公开(公告)号：US20110140952A1

公开(公告)日：2011-06-16

申请号：US12881230

申请日：2010-09-14

Applicant: Stéphane KEMKEMIAN ,  Pascal CORNIC ,  Patrick LE BIHAN ,  Myriam NOUVEL-FIANI

Inventor： Stéphane KEMKEMIAN ,  Pascal CORNIC ,  Patrick LE BIHAN ,  Myriam NOUVEL-FIANI

IPC: G01S13/42

CPC classification number: G01S13/426 ,  G01S13/72 ,  G01S13/9303 ,  G01S2013/0254

Abstract: An airborne radar device having a given angular coverage in elevation and in azimuth includes a transmit system, a receive system and processing means for carrying out target detection and location measurements. The transmit system includes: a transmit antenna made up of at least a first linear array of radiating elements focusing a transmit beam, said arrays being approximately parallel to one another; at least one waveform generator; means for amplifying the transmit signals produced by the waveform generator or generators; and means for controlling the transmit signals produced by the waveform generator or generators, said control means feeding each radiating element with a transmit signal. The radiating elements being controlled for simultaneously carrying out electronic scanning of the transmit beam in elevation and for coloured transmission in elevation.

Abstract translation: 具有高程和方位角的给定角度覆盖的机载雷达装置包括发射系统，接收系统和用于执行目标检测和位置测量的处理装置。 发射系统包括：发射天线，由至少第一线阵列辐射元件组成，辐射元件聚焦发射束，所述阵列彼此大致平行; 至少一个波形发生器; 用于放大由波形发生器或发生器产生的发射信号的装置; 以及用于控制由波形发生器或发生器产生的发射信号的装置，所述控制装置为每个辐射元件馈送发射信号。 被控制的辐射元件同时进行高度的发射光束的电子扫描和高程的彩色透射。

公开(公告)号：US07924211B2

公开(公告)日：2011-04-12

申请号：US12301086

申请日：2007-05-14

Applicant: Luc Bosser ,  Stephane Kemkemian ,  Myriam Nouvel

Inventor： Luc Bosser ,  Stephane Kemkemian ,  Myriam Nouvel

IPC: G01S13/00

CPC classification number: G01S13/288 ,  G01S13/951 ,  Y02A90/18

Abstract: Detecting reflectors of an emitted electromagnetic pulse, using a received signal, by time-sampling the received signal and the emitted pulse at a same sampling frequency, each received sample corresponding to a return-trip distance for the emitted pulse between its transmitter and a possible reflector. The sampled received signal is divided by the emitted pulse sampled and temporally translated into an interval of duration equal to the emitted pulse divided into L samples, producing L results of the division. A weighted summing of the L results of the division is calculated, the sets of L weights each having a support on which the weights are not zero, every subinterval of length between L/n and L being the support for at least one set of weights and no support having a length of less than L/n, wherein the sums of the weights of a set all being equal, and n is a nonzero integer such that L/n is greater than or equal to 2. Finally, determining the minimum of the summations, wherein a nonzero minimum characterizes the amplitude of the pulse reflected by a reflector located at the distance corresponding to the start of a time interval being considered.

Abstract translation: 使用接收到的信号，以相同的采样频率对接收到的信号和发射的脉冲进行时间采样来检测发射的电磁脉冲的反射器，每个接收的采样对应于发射机和可能的发射脉冲之间的发射脉冲的返回距离 反射器。 采样的接收信号被采样的发射脉冲除以时间转换为等于被分为L个采样的发射脉冲的持续时间间隔，产生分割的L个结果。 计算分割的L个结果的加权求和，每个具有权重不为零的支持的L个权重集合，L / n和L之间的每个子间隔长度是至少一组权重的支持 并且不具有小于L / n的长度的支持，其中一组的权重的和全部相等，并且n是非零整数，使得L / n大于或等于2.最后，确定最小值 其中非零最小值表征由位于与所考虑的时间间隔的开始相对应的距离处的反射器反射的脉冲的幅度。

公开(公告)号：US08115672B2

公开(公告)日：2012-02-14

申请号：US12698911

申请日：2010-02-02

Applicant: Myriam Nouvel ,  Stéphane Kemkemian

Inventor： Myriam Nouvel ,  Stéphane Kemkemian

IPC: G01S13/08

CPC classification number: G01S13/34

Abstract: The present invention relates to a procedure for measuring distance. It applies notably in respect of short-range radars, but not exclusively. The method uses an electromagnetic wave comprising at least one emission sequence (31, 32, 33, 34, 35) of the FSK type, at least two emission frequencies (F1, F2), emitted successively towards the said target a given number p of times inside the sequence. The gap δF between the emission frequencies (F1, F2) is substantially equal to an integer number k of times the repetition frequency (SPRF) of the cycle of frequencies, the distance measurement being obtained on the basis of the measurement of difference of phases Δφ between the signals received corresponding respectively to a first frequency (F1) and to a second frequency (F2).

