wave Fo±Fs is band-limited, thereby reducing interference to another system.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了实现低功耗和高速度的反射波数据传输,并且当执行副载波调制时,抑制调制反射波扩展到旁瓣。 解决方案:在数据传输装置中,通过模拟混频器将副载波调制波Fs与来自数据读取器的未调制载波Fo混合以产生新的调制波Fo±Fs。 由于可以使用模拟副载波调制波,所以在诸如16QAM(正交幅度调制),64QAM,OFDM(正交频分复用)的幅度方向上具有二进制或更多信息的高速调制系统可以应用于一次调制 使用子载体。 新的调制波Fo±Fs受限制,从而减少对另一个系统的干扰。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Radar device, radar positioning system, radar positioning method, and radar positioning program
    • 雷达装置,雷达定位系统,雷达定位方法和雷达定位程序
    • JP2013142661A
    • 2013-07-22
    • JP2012003964
    • 2012-01-12
    • Furuno Electric Co Ltd古野電気株式会社
    • YAMABAYASHI JUNKOJIMA TATSUYA
    • G01S13/87G01S13/75G01S13/76G01S13/79
    • G01S13/06G01S1/24G01S1/685G01S5/145G01S13/42G01S13/75G01S13/758G01S13/765G01S13/787G01S13/788G01S13/9307
    • PROBLEM TO BE SOLVED: To efficiently measure a position of a movable body using a response wave transmitted from a transponder device in response to a radar wave.SOLUTION: A racon 40 transmits a racon response wave including racon positional information indicating a position of the racon 40 when a radar wave is received from a radar transceiver 10. When the racon response wave is received, a representative distance/representative relative azimuth calculation part 19 of the radar transceiver 10 calculates a representative distance indicating a relative distance of the racon 40 to the radar transceiver 10 and a representative relative azimuth indicating a relative azimuth of the racon 40 to the radar transceiver 10 on the basis of the racon response wave. A positioning operation part 21 performs positioning operation on a position (latitude and longitude) of the radar transceiver 10 using the representative distance and the representative relative azimuth calculated by the representative distance/representative relative azimuth calculation part 19 and the racon positional information included in the racon response wave.
    • 要解决的问题:使用响应于雷达波的应答器装置发送的响应波来有效地测量可移动体的位置。解码器:信标40发送包括指示位置信息的训练位置信息的训练响应波 当雷达收发机10接收到雷达波时,雷达收发机10的代表性距离/代表性的相对方位角计算部分19计算出雷达收发信机10的代表性距离/代表性的相对方位计算部分19, 雷达收发器10和代表性的相对方位角,其指示根据雷鸣响应波的雷达40到雷达收发器10的相对方位角。 定位运算部21使用代表距离和由代表性距离/代表性相对方位角计算部19计算出的代表性相对方位角和包含在该距离/代表性相对方位运算部19中的训练位置信息,对雷达收发器10的位置(纬度和经度)进行定位运算 反应波。