CN107870320A - 用于分析处理雷达射束的方法和雷达设备 - Google Patents
用于分析处理雷达射束的方法和雷达设备 Download PDFInfo
- Publication number
- CN107870320A CN107870320A CN201710898561.1A CN201710898561A CN107870320A CN 107870320 A CN107870320 A CN 107870320A CN 201710898561 A CN201710898561 A CN 201710898561A CN 107870320 A CN107870320 A CN 107870320A
- Authority
- CN
- China
- Prior art keywords
- measurement signal
- single measurement
- radar
- radar wave
- product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
- G01S7/0232—Avoidance by frequency multiplex
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
- G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
- G01S7/354—Extracting wanted echo-signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4017—Means for monitoring or calibrating of parts of a radar system of HF systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4026—Antenna boresight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
- G01S7/356—Receivers involving particularities of FFT processing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
- G01S7/358—Receivers using I/Q processing
Abstract
本发明涉及一种用于分析处理雷达射束的方法。接收(S1)多个雷达波,并且,以复数的形式输出(S2)相应的单测量信号(xn)。通过将每个单测量信号(xn)与相应的共轭复数的单测量信号(xn)的分别至少一个乘积进行经加权的相加来求取和输出总测量信号(Λ,ΛN,ΛP,ΛP′)。
Description
技术领域
本发明涉及一种用于分析处理雷达射束的方法和一种雷达设备。
背景技术
为了借助于雷达探测对象,接收被反射的雷达波并且根据在二维的谱中的采样值决定,反射对象是否位于确定的单元位置(被测试单元,Cell-Under-Test,CUT)上。在这里,所基于的阈值具有大的意义,根据所述阈值识别对象。在阈值过大的情况下存在着这样的危险:实际的对象未被识别出。反之,在阈值过小的情况下可能发生不存在的对象的错误的识别,因为背景噪声已经被识别为对象。
发明内容
因此,重要的是,在探测之前改进信号质量并且实现尽可能大的信噪比(signal-to-noise ratio,SNR)。
为了改进信噪比,可以同时分析处理来自多个源的雷达波。借助相干积分进行可能的分析处理,如例如从文献EP 0 128 542 B1已知的那样。
出版文献Wang等人所著的“Differential Coherent Algorithm Based on FastNavigation-Bit Correction For Airborne GNSS-R Software Receivers”(清华大学科学与技术,18(1),2013年)公开了一种差分组合方法。
在Villanti等人所著的“Differential post detection integrationtechniques for robust code acquisition”(IEEE Transactions on Communications:IEEE通信汇刊,55(11),2007年)中找到一种用于应用在无线电数据传输和导航系统中的、借助于差分的分析处理对信号的替代的分析处理。
本发明实现一种根据本发明的用于分析处理雷达射束的方法和一种根据本发明的雷达设备。
因此,根据第一方面,本发明涉及一种用于分析处理雷达射束的方法,其中,接收多个雷达波,也就是说至少两个雷达波。对于所接收的每个雷达波,以复数的形式或者复数的表示法输出相应的单测量信号。通过将每个单测量信号与相应的共轭复数的单测量信号的分别至少一个乘积进行经加权的相加来求取和输出总测量信号。因此,计算在单测量信号和共轭复数的单测量信号之间的乘积并且将这些乘积进行加权和相加。
因此,根据第二方面,本发明涉及一种雷达设备,所述雷达设备具有接收装置,所述接收装置构造用于接收雷达波并且以复数的形式输出相应的单测量信号。雷达设备的分析处理装置构造用于通过将每个单测量信号与相应的共轭复数的单测量信号的分别至少一个乘积进行经加权的相加来求取和输出总测量信号。
优选的实施方式为相应的从属权利要求的主题。
相干积分对在不同的雷达波信号之间的相位差提出高的要求,然而所述相位差基于相位噪声、不确定的载波相位或者在时间上改变的相位而变动。本发明实现一种方法,该方法与准确的相位差无关地提供精确的结果。基于单测量信号与共轭复数的单测量信号的相乘,雷达波的基本上同样大的相位偏移(Phasendrehung)被抵消,所述相位偏移在雷达波的传播期间出现。信噪比相比于在非相干积分中更好,因为在接收路径之间的噪声干扰通常在统计上相互独立。如果接收信号或者单测量信号xn=zn+rn由有用信号zn和干扰性的噪声信号rn组成,则干扰信号的噪声功率 比当在非相干积分中使用噪声变量的量值形成时具有更小的方差,所述干扰信号由有噪声的接收信号的共轭复数的乘积产生。对于细节参阅以上所引用的、Villanti等人所著的出版文献。