Abstract translation: 本发明涉及一种测量距离的程序。 它特别适用于短距离雷达，但不排他。 该方法使用包括FSK类型的至少一个发射序列（31,32,33,34,35）的电磁波，至少两个发射频率（F1，F2），朝着所述目标连续发射给定数量p 次序内。 发射频率（F1，F2）之间的间隙δF基本上等于频率周期的重复频率（SPRF）倍数的整数k，基于相位差的测量得到的距离测量＆Dgr ;＆phgr 在分别对应于第一频率（F1）和第二频率（F2）之间接收的信号之间。

公开(公告)号：US08258997B2

公开(公告)日：2012-09-04

申请号：US12698987

申请日：2010-02-02

Applicant: Stéphane Kemkemian ,  Myriam Nouvel

Inventor： Stéphane Kemkemian ,  Myriam Nouvel

IPC: G01S13/00

CPC classification number: G01S13/93

Abstract: A radar device includes means for emitting microwave-frequency signals; means for receiving signals reflected by a target; computation means; a plurality of antenna systems disposed around the aircraft, an antenna system comprising a set of emission antennas coupled to the emission means and a set of reception antennas coupled to the reception means, each antenna system being dedicated to the coverage of a given angular sector Ω; for a given antenna system, the antenna beam on reception being formed by CBF by the computation means on the basis of the signals received by the reception antennas and the antenna beam on emission is pointed by an electronic scanning system in a number greater than or equal to two of directions inside the given angular sector Ω. The invention applies notably in the field of airborne radars, in particular radars with large angular coverage and short range that are necessary for example for carrying out a function of the “see and avoid” type on drones, which function is also commonly called “Sense & Avoid”.

Abstract translation: 雷达装置包括用于发射微波频率信号的装置; 用于接收目标反射的信号的装置; 计算手段; 设置在飞机周围的多个天线系统，包括耦合到发射装置的一组发射天线和耦合到接收装置的一组接收天线的天线系统，每个天线系统专用于给定角扇区的覆盖＆OHgr ;; 对于给定的天线系统，由接收天线接收的信号和发射的天线波束由计算装置由CB​​F形成的接收天线波束由大于或等于数的电子扫描系统指向 到给定角度区域内的两个方向和OHgr。 本发明特别适用于机载雷达领域，特别是具有大的角度覆盖和短距离的雷达，例如用于执行无人机上“看见和避免”类型的功能所必需的，其功能也被称为“感知 ＆避免“。

公开(公告)号：US20110187583A1

公开(公告)日：2011-08-04

申请号：US12698911

申请日：2010-02-02

Applicant: Myriam Nouvel ,  Stèphane Kemkemian

Inventor： Myriam Nouvel ,  Stèphane Kemkemian

IPC: G01S13/34

CPC classification number: G01S13/34

Abstract: The present invention relates to a procedure for measuring distance. It applies notably in respect of short-range radars, but not exclusively. The method uses an electromagnetic wave comprising at least one emission sequence (31, 32, 33, 34, 35) of the FSK type, at least two emission frequencies (F1, F2), emitted successively towards the said target a given number p of times inside the sequence. The gap δF between the emission frequencies (F1, F2) is substantially equal to an integer number k of times the repetition frequency (SPRF) of the cycle of frequencies, the distance measurement being obtained on the basis of the measurement of difference of phases Δφ between the signals received corresponding respectively to a first frequency (F1) and to a second frequency (F2).

Abstract translation: 本发明涉及一种测量距离的程序。 它特别适用于短距离雷达，但不排他。 该方法使用包括FSK类型的至少一个发射序列（31,32,33,34,35）的电磁波，至少两个发射频率（F1，F2），朝着所述目标连续发射给定数量p 次序内。 发射频率（F1，F2）之间的间隙δF基本上等于频率周期的重复频率（SPRF）倍数的整数k，基于相位差的测量得到的距离测量＆Dgr ;＆phgr 在分别对应于第一频率（F1）和第二频率（F2）之间接收的信号之间。

公开(公告)号：US08786487B2

公开(公告)日：2014-07-22

申请号：US13247118

申请日：2011-09-28

Applicant: Stephane Kemkemian ,  Pascal Cornic ,  Patrick Garrec ,  Patrick Le Bihan ,  Myriam Nouvel-Fiani

