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    • 8. 发明授权
    • Active radar system and method
    • 主动雷达系统及方法
    • US08797208B2
    • 2014-08-05
    • US13303549
    • 2011-11-23
    • Richard Stirling-GallacherQi Wang
    • Richard Stirling-GallacherQi Wang
    • G01S13/89G01S13/34
    • G01S13/343G01S13/34G01S13/87G01S13/931
    • The present invention relates to an active radar system and a corresponding method. The proposed system comprises at least two transmit antennas that each transmits radiation to a scene as a transmit signal, said transmit signal comprising a series of frequency modulated pulses, at least one receive antenna that receives radiation from said scene as a receive signal, a controller that controls said at least two transmit antennas. The transmissions of the transmit signals are subsequently initiated with time offsets, controlled to be larger than the time delay between transmission of a first transmit signal of said two transmit signals and reception of radiation of said first transmit signal by said at least one receive antenna and to be smaller than the time duration of a complete frequency modulated pulse of said first transmit signal.
    • 本发明涉及一种主动雷达系统和相应的方法。 所提出的系统包括至少两个发射天线,每个发射天线将辐射发射到场景作为发射信号,所述发射信号包括一系列频率调制脉冲,至少一个接收天线,其从所述场景接收辐射作为接收信号,控制器 其控制所述至少两个发射天线。 发射信号的传输随后由时间偏移发起,被控制为大于所述两个发射信号的第一发射信号的传输与所述至少一个接收天线的所述第一发射信号的辐射的接收之间的时间延迟;以及 小于所述第一发射信号的完整频率调制脉冲的持续时间。
    • 9. 发明申请
    • ACTIVE RADAR SYSTEM AND METHOD
    • 主动雷达系统和方法
    • US20120146844A1
    • 2012-06-14
    • US13303549
    • 2011-11-23
    • Richard Stirling-GallacherQi Wang
    • Richard Stirling-GallacherQi Wang
    • G01S13/02
    • G01S13/343G01S13/34G01S13/87G01S13/931
    • The present invention relates to an active radar system and a corresponding method. The proposed system comprises at least two transmit antennas that each transmits radiation to a scene as a transmit signal, said transmit signal comprising a series of frequency modulated pulses, at least one receive antenna that receives radiation from said scene as a receive signal, a controller that controls said at least two transmit antennas. The transmissions of the transmit signals are subsequently initiated with time offsets, controlled to be larger than the time delay between transmission of a first transmit signal of said two transmit signals and reception of radiation of said first transmit signal by said at least one receive antenna and to be smaller than the time duration of a complete frequency modulated pulse of said first transmit signal.
    • 本发明涉及一种主动雷达系统和相应的方法。 所提出的系统包括至少两个发射天线,每个发射天线将辐射发射到场景作为发射信号,所述发射信号包括一系列频率调制脉冲,至少一个接收天线,其从所述场景接收辐射作为接收信号,控制器 其控制所述至少两个发射天线。 发射信号的传输随后由时间偏移发起,被控制为大于所述两个发射信号的第一发射信号的传输与所述至少一个接收天线的所述第一发射信号的辐射的接收之间的时间延迟;以及 小于所述第一发射信号的完整频率调制脉冲的持续时间。
    • 10. 发明申请
    • VIDEO ROBUSTNESS USING SPATIAL AND TEMPORAL DIVERSITY
    • 使用空间和时间多样性的视频运动
    • US20090257487A1
    • 2009-10-15
    • US12366142
    • 2009-02-05
    • Zhaocheng WANGFritz HohlRichard Stirling-GallacherQi Wang
    • Zhaocheng WANGFritz HohlRichard Stirling-GallacherQi Wang
    • H04N11/02
    • H04N19/186H04B7/0617H04B7/0695H04B7/086H04B7/088H04N19/37
    • The present invention relates to the fields of wireless communication, video transmission, unequal error protection, time diversity, space diversity. The present invention especially relates to a transmitter, a receiver, a method of transmitting video data and a method for receiving video data. The transmitter for transmitting video data comprises: A transmission section, said transmission section comprising a parser for dividing said video data into at least two classes and dividing each class into one or more blocks. Hereby, with each class there is associated a different number. Said transmission section is adapted to transmit at least one block of each class once on each communication channel of a set communication channels, the number of communication channels comprised in the respective set being given by the number associated with the respective class. Further, different communication channels correspond to different transmission times and/or different transmit paths. The receiver for receiving video data comprises: A receiving section for receiving said video data on a plurality of communication channels and generating a plurality of partial signals, each partial signal corresponding to a different communication channel. Different communication channels correspond to different transmission times and/or different receive paths. A decoding and validating section comprising a decoder for decoding a first block of said video data based on a partial signal of a first number of at least two partial signals and an error detector for determining if said decoded first block of video data is corrupted. In case said decoded first block of video data is determined to be corrupted, said decoder is configured to decode said first block of video data based on an other signal of said first number of partial signals.
    • 本发明涉及无线通信,视频传输,不等错误保护,时间分集,空间分集等领域。 本发明特别涉及一种发射机,接收机,一种传输视频数据的方法和一种接收视频数据的方法。 用于发送视频数据的发送器包括:发送部分,所述发送部分包括解析器,用于将所述视频数据分成至少两个类别,并将每个类别划分成一个或多个块。 因此,每个类都有不同的数字。 所述传输部分适于在设置的通信信道的每个通信信道上发送每个类别的至少一个块一次,包括在相应集合中的通信信道的数量由与相应类别相关联的数量给出。 此外,不同的通信信道对应于不同的发送时间和/或不同的发送路径。 用于接收视频数据的接收机包括:接收部分,用于在多个通信信道上接收所述视频数据并产生多个部分信号,每个部分信号对应于不同的通信信道。 不同的通信信道对应于不同的传输时间和/或不同的接收路径。 一种解码和验证部分,包括:解码器,用于基于第一数量的至少两个部分信号的部分信号来解码所述视频数据的第一块;以及错误检测器,用于确定所述解码的第一视频数据块是否被破坏。 在所述解码的第一视频数据块被确定为被破坏的情况下,所述解码器被配置为基于所述第一数量的部分信号的其他信号来解码所述第一视频数据块。