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    • 126. 发明授权
    • Radar transceiver
    • 雷达收发器
    • US09547071B2
    • 2017-01-17
    • US14305843
    • 2014-06-16
    • NXP B.V.
    • Cicero Silveira VaucherCornelis Gehrels
    • G01S7/35G01S13/93G01S7/02G01S13/02
    • G01S7/35G01S7/02G01S13/02G01S13/931
    • A radar transceiver is disclosed. The radar transceiver includes a computing unit, a sweep control unit, a set of transmitters for transmitting radar chirps to targets, a set of receivers for receiving reflected chirps from the targets, and a timing engine processor coupled to the set of transmitters and to the set of receivers and configured to transmit a first set of control signals. The timing engine processor receives a second set of control signals generated by the computing unit. The sweep control unit receives a first control signal and a second control signal from the timing engine processor. The first control signal indicating a start time of a chirp and the second control signal indicating a reset time for resetting the chirp. A controlled phased lock loop (PLL) generates a local oscillator signal which is inputted to transmitters and receivers.
    • 公开了一种雷达收发器。 雷达收发器包括计算单元,扫描控制单元,用于将雷达啁啾发送到目标的一组发射器,用于从目标接收反射啁啾的一组接收器,以及耦合到该组发射器的定时引擎处理器, 接收器组,并被配置为传送第一组控制信号。 定时引擎处理器接收由计算单元产生的第二组控制信号。 扫描控制单元从定时引擎处理器接收第一控制信号和第二控制信号。 所述第一控制信号指示啁啾的开始时间,所述第二控制信号指示用于复位所述啁啾的复位时间。 控制相控锁环(PLL)产生输入到发射机和接收机的本地振荡器信号。
    • 129. 发明授权
    • Method of radar surveillance and of radar signal acquisition
    • 雷达监测和雷达信号采集方法
    • US09476971B2
    • 2016-10-25
    • US14005813
    • 2012-02-13
    • Pascal CornicDaniel JahanPatrick Garrec
    • Pascal CornicDaniel JahanPatrick Garrec
    • G01S13/02G01S7/02G01S7/36G01S13/90
    • G01S13/02G01S7/02G01S7/021G01S7/023G01S7/36G01S13/90G01S2013/9064
    • A radar includes an antennal structure, with means for transmitting an impulse signal in a band centered on F1 according to a repetition period centered on a recurrence period Tr1 and pulse width T1, with means for receiving signals by the antenna in frequency band ΔF, with a unit for processing the signals received on a set of N distance bins. The signals received are transmitted by another radar in a frequency band centered on F2 where F2−F1≦ΔF, according to a repetition period centered on a period Tr2 and pulse width T2. The signals transmitted by the two radars are asynchronous. The method comprises: slaving frequency F1 to frequency F2, by measuring the power received integrated over the N distance bins and over several recurrences, determination of period Tr2 and T2 and slaving the period centered on Tr1 to a period centered on Tr2 with Tr1=k*Tr2.
    • 雷达包括触角结构,具有根据以复现周期Tr1和脉冲宽度T1为中心的重复周期以F1为中心的频带中的脉冲信号的装置,具有用于在频带ΔF中由天线接收信号的装置, 用于处理在一组N个距离仓上接收的信号的单元。 接收到的信号根据以时间间隔Tr2和脉冲宽度T2为中心的重复周期,以F2为中心的频域F2-F1≤ΔF的另一个雷达发送。 由两个雷达发射的信号是异步的。 该方法包括:通过测量在N个距离仓上积分的功率和超过几次重复来测量频率F1到频率F2,确定周期Tr2和T2,并将以Tr1为中心的周期以Tr1为中心的周期Tr1 = k * Tr2。