Inventor： Stephane Kemkemian ,  Pascal Cornic ,  Patrick Garrec ,  Patrick Le Bihan ,  Myriam Nouvel-Fiani

IPC: G01S13/00 ,  G01S13/93 ,  H01Q3/26

CPC classification number: G01S13/9303 ,  G01S13/4463 ,  H01Q1/28 ,  H01Q3/2605 ,  H01Q3/267

Abstract: A radar includes a transmitting antenna and receiving antenna formed by an array of radiant elements. Antenna beams are calculated in P directions by a BFC function. Detections of a target by secondary lobes of the beams are processed by an algorithm comparing levels received in a distance-speed resolution cell, a single detection at most not being possible for each distance-speed resolution cell. Processing means use the assumption that there may probably be more than one echo with a signal-to-noise ratio that is sufficient to be detectable, for a given resolution cell of the radar, either in speed mode or in distance mode, or, alternatively, a distance-speed depending on the processing implemented; and, if there is more than one echo detectable for each resolution cell out of the plurality of beams formed by BFC, only the echo and BFC that obtain maximum power or maximum signal-to-noise ratio are/is considered valid.

Abstract translation: 雷达包括由辐射元件阵列形成的发射天线和接收天线。 通过BFC功能在P方向上计算天线波束。 通过比较在距离速度分辨率单元中接收到的等级的算法来处理由所述波束的次级波瓣检测的目标的检测，对于每个距离速度分辨率单元最多不能进行单个检测。 处理手段使用以下假设：对于雷达的给定分辨率单元，无论是在速度模式还是在距离模式下，可能存在多于一个具有足够可检测的信噪比的回波，或者，或者 ，取决于所执行的处理的距离速度; 并且如果由BFC形成的多个波束中的每个分辨率单元存在多于一个的回波，则只有获得最大功率或最大信噪比的回波和BFC被认为是有效的。

公开(公告)号：US20120081247A1

公开(公告)日：2012-04-05

申请号：US13247118

申请日：2011-09-28

Applicant: Stephane KEMKEMIAN ,  Pascal CORNIC ,  Patrick GARREC ,  Patrick LE BIHAN ,  Myriam NOUVEL-FIANI

Inventor： Stephane KEMKEMIAN ,  Pascal CORNIC ,  Patrick GARREC ,  Patrick LE BIHAN ,  Myriam NOUVEL-FIANI

IPC: G01S13/93

CPC classification number: G01S13/9303 ,  G01S13/4463 ,  H01Q1/28 ,  H01Q3/2605 ,  H01Q3/267

Abstract: A radar includes a transmitting antenna and receiving antenna formed by an array of radiant elements. Antenna beams are calculated in P directions by a BFC function. Detections of a target by secondary lobes of the beams are processed by an algorithm comparing levels received in a distance-speed resolution cell, a single detection at most not being possible for each distance-speed resolution cell. Processing means use the assumption that there may probably be more than one echo with a signal-to-noise ratio that is sufficient to be detectable, for a given resolution cell of the radar, either in speed mode or in distance mode, or, alternatively, a distance-speed depending on the processing implemented; and, if there is more than one echo detectable for each resolution cell out of the plurality of beams formed by BFC, only the echo and BFC that obtain maximum power or maximum signal-to-noise ratio are/is considered valid.

Abstract translation: 雷达包括由辐射元件阵列形成的发射天线和接收天线。 通过BFC功能在P方向上计算天线波束。 通过比较在距离速度分辨率单元中接收到的等级的算法来处理由所述波束的次级波瓣检测的目标的检测，对于每个距离速度分辨率单元最多不能进行单个检测。 处理手段使用以下假设：对于雷达的给定分辨率单元，无论是在速度模式还是在距离模式下，可能存在多于一个具有足够可检测的信噪比的回波，或者，或者 ，取决于所执行的处理的距离速度; 并且如果由BFC形成的多个波束中的每个分辨率单元存在多于一个的回波，则只有获得最大功率或最大信噪比的回波和BFC被认为是有效的。

公开(公告)号：US08299958B2

公开(公告)日：2012-10-30

申请号：US12881230

申请日：2010-09-14

Applicant: Stépahne Kemkemian ,  Pascal Cornic ,  Patrick Le Bihan ,  Myriam Nouvel-Fiani

Inventor： Stépahne Kemkemian ,  Pascal Cornic ,  Patrick Le Bihan ,  Myriam Nouvel-Fiani

IPC: G01S13/42

CPC classification number: G01S13/426 ,  G01S13/72 ,  G01S13/9303 ,  G01S2013/0254

Abstract: An airborne radar device having a given angular coverage in elevation and in azimuth includes a transmit system, a receive system and processing means for carrying out target detection and location measurements. The transmit system includes: a transmit antenna made up of at least a first linear array of radiating elements focusing a transmit beam, said arrays being approximately parallel to one another; at least one waveform generator; means for amplifying the transmit signals produced by the waveform generator or generators; and means for controlling the transmit signals produced by the waveform generator or generators, said control means feeding each radiating element with a transmit signal. The radiating elements being controlled for simultaneously carrying out electronic scanning of the transmit beam in elevation and for colored transmission in elevation.

