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    • 21. 发明申请
    • RANGE DETERMINATION APPARATUS AND METHOD
    • 范围确定装置和方法
    • WO2012035138A1
    • 2012-03-22
    • PCT/EP2011/066096
    • 2011-09-16
    • JAGUAR CARS LTDWIDDOWSON, PaulCUND, Mark
    • WIDDOWSON, PaulCUND, Mark
    • G01S13/93G01S17/93G01S15/93G01S13/62G01S15/62
    • G01S13/931G01S7/40G01S7/4052G01S7/52004G01S13/582G01S13/584G01S15/582G01S15/586G01S15/931G01S2007/4082G01S2013/9325G01S2013/9346G01S2013/9375G01S2013/9389G01S2015/938
    • Embodiments of the invention provide apparatus (100) for detecting an erroneous measurement of a range of a target object 20 from a subject object (5) comprising:wireless transmission means (111) for transmitting a signal (111S) having a first frequency from the subject object (5) to the target object (20); detector means (113) for detecting a portion of the signal (113S) reflected from the target object (20) back to the subject object (5); range determination means (131) for determining the range (202) of the target object (20) from the subject object (5) by reference to a time of flight of said portion of the signal (111S), (113S) from the transmission means (111) to the detector means (113); and rate determination means (131) for determining the rate of change of the range (203) by reference to a difference between the first frequency and an apparent frequency of the reflected portion of the signal (113S) detected by the detector means (113), the apparatus (100) being arranged to provide an indication (206) that an erroneous measurement of range has been made if the range (202) determined by the range determination means (131) increases whilst the rate of change of range (203) determined by the rate determination means (131) is negative.
    • 本发明的实施例提供一种用于从目标对象(5)检测目标对象20的范围的错误测量的装置(100),包括:无线传输装置(111),用于发送具有第一频率的信号(111S) 被摄体(5)到目标对象(20); 检测装置(113),用于检测从目标物体(20)反射回到被摄体(5)的信号(113S)的一部分; 范围确定装置(131),用于通过参考来自传输的信号(111S)的所述部分(113S),(113S)的飞行时间来从目标对象(5)确定目标对象(20)的范围(202) 对检测器装置(113)的装置(111); 以及速率确定装置(131),用于通过参考由检测器装置(113)检测的信号(113S)的反射部分的第一频率和视频之间的差来确定范围(203)的变化率, 如果由范围确定装置(131)确定的范围(202)增加,同时变化范围(203)的范围(202)被设置为提供如下范围的错误测量范围的指示(206) 由速率确定装置(131)确定为负。
    • 24. 发明申请
    • TWO-MODE RADAR LEVEL GAUGE SYSTEM
    • 双模式雷达液位计系统
    • WO2007043950A3
    • 2007-08-02
    • PCT/SE2006001157
    • 2006-10-13
    • ROSEMOUNT TANK RADAR ABEDVARDSSON OLOV
    • EDVARDSSON OLOV
    • G01F23/284G01S13/08
    • H01Q1/225G01F23/284G01S7/4052G01S7/4056G01S13/88G01S2007/4082H01Q15/14
    • A radar level gauge system for gauging the level of a filling material in a container is disclosed. The system comprises a waveguide extending towards the surface of said filling material; a transmitter for transmitting a microwave signal of a first mode of propagation in the waveguide; and a receiver for receiving the microwave signal reflected against the surface of the filling material and propagating back through the waveguide. Further, it comprises a processing circuitry for determining the filling level of the container based on the reflected microwave signal; and a transition element connecting the waveguide and the transmitter, wherein the transition element is configured to allow a part of the transmitted microwave signal to leak into a second mode of propagation. The first and second modes of propagation are within a frequency band which admits propagation of said microwave signal in the two different modes of propagation in the waveguide, wherein the receiver is arranged to receive the microwave signal in the at least two different modes of propagation.