优选地,也可以分别将乘积的实部而不是乘积本身进行相加。
根据所述方法的一种优选的扩展方案,在时间上错开地发送和/或接收雷达波,其中,将在时间上相邻地接收的雷达波的每个单测量信号与共轭复数的单测量信号的相应的乘积一起进行相加。在时间上相邻的雷达波中的相位差大多只是小的,从而在雷达波的传播时间期间的相位偏移基本上完全可以通过与共轭复数的单测量信号相乘来消除。优选地,可以以乘积的加权因子吸收余下的相位差,所述加权因子优选相应地选择。
根据所述方法的一种优选的扩展方案,将最近的在时间上的2·P个近邻的每个单测量信号与共轭复数的单测量信号的经加权的乘积一起进行相加。在这里,P为正的自然数,从而将之前的P个雷达波中的每一个和后来的P个雷达波中的每一个的单测量信号与共轭复数的单测量信号分别一起进行相加。
根据所述方法的另一种实施方式,仅仅将直接之前的和/或后来的雷达波的单测量信号与共轭复数的单测量信号的经加权的乘积和/或与共轭复数的单测量信号的经加权的乘积自身进行相加。因此,将单测量信号的经加权的量值平方或者将在时间上直接相邻的雷达波的单测量信号与共轭复数的单测量信号的经加权的乘积进行相加以确定单测量信号。
根据所述方法的另一种实施方式,仅仅将直接之前的P’个雷达波的单测量信号与相应的共轭复数的单测量信号的经加权的乘积以及与共轭复数的单测量信号的经加权的乘积自身进行相加,其中,P’为正的自然数。
根据另一种实施方式,在接收雷达波之前,借助于多个发送天线发送所述雷达波。在借助多个发送天线和/或接收天线测量时,相位偏差由于天线几何形状而保持恒定。因此,雷达波在传播时间期间的分别相等的相位偏移通过与共轭复数的单测量对的乘积来抵消。
根据所述方法的另一种实施方式,事先在至少部分地不同的频带中发送所接收的雷达波。优选地,通过相同的发送天线借助至少部分的不同的频带发送雷达波,从而雷达波自身的相位偏差或者相位差不出现,并且在雷达波的传播时间期间出现的相应的相位偏移完全通过相乘来消除。
根据另一种实施方式,设置乘积的相应的加权因子等于1。然而,优选地,也可以如此选择加权因子,使得信噪比被优化。
根据雷达设备的一种优选的扩展方案,发送装置具有多个发送天线,和/或,发送装置构造用于在至少部分地不同的频带中输出雷达波,和/或,发送装置构造用于在时间上错开地发送雷达波。
替代经加权的乘积地,也可以分别将未经加权的乘积进行相加。
附图说明
附图示出:
图1用于阐述根据本发明的一种实施方式的用于分析处理雷达射束的方法的流程图;
图2根据示例性的一种实施方式的用于产生总测量信号的示意性的流程图;以及
图3根据本发明的一种实施方式的雷达设备的示意性的方框图。
方法步骤的编号有助于明晰性并且通常不应意味着确定的时间顺序。尤其也可以同时执行多个方法步骤。不同的实施方式可以任意地相互组合,只要这是有意义的。
具体实施方式
图1示出用于阐述根据本发明的一种实施方式的用于分析处理雷达射束的方法的流程图。
在第一步骤S1中,接收多个雷达波。优选地,事先发送雷达波。可以例如以优选恒定的时间间隔在时间上错开地发送雷达波。此外,可以在不同的频带中发送雷达波,所述频带可以部分地重叠。在这里,雷达波可以通过一个或者通过多个发送天线发送。在使用多个发送天线的情况下,它们也可以例如同时地发送雷达波。
在第二方法步骤S2中,对于所接收的每个雷达波以复数的形式或者表示法输出相应的单测量信号xn。单测量信号xn具有幅度和复数的相位。
在第三方法步骤S3中,根据相应的单测量信号输出总测量信号。总测量信号相应于以下度量或者采样值:所述度量或者采样值可以被分析处理以识别对象的存在。根据一种实施方式,总测量信号通过单测量信号xn与单测量信号加权因子w′n相乘、通过将在所有单测量信号上的如此形成的乘积进行相加、以及通过形成这个和的量值平方、也即通过与共轭复数的参量相乘来形成。该表述也可以作为在单测量信号xn与相应的共轭复数的单测量信号的经加权的乘积上的双重求和(Doppelsumme)来表示,其中,以加权因子wni对乘积进行加权。这通过以下公式来表达:
参量N表示雷达波的数目。加权因子可以例如设置为1,然而也可以任意地预给定。尤其可以如此确定加权因子wni,使得信噪比最小。
替代地,总测量信号ΛN可以通过将单测量信号的绝对量值以及将单测量信号与相应的共轭复数的单测量信号的经加权的乘积的实部的两倍进行经加权的相加来表示,也就是说,根据以下公式:
因此,总测量信号ΛN形成实数的参量,该实数的参量的量值可以被分析处理以确定和识别对象。如果总测量信号ΛN大于预先给定的值,则尤其可以识别对象。
根据一种优选的实施方式,将总测量信号的乘积仅仅与其自身和/或与相邻的雷达波的共轭复数的单测量信号相乘。在这里,相邻的雷达波可以理解为在时间上相邻地发送的雷达波,例如所有之前的P个和后来的P个雷达波,其中,P为正数。相邻的雷达波也可以包括来自在空间上相邻的发送天线的雷达波,例如最近的在空间上的2·P个近邻。进一步地,相邻的雷达波也可以包括来自邻接的频率范围的雷达波,例如以下的2·P个雷达波:所述雷达波的频率范围的中心离所述单测量信号自身的频率范围的中心最近。因此,例如总测量信号ΛP可以确定为对最近的2·P个近邻的每个单测量信号与共轭复数的单测量信号的乘积求和,也就是说,根据以下公式:
在这里,P为正的自然数,例如P=1,并且N为雷达波的数目,例如N=10。
根据另一种优选的实施方式,通过这样的方式计算总测量信号ΛP’:将直接之前的P’个雷达波的每个单测量信号xn与相应的共轭复数的单测量信号xn的乘积的经加权的两倍的实部以及每个单测量信号xn与共轭复数的单测量信号自身的经加权的乘积进行相加,其中,P’为正的自然数。例如P’位于1和10之间、如P’等于1或2。因此,根据以下公式计算总测量信号ΛP’:
