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    • 5. 发明授权
    • System for measuring the radial speed of a moving body
    • 用于测量移动体的径向速度的系统
    • US08902106B2
    • 2014-12-02
    • US13309322
    • 2011-12-01
    • Patrick GarrecPascal CornicStéphane Kemkemian
    • Patrick GarrecPascal CornicStéphane Kemkemian
    • G01S3/02G01S1/44G01P3/36G01S11/10
    • G01P3/36G01S11/10
    • A system for measuring the radial speed of a moving body in a line of sight determined for a referential position is disclosed. The system includes an emitter assembly for emitting a signal and a referential receiver assembly dedicated to reception of the signal. The emitter assembly is disposed on a first of the elements of a group formed by the moving body and the referential position. The receiver assembly is disposed on a second of the elements of the group. The emitter assembly is able to emit a signal on at least two emission frequencies, where the emission frequencies are separated by a chosen emission frequency gap. The system also includes an analyzer configured to analyze the signal received by the receiver assembly, and to measure the reception frequency gap separating the signal reception frequencies to calculate the radial speed of the moving body according to a function of the reception frequency gap and emission frequency gap.
    • 公开了一种用于测量在参考位置确定的视线中的移动体的径向速度的系统。 该系统包括用于发射信号的发射器组件和专用于接收信号的参考接收器组件。 发射器组件设置在由移动体和参考位置形成的组中的第一元件上。 接收器组件设置在组中的第二个元件上。 发射器组件能够发射至少两个发射频率的信号,其中发射频率被选择的发射频率间隙分开。 该系统还包括分析器,其被配置为分析由接收器组件接收的信号,并且测量分离信号接收频率的接收频率间隙,以根据接收频率间隙和发射频率的函数来计算移动体的径向速度 间隙。
    • 6. 发明申请
    • System for Measuring the Radial Speed of a Moving Body
    • 测量移动体径向速度的系统
    • US20120212373A1
    • 2012-08-23
    • US13309322
    • 2011-12-01
    • Patrick GarrecPascal CornicStéphane Kemkemian
    • Patrick GarrecPascal CornicStéphane Kemkemian
    • G01S1/44
    • G01P3/36G01S11/10
    • A system for measuring the radial speed of a moving body in a line of sight determined for a referential position includes an emitter assembly for emitting a signal and a referential receiver assembly dedicated to reception of said signal. The emitter assembly is disposed on a first of the elements of a group formed by the moving body and the referential position. The receiver assembly is disposed on a second of the elements of the group. The emitter assembly is able to emit a signal on at least two emission frequencies, said emission frequencies being separated by a chosen emission frequency gap. The system includes a means for analyzing the signal received by the receiver assembly, to measure the reception frequency gap separating the signal reception frequencies to calculate the radial speed of the moving body according to a function of the reception frequency gap and emission frequency gap.
    • 用于测量针对参考位置确定的视线中的移动体的径向速度的系统包括用于发射信号的发射器组件和专用于接收所述信号的参考接收器组件。 发射器组件设置在由移动体和参考位置形成的组中的第一元件上。 接收器组件设置在组中的第二个元件上。 发射器组件能够发射至少两个发射频率的信号,所述发射频率被选定的发射频率间隙分开。 该系统包括用于分析由接收器组件接收的信号的装置,以测量分离信号接收频率的接收频率间隙,以根据接收频率间隙和发射频率间隙的函数来计算移动体的径向速度。
    • 7. 发明授权
    • Radar with high angular accuracy, notably for the obstacle sensing and avoidance function
    • 具有高角度精度的雷达,特别适用于障碍物感测和回避功能
    • US08482455B2
    • 2013-07-09
    • US12902002
    • 2010-10-11
    • Stéphane KemkemianPascal CornicPatrick Le Bihan
    • Stéphane KemkemianPascal CornicPatrick Le Bihan
    • G01S13/42
    • G01S13/4454G01S13/003
    • The present invention relates to a radar device with high angular accuracy. The solution provided by the invention simultaneously combines an interferometer that is accurate but, for example, ambiguous when receiving; and a space coloring mode when transmitting. The coloring of the space consists notably in transmitting on N transmitting antennas N orthogonal signals. These signals are then separated by filtering on reception using the orthogonality properties of the transmission signals. It is, for example, possible, with two contiguous antennas in transmission associated with two orthogonal codes to produce a single-pulse type system when transmitting. The invention applies notably to the obstacle sensing and avoidance function, also called “Sense & Avoid”.
    • 本发明涉及具有高角度精度的雷达装置。 本发明提供的解决方案同时组合了干涉仪,该干涉仪在接收时是准确的但是例如是模糊的; 以及发送时的空间着色模式。 空间的着色特别包括在N个发射天线上发射N个正交信号。 然后通过使用传输信号的正交性质的接收过滤来分离这些信号。 例如,可能的是,传输中的两个连续的天线与两个正交码相关联,以在发射时产生单脉冲型系统。 本发明特别适用于障碍物检测和回避功能,也称为“感知和避免”。
    • 9. 发明授权
    • Radar detection method, notably for airborne radars implementing an obstacle detection and avoidance function
    • 雷达检测方法,特别是用于执行障碍物检测和回避功能的机载雷达
    • US08493265B2
    • 2013-07-23
    • US12969929
    • 2010-12-16
    • Pascal CornicPatrick Le BihanStéphane Kemkemian
    • Pascal CornicPatrick Le BihanStéphane Kemkemian
    • G01S7/02G01S13/92
    • G01S13/9303G01S7/352G01S13/343G01S13/584G01S2007/356
    • A method includes: generating a frequency-modulated continuous signal, an emission sequence being formed of successive ramps centered on a carrier frequency; fixing a modulation band ΔF and the duration Tr of a recurrence in such a way that at the range limit, a reception ramp appears shifted by at least one given frequency with respect to the corresponding emission ramp, on account of the propagation delay for the outward-return journey to a target kTr+θ, k being an integer and θ a duration less than Tr; demodulating the signal received by the signal emitted, the resulting signal including a first sinusoid at the frequency δFdim=(1−(θ/Tr)·ΔF and a second sinusoid at the frequency δFd=(θ/Tr)·ΔF; sampling the resulting signal and performing a first fast Fourier transformation on this resulting signal over the duration of each emission ramp; detecting in the resulting spectrum the spectral lines appearing at the frequencies δFd and δFdim, and performing the vector sum of these two spectral lines after resetting them into phase with respect to one another; and performing a detection by comparing the modulus of the vector sum with a predetermined threshold.
    • 一种方法包括:产生调频连续信号,发射序列由以载波频率为中心的连续斜坡形成; 固定调制带DeltaF和持续时间Tr,使得在范围限制下,由于向外的传播延迟,接收斜坡出现相对于相应的发射斜坡出现至少一个给定的频率 返回到目标kTr + theta的行程,k是整数,θa小于Tr的持续时间; 解调由所发射的信号接收到的信号,所得到的信号包括频率deltaFdim =(1-(θ/ Tr)·ΔF的第一正弦波和频率为ΔFd=(θ/ Tr)·ΔF的第二正弦曲线; 在每个发射斜坡的持续时间内对该结果信号执行第一快速傅立叶变换;在所得到的频谱中检测出现在频率deltaFd和deltaFdim处的频谱线,并且在复位它们之后执行这两条谱线的矢量和 相对于彼此相位;以及通过将矢量和的模量与预定阈值进行比较来执行检测。