    • 公开了一种用于测量容器中填充材料的水平的雷达物位计系统。 该系统包括朝向所述填充材料的表面延伸的波导; 发射器,用于在波导中发射第一传播模式的微波信号; 以及接收器,用于接收在填充材料的表面上反射并通过波导传回的微波信号。 此外,它包括用于基于反射的微波信号确定容器的填充水平的处理电路; 以及连接所述波导和所述发射器的过渡元件,其中所述过渡元件被配置为允许所述发射的微波信号的一部分泄漏到第二传播模式中。 第一和第二传播模式在允许所述微波信号在波导中的两种不同传播模式中传播的频带内,其中接收器被布置成以至少两种不同传播模式接收微波信号。
    • 26. 发明申请
    • レーダ装置
    • 雷达设备
    • WO2003062852A1
    • 2003-07-31
    • PCT/JP2002/000317
    • 2002-01-18
    • 株式会社日立製作所黒田 浩司高野 和朗岡井 文彦
    • 黒田 浩司高野 和朗岡井 文彦
    • G01S13/93
    • G01S7/4026G01S7/4056G01S13/345G01S13/931G01S2007/4034G01S2007/4082G01S2007/4091G01S2013/9353G01S2013/9375
    • A radar apparatus mounted on a moving object moving along a continuous plane comprises (1) a transceiver unit for transmitting a signal having a main lobe in the moving direction of the moving object and a side lobe directed toward the continuous plane and for receiving a first reflection signal from a target in the main lobe direction and a second reflection signal from the continuous plane in the side lobe direction and (2) control processing means for detecting the frequency of a beat signal of the second reflection signal received by the transceiver unit and the signal emitted by the transceiver unit and for detecting information correlated to the posture of the radar apparatus with respect to the continuous plane on the basis of the frequency. As a result, the variation in the posture of the mounted radar device with respect to the moving object can be detected without adding any hardware.
    • 安装在沿着连续平面移动的移动物体上的雷达装置包括:(1)收发器单元,用于在移动物体的移动方向上传输具有主瓣的信号,以及指向朝向连续平面的侧叶,并且用于接收第一 在主瓣方向上的目标的反射信号和来自旁瓣方向上的连续平面的第二反射信号和(2)用于检测由收发器单元接收的第二反射信号的拍频信号的频率的控制处理装置,以及 由收发器单元发出的信号,并且用于基于频率检测与雷达装置相对于连续平面的姿势相关的信息。 结果,可以在不增加任何硬件的情况下检测安装的雷达装置相对于移动物体的姿势的变化。
    • 27. 发明申请
    • WINDSHEAR RADAR TEST SYSTEMS AND METHODS
    • WINDSHEAR雷达测试系统和方法
    • WO1994029742A1
    • 1994-12-22
    • PCT/US1994001350
    • 1994-02-07
    • REPUBLIC ELECTRONICS CO.
    • REPUBLIC ELECTRONICS CO.MICHAELS, John, F.RUBIN, William, F.
    • G01S07/40
    • G01S13/953G01S7/4052G01S2007/4082Y02A90/18
    • A portable test system is arranged to enable testing of an aircraft-mounted radar system. Simulated radar returns are transmitted via a test antenna positioned a short distance from an aircraft parked on an airport surface. The varying amplitude of received radar pulses is analyzed as the test antenna is illuminated by the main beam and side lobes of the radar antenna pattern as the radar beam is scanned. By controlling the amplitude of the simulated radar returns in inverse relation to the amplitude of received radar pulses, simulated radar returns inserted off beam center line are interpreted by the radar system as received on the beam center line. Test system transmissions, which may incorporate windshear effect test data, are thus enabled to create simulated effects usable for testing radar system response to a variety of airborne conditions, such as windshear. Test methods are also described.
    • 便携式测试系统被安排为能够测试飞机安装的雷达系统。 模拟的雷达返回通过位于与停放在机场表面上的飞机相距很短距离的测试天线来传输。 当扫描雷达波束时,由雷达天线图案的主波束和旁瓣照射测试天线,分析接收的雷达脉冲的变化幅度。 通过控制模拟雷达回波的振幅与接收到的雷达脉冲的振幅成反比关系,雷达系统在射束中心线上接收的模拟雷达回波被解析。 因此,可以包含风切变效应测试数据的测试系统传输能够产生可用于测试雷达系统对各种空气条件(例如风切变)的响应的模拟效果。 还描述了测试方法。
    • 29. 发明申请
    • RADAR SYSTEM AND METHOD WITH MALFUNCTION MONITORING
    • 雷达系统和具有故障监测的方法
    • WO2017065678A1
    • 2017-04-20
    • PCT/SE2016/050984
    • 2016-10-12
    • QAMCOM TECHNOLOGY AB
    • PERNSTÅL, ThomasSMITH JONFORSEN, Gary
    • G01S7/00G01S7/40G01S13/86G01S13/87G01S13/91G08G1/00B61L23/04B61L29/30H01Q1/44H01Q15/14H01Q15/18
    • G01S7/003B61L23/041B61L29/30G01S7/4004G01S7/4026G01S7/4052G01S13/86G01S13/862G01S13/867G01S13/87G01S13/91G01S2007/4039G01S2007/4082G01S2007/4091H01Q1/1242H01Q1/3216H01Q1/3225H01Q1/44H01Q3/267H01Q3/40H01Q15/14H01Q19/106