Abstract translation: 具有高程和方位角的给定角度覆盖的机载雷达装置包括发射系统，接收系统和用于执行目标检测和位置测量的处理装置。 发射系统包括：发射天线，由至少第一线阵列辐射元件组成，辐射元件聚焦发射束，所述阵列彼此大致平行; 至少一个波形发生器; 用于放大由波形发生器或发生器产生的发射信号的装置; 以及用于控制由波形发生器或发生器产生的发射信号的装置，所述控制装置为每个辐射元件馈送发射信号。 被控制的辐射元件同时进行高度的发射光束的电子扫描和高程的彩色透射。

公开(公告)号：US20110187581A1

公开(公告)日：2011-08-04

申请号：US12698987

申请日：2010-02-02

Applicant: Stéphane Kemkemian ,  Myriam Nouvel

Inventor： Stéphane Kemkemian ,  Myriam Nouvel

IPC: G01S13/93

CPC classification number: G01S13/93

Abstract: A radar device includes means for emitting microwave-frequency signals; means for receiving signals reflected by a target; computation means; a plurality of antenna systems disposed around the aircraft, an antenna system comprising a set of emission antennas coupled to the emission means and a set of reception antennas coupled to the reception means, each antenna system being dedicated to the coverage of a given angular sector Ω; for a given antenna system, the antenna beam on reception being formed by CBF by the computation means on the basis of the signals received by the reception antennas and the antenna beam on emission is pointed by an electronic scanning system in a number greater than or equal to two of directions inside the given angular sector Ω. The invention applies notably in the field of airborne radars, in particular radars with large angular coverage and short range that are necessary for example for carrying out a function of the “see and avoid” type on drones, which function is also commonly called “Sense & Avoid”.

Abstract translation: 雷达装置包括用于发射微波频率信号的装置; 用于接收目标反射的信号的装置; 计算手段; 设置在飞机周围的多个天线系统，包括耦合到发射装置的一组发射天线和耦合到接收装置的一组接收天线的天线系统，每个天线系统专用于给定角扇区的覆盖＆OHgr ;; 对于给定的天线系统，由接收天线接收的信号和发射的天线波束由计算装置由CB​​F形成的接收天线波束由大于或等于数的电子扫描系统指向 到给定角度区域内的两个方向和OHgr。 本发明特别适用于机载雷达领域，特别是具有大的角度覆盖和短距离的雷达，例如用于执行无人机上“看见和避免”类型的功能所必需的，其功能也被称为“感知 ＆避免“。

公开(公告)号：US20100188283A1

公开(公告)日：2010-07-29

申请号：US12664813

申请日：2008-06-13

Applicant: Stephane Kemkemian ,  Helene Thuilliez ,  Myriam Nouvel

Inventor： Stephane Kemkemian ,  Helene Thuilliez ,  Myriam Nouvel

IPC: G01S13/95

CPC classification number: G01S13/953 ,  Y02A90/18

Abstract: The present invention relates to a method for characterizing an atmospheric turbulence by representative parameters measured by a radar. The emission beam of the radar carried by an aircraft scanning the zone of the turbulence, a measured parameter being the total variance of the velocity of the turbulence σU, this total variance at a point x0 inside the turbulence is the sum of the spatial variance of the spectral moment of order 1 of the signals received by the radar Var[M1({right arrow over (x)})] and of the spatial mean of the spectral moment of order 2 of the signals received Mean[M2({right arrow over (x)})], the moments being distributed as a vector {right arrow over (x)} sweeping an atmospheric domain around the point x0. The invention applies notably in respect of meteorological radars fitted to aircraft such as airliners for example.

Abstract translation: 本发明涉及通过由雷达测量的代表性参数来表征大气湍流的方法。 由飞机携带的雷达的发射光束扫描湍流区域，测量参数是湍流速度的总方差; U，湍流内的点x0处的总方差是空间 由雷达Var [M1（{right arrow over（x）}）]和接收到的信号的2阶频谱矩的空间平均值的频谱矩1的方差的平均值[M2（{ （x）上的右箭头）]，作为向量{（x）上的向右箭头}）分布的时刻在x0点周围扫描大气域。 本发明特别适用于安装在例如飞机的飞机上的气象雷达。