在图2中针对P’=2的情况说明用于示例性地计算总测量信号ΛP’的示意性的流程图。相应的单测量信号x1至x3与其共轭复数的值相乘并且与相应的加权因子w11至w33相乘。进一步地,借助于微分元件(Differenzierglied)D使单测量信号延迟并且使其与不同于所述单测量信号的单测量信号的共轭复数的值相乘并且与相应的加权因子w12、w13、w23相乘,以及接着形成实部。接着将所有如此形成的乘积进行相加以确定总测量信号ΛP’。
在图3中说明雷达设备1的方框图。雷达设备1具有发送装置2,所述发送装置构造用于发送多个雷达波。发送装置2可以例如具有多个用于发送雷达波的发送天线。此外,发送装置可以构造用于在至少部分地不同的频带中发送雷达波。发送装置2同样可以构造用于在时间上错开地发送雷达波。
此外,雷达设备1具有接收装置3,所述接收装置构造用于接收被反射的雷达波并且以复数的形式或者表示法输出相应的单测量信号。雷达设备1的分析处理装置4构造用于通过将每个单测量信号与相应的共轭复数的单测量信号的分别至少一个乘积进行经加权的相加来求取和输出总测量信号。分析处理装置4可以构造用于根据以上所说明的方法之一求取总测量信号。
在这里,发送装置2是可选的,并且,接收装置3尤其也可以构造用于从外部的源接收雷达波,例如从用于无线电广播转播、卫星导航或者移动无线电转播的源接收被反射的信号。
Claims (10)
1.一种用于分析处理雷达射束的方法,其具有以下步骤:
接收(S1)多个雷达波;
对于所接收的雷达波中的每一个,以复数的形式输出(S2)相应的单测量信号(xn);以及
通过将每个单测量信号(xn)与相应的共轭复数的单测量信号(xn)的分别至少一个乘积进行经加权的相加来求取(S3)和输出总测量信号(Λ,ΛN,ΛP,ΛP′)。
2.根据权利要求1所述的方法,其中,在时间上错开地接收所述雷达波,其中,将在时间上相邻地接收的雷达波的每个单测量信号(xn)与共轭复数的单测量信号(xn)的相应的经加权的乘积一起进行相加。
3.根据权利要求2所述的方法,其中,将最近的在时间上的2·P个近邻的每个单测量信号(xn)与共轭复数的单测量信号(xn)的经加权的乘积一起进行相加,其中,P为正的自然数。
4.根据权利要求2所述的方法,其中,仅仅将直接之前的和/或后来的雷达波的单测量信号(xn)与共轭复数的单测量信号(xn)的经加权的乘积和/或与所述共轭复数的单测量信号(xn)自身的经加权的乘积进行相加。
5.根据权利要求2所述的方法,其中,仅仅将直接之前的P’个雷达波的单测量信号(xn)与共轭复数的单测量信号(xn)的经加权的乘积以及与所述共轭复数的单测量信号(xn)自身的经加权的乘积进行相加,其中,P’为正的自然数。
6.根据以上权利要求中任一项所述的方法,其中,借助于多个发送天线发送和/或接收所接收的雷达波。
7.根据以上权利要求中任一项所述的方法,其中,在至少部分地不同的频带中发送和/或接收所接收的雷达波。
8.根据以上权利要求中任一项所述的方法,其中,设置所述乘积的相应的加权因子等于1。
9.一种雷达设备(1),其具有:
接收装置(3),所述接收装置构造用于接收雷达波并且以复数的形式输出相应的单测量信号(xn);和
分析处理装置(4),所述分析处理装置构造用于通过将每个单测量信号(xn)与相应的共轭复数的单测量信号(xn)的分别至少一个乘积进行经加权的相加来求取和输出总测量信号(Λ,ΛN,ΛP,ΛP′)。
10.根据权利要求9所述的雷达设备(1),其具有发送装置(2),所述发送装置构造用于发送雷达波,其中,所述发送装置(2)具有多个发送天线,和/或,其中,所述发送装置(2)构造用于在至少部分地不同的频带中发送雷达波,和/或,其中,所述发送装置(2)构造用于在时间上错开地发送雷达波。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016218643.4A DE102016218643A1 (de) | 2016-09-28 | 2016-09-28 | Verfahren zum Auswerten von Radarstrahlung und Radarvorrichtung |
DE102016218643.4 | 2016-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107870320A true CN107870320A (zh) | 2018-04-03 |
Family
ID=61563924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710898561.1A Pending CN107870320A (zh) | 2016-09-28 | 2017-09-28 | 用于分析处理雷达射束的方法和雷达设备 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10514443B2 (zh) |
CN (1) | CN107870320A (zh) |
DE (1) | DE102016218643A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112292607A (zh) * | 2018-06-21 | 2021-01-29 | 罗伯特·博世有限公司 | 用于分析处理雷达信号的方法和设备 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3727220A (en) * | 1971-09-13 | 1973-04-10 | Technology Service Corp | Adaptive receiving array method and apparatus for mti radar |