    • A radar system for monitoring a region of interest (ROI), wherein the radar system includes an antenna arrangement for emitting and receiving electromagnetic radar radiation and a signal processing arrangement for generating signals to be emitted in operation as corresponding electromagnetic radar radiation from the antenna arrangement to the region of interest (ROI) and also for processing received signals resulting from reflections of the electromagnetic radar radiation from one or more objects present in the region of interest (ROI). The radar system is arranged such that at least one of the one or more objects present in the region of interest (ROI) includes a radar radiation reflecting target. The signal processing arrangement is operable to determine a component of the received signals corresponding to the radar radiation reflecting target, and to monitor over a period of time changes in the component of the received signals, wherein changes in the component greater than at least one threshold value are indicative of a malfunction of the radar system and/or a change in a status of the region of interest (ROI) that is potentially hazardous. The radar system is operable to compare additional sensor signals, wherein the additional sensor signals are other than the received signals resulting from reflections of the electromagnetic radar radiation from one or more objects present in the region of interest (ROI), against one or more associated threshold values to determine whether or not a malfunction or hazardous situation has arisen, and to fuse the additional sensor signals with an indication of the malfunction or hazardous situation as generated by the component of the received signals. The radar system is arranged to employ cued search capabilities for processing the received signals corresponding to the radar radiation reflecting target and the additional sensor signals.
    • 一种用于监测感兴趣区域(ROI)的雷达系统,其中雷达系统包括用于发射和接收电磁雷达辐射的天线装置和用于生成在操作中发射的信号的信号处理装置, 相应的电磁雷达辐射从天线装置到感兴趣区域(ROI),并且还用于处理由来自存在于感兴趣区域(ROI)中的一个或多个物体的电磁雷达辐射的反射所产生的接收信号。 雷达系统被布置为使得存在于感兴趣区域(ROI)中的一个或多个物体中的至少一个包括雷达辐射反射目标。 信号处理装置可操作用于确定与雷达辐射反射目标相对应的接收信号的分量,并且在一段时间内监测接收信号的分量中的变化,其中分量中的变化大于至少一个阈值 值表示雷达系统故障和/或潜在危险的感兴趣区域(ROI)状态的变化。 雷达系统可操作以比较额外的传感器信号,其中附加传感器信号不同于来自存在于感兴趣区域(ROI)中的一个或多个物体的电磁雷达辐射的反射所产生的接收信号,而不是与一个或多个相关联的 阈值以确定是否出现故障或危险情况,并且将附加传感器信号与由接收信号的分量产生的故障或危险情况的指示融合。 雷达系统被安排为采用提示搜索能力来处理对应于雷达辐射反射目标和附加传感器信号的接收信号。
    • 30. 发明申请
    • VERIFICATION OF A LEVEL GAUGE SYSTEM
    • 水准仪表系统的验证
    • WO2014051482A1
    • 2014-04-03
    • PCT/SE2013/000136
    • 2013-09-05
    • ROSEMOUNT TANK RADAR AB
    • WIDAHL, ChristofferLARSSON, Michael
    • G01F25/00
    • G01F25/0061G01F23/284G01S7/4052G01S13/88G01S2007/4065G01S2007/4082
    • The present invention relates to a method of verifying a measurement accuracy of a level gauge system. The method comprises determining a first measurement value indicative of a time-of-flight of a first electromagnetic reflection signal to a reference reflector and back; determining a measurement unit verification measurement value based on a response signal from a verification arrangement; determining a second measurement value indicative of a time-of-flight of a second electromagnetic reflection signal to the reference reflector and back; and determining a verification result based on the first measurement value, the second measurement value and the measurement unit verification measurement value. Through embodiments of the present invention, it will be verified that the measurement unit is functioning correctly and that level gauge system works as it should also after being reconnected to the propagation device.
    • 本发明涉及一种验证液位计系统的测量精度的方法。 该方法包括:将指示第一电磁反射信号的飞行时间的第一测量值确定为参考反射器并返回; 基于来自验证装置的响应信号确定测量单元验证测量值; 将指示第二电磁反射信号的飞行时间的第二测量值确定到参考反射器并返回; 以及基于第一测量值,第二测量值和测量单元验证测量值来确定验证结果。 通过本发明的实施例,将验证测量单元正常工作,并且该液位计系统在重新连接到传播装置之后也应该工作。