US6335701B1 (en) * | 1999-11-02 | 2002-01-01 | Mitsubishi Denki Kabushiki Kaisha | Radar system and coherent integrating method thereof |
JP2003014841A (ja) * | 2001-06-27 | 2003-01-15 | Mitsubishi Electric Corp | レーダ装置及びコヒーレント積分方法 |
US20060220950A1 (en) * | 2005-04-04 | 2006-10-05 | The Boeing Company | Sparse numerical array feed for compact antenna and RCS ranges |
US20160209489A1 (en) * | 2013-09-06 | 2016-07-21 | Continental Teves Ag & Co. Ohg | Method and communication apparatus for validating a data content in a wirelessly received communication signal, and use of the communication apparatus |
JP2016161409A (ja) * | 2015-03-02 | 2016-09-05 | 株式会社東芝 | レーダシステム及びそのレーダ信号処理方法 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3731311A (en) * | 1970-09-18 | 1973-05-01 | Hughes Aircraft Co | Polyphase encoding-decoding system |
DE3321264A1 (de) | 1983-06-13 | 1984-12-13 | Siemens AG, 1000 Berlin und 8000 München | Puls-doppler-radargeraet mit veraenderbarer pulsfolgefrequenz |
US4670854A (en) * | 1985-09-30 | 1987-06-02 | President And Fellows Of Harvard College | Optical cross-correlation and convolution apparatus |
US4800891A (en) * | 1987-11-13 | 1989-01-31 | Siemens Medical Laboratories, Inc. | Doppler velocity processing method and apparatus |
FR2743939B1 (fr) * | 1989-12-08 | 1998-07-31 | Thomson Csf | Procede et dispositif pour imposer un diagramme de rayonnement au repos a un reseau d'antennes de reception a formation adaptative de faisceau par le calcul |
US5184134A (en) * | 1991-11-27 | 1993-02-02 | Hughes Aircraft Company | Fast phase difference autofocus |
US5200754A (en) * | 1991-11-27 | 1993-04-06 | Hughes Aircraft Company | Fourth-order-product phase difference autofocus |
US5398259A (en) * | 1992-07-01 | 1995-03-14 | Nec Corporation | Decision-feedback equalizer for cancelling CW interference |
US7129888B1 (en) * | 1992-07-31 | 2006-10-31 | Lockheed Martin Corporation | High speed weighting signal generator for sidelobe canceller |
US5570691A (en) * | 1994-08-05 | 1996-11-05 | Acuson Corporation | Method and apparatus for real-time, concurrent adaptive focusing in an ultrasound beamformer imaging system |
EP1905352B1 (en) * | 1994-10-07 | 2014-07-16 | Masimo Corporation | Signal processing method |
ATE203109T1 (de) * | 1995-12-19 | 2001-07-15 | Siemens Schweiz Ag | Verfahren und amplituden- oder phasen- monopulsradargerät zur ortung von flugobjekten |
EP0837334B1 (de) * | 1996-10-16 | 2008-03-05 | Edgar Grassmann | Verfahren und Vorrichtung zur Bestimmung einfallender Empfangsleistung oder -energie wenigstens eines Signales |
US5999561A (en) * | 1997-05-20 | 1999-12-07 | Sanconix, Inc. | Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset |
US6273372B1 (en) * | 1999-04-28 | 2001-08-14 | Tolco Incorporated | Sway brace fitting |
EP1435143A2 (en) * | 2001-10-08 | 2004-07-07 | QinetiQ Limited | Signal processing system and method |
US7440988B2 (en) * | 2004-04-08 | 2008-10-21 | Raytheon Company | System and method for dynamic weight processing |
US7737885B2 (en) * | 2007-08-01 | 2010-06-15 | Infineon Technologies Ag | Ramp linearization for FMCW radar using digital down-conversion of a sampled VCO signal |
EP2315048A1 (en) * | 2009-10-22 | 2011-04-27 | Toyota Motor Europe NV/SA | Submillimeter radar using signals reflected from multiple angles |
JP5677830B2 (ja) * | 2010-12-22 | 2015-02-25 | 日本電産エレシス株式会社 | 電子走査型レーダ装置、受信波方向推定方法及び受信波方向推定プログラム |
EP2589980A1 (de) * | 2011-11-04 | 2013-05-08 | Leica Geosystems AG | Entfernungsmesser |
DE102011120244A1 (de) * | 2011-12-05 | 2013-06-06 | Johann-Wolfgang-Goethe Universität Frankfurt am Main | Empfängerarchitektur für orthogonale, Multiple-Input-Multiple-Output Radarsysteme |
US9244156B1 (en) * | 2012-02-08 | 2016-01-26 | Bae Systems Information And Electronic Systems Integration Inc. | Orthogonal polarization signal agnostic matched filter |
US9148341B2 (en) * | 2012-03-26 | 2015-09-29 | Jds Uniphase Corporation | Upgrading a programmable logic gate array in an in-service pluggable transceiver |
DE102013212090A1 (de) * | 2013-06-25 | 2015-01-08 | Robert Bosch Gmbh | Winkelauflösender FMCW-Radarsensor |
-
2016
- 2016-09-28 DE DE102016218643.4A patent/DE102016218643A1/de active Pending
-
2017
- 2017-09-27 US US15/716,637 patent/US10514443B2/en not_active Expired - Fee Related
- 2017-09-28 CN CN201710898561.1A patent/CN107870320A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3727220A (en) * | 1971-09-13 | 1973-04-10 | Technology Service Corp | Adaptive receiving array method and apparatus for mti radar |
US6335701B1 (en) * | 1999-11-02 | 2002-01-01 | Mitsubishi Denki Kabushiki Kaisha | Radar system and coherent integrating method thereof |
JP2003014841A (ja) * | 2001-06-27 | 2003-01-15 | Mitsubishi Electric Corp | レーダ装置及びコヒーレント積分方法 |
US20060220950A1 (en) * | 2005-04-04 | 2006-10-05 | The Boeing Company | Sparse numerical array feed for compact antenna and RCS ranges |
US20160209489A1 (en) * | 2013-09-06 | 2016-07-21 | Continental Teves Ag & Co. Ohg | Method and communication apparatus for validating a data content in a wirelessly received communication signal, and use of the communication apparatus |
JP2016161409A (ja) * | 2015-03-02 | 2016-09-05 | 株式会社東芝 | レーダシステム及びそのレーダ信号処理方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112292607A (zh) * | 2018-06-21 | 2021-01-29 | 罗伯特·博世有限公司 | 用于分析处理雷达信号的方法和设备 |
Also Published As
Publication number | Publication date |
---|---|
DE102016218643A1 (de) | 2018-03-29 |
US20180088212A1 (en) | 2018-03-29 |
US10514443B2 (en) | 2019-12-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Witvliet et al. | Near vertical incidence skywave propagation: Elevation angles and optimum antenna height for horizontal dipole antennas | |
EP2853048B1 (en) | Detection of intermodulation products | |
US7885688B2 (en) | Methods and systems for signal selection | |
CN101454991B (zh) | 用于在通信系统中抗干扰的方法和装置 | |
US8417207B2 (en) | High-performance cellular telephone receiver | |
US9660772B2 (en) | Detecting and processing weak signals using an array of antennas | |
CA2495855C (en) | Signal, interference and noise power measurement | |
JPH0879146A (ja) | ダイバーシチ受信装置 | |
EP3293547B1 (en) | Cepstrum-based multipath mitigation of a spread spectrum radiocommunication signal | |
Cuntz et al. | Field test: jamming the DLR adaptive antenna receiver | |
WO2015013602A2 (en) | Accurate timing distribution by high-frequency radio | |
US6993069B1 (en) | Simulation process of radiofrequency scenario in radio mobile environment and testing system employing said process | |
US11221433B2 (en) | System and method for determining characteristics of traveling ionospheric disturbances | |
Vilella et al. | An Antarctica-to-Spain HF ionospheric radio link: Sounding results | |
EP2659597B1 (en) | Signal processing for diversity combining radio receiver | |
CN107870320A (zh) | 用于分析处理雷达射束的方法和雷达设备 | |
JP2006515070A (ja) | 無線信号到来方向探知器 | |
Giesbrecht et al. | An empirical study of the probability density function of HF noise | |
Bergadà et al. | Polarization diversity in a long-haul transequatorial HF link from Antarctica to Spain | |
Fabrizio et al. | Exploiting multipath for blind source separation with sensor arrays | |
JP2002204193A (ja) | 移動通信システム | |
JP2005195347A (ja) | 方探センサ及び電波発射源位置推定システム | |
Ingala et al. | Baseline Measurement of the Environmental RF Noise Floor in the ISM Bands | |
Park et al. | A design of anti-jamming method based on spectrum sensing and GNSS software defined radio | |
US8565687B2 (en) | Signal detection assisted by use of moving antennae |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180403 |
|
WD01 | Invention patent application deemed withdrawn after publication |