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    • 5. 发明授权
    • Wide area high resolution SAR from a moving and hovering helicopter
    • 广泛的高分辨率SAR从一个移动和悬停的直升机
    • US07728756B2
    • 2010-06-01
    • US11894069
    • 2007-08-20
    • Kapriel V. KrikorianRobert A. RosenMichael Gubala
    • Kapriel V. KrikorianRobert A. RosenMichael Gubala
    • G01S13/90H01Q15/14
    • G01S13/9035G01S2013/9082
    • A hovering helicopter has a radar transmitter/receiver for transmitting radar pulses for illuminating a target for SAR imaging, and rotor blades for generating lift. Radar reflectors are on the rotor blades. The radar reflectors are oriented to reflect the radar pulses from the transmitter to the target as the rotor blades rotate. The radar pulses reflected by the moving reflector from the transmitter are timed to generate the synthetic aperture image using radar returns from the target. The receiver also receives blade returns directly reflected from the moving reflectors attached to the lift rotor blades. The receiver analyzes the blade returns to extract motion details of the reflectors and uses the motion details for motion compensation of target returns for SAR imaging.
    • 悬停的直升机具有雷达发射器/接收器,用于发射用于照射SAR成像目标的雷达脉冲,以及用于产生电梯的转子叶片。 雷达反射器位于转子叶片上。 当转子叶片旋转时,雷达反射器被定向以将发射器的雷达脉冲反射到目标。 来自发射机的移动反射器反射的雷达脉冲被定时以使用来自目标的雷达返回产生合成孔径图像。 接收器还接收从附接到提升转子叶片的运动反射器直接反射的叶片返回。 接收机分析刀片返回以提取反射器的运动细节,并使用运动细节进行SAR成像的目标返回的运动补偿。
    • 6. 发明授权
    • Waveform ambiguity optimization for bistatic radar operation
    • 双基地雷达运行波形模糊优化
    • US07333049B2
    • 2008-02-19
    • US11352072
    • 2006-02-10
    • Kapriel V. KrikorianRobert A. Rosen
    • Kapriel V. KrikorianRobert A. Rosen
    • G01S13/52
    • G01S13/003G01S13/52
    • A radar transmitter is at a first location on a moving platform and illuminates a target with a sequence of frequency modulated radar pulses. The frequency modulated pulses are linear frequency modulated, i.e. chirped. The target reflects the frequency modulated radar pulses. A receiving antenna has a difference pattern null and receives the reflections from the target as a main scatterer and an ambiguity of the main scatterer. The sequence of pulses change the start of their frequency modulation (chirp) over a SAR array. The change in start frequency from pulse to pulse allows to shift the range ambiguity so as to align with the delay/Doppler difference pattern null of the antenna. Thus, both the main scatterer as well as the shifted range ambiguity are on the difference pattern null, facilitating their cancellation.
    • 雷达发射器位于移动平台上的第一位置,并用一系列频率调制的雷达脉冲照射目标。 频率调制脉冲是线性调频的,即啁啾的。 目标反映了调频雷达脉冲。 接收天线具有差模式零,并且接收来自目标的反射作为主散射体和主散射体的模糊性。 脉冲序列通过SAR阵列改变其频率调制(啁啾)的开始。 从脉冲到脉冲的起始频率的变化允许移动范围模糊度,以便与天线的延迟/多普勒差分图形零点对齐。 因此,主要的散射体以及移动的范围模糊度都在差异模式为零,便于取消。
    • 7. 发明授权
    • Technique for compensation of transmit leakage in radar receiver
    • 雷达接收机传输泄漏补偿技术
    • US07202812B2
    • 2007-04-10
    • US11144131
    • 2005-06-03
    • Kapriel V. KrikorianRobert A. Rosen
    • Kapriel V. KrikorianRobert A. Rosen
    • G01S13/00G01S7/28
    • H04B1/525G01S7/038G01S7/352G01S13/32G01S2007/356
    • A radar system (500) radiates a radar transmit signal, has a radar signal receiver (503) and a canceller (505) for canceling leakage of the transmit signal into the radar signal receiver (503). The canceller (505) comprises a digital waveform generator (528) for generating a first digital signal converted to an analog waveform. The analog waveform is amplified after a fixed delay (534) to generate a first cancellation signal input into a circulator (504). The circulator combines the first cancellation signal with the leakage to generate a first corrected signal. A summer (507) combines the first corrected signal from the circulator with a second cancellation signal to generate a second corrected signal. The second cancellation signal is generated by a digital cancellation filter (526). The digital cancellation filter (526) has as an input the first digital signal from the digital waveform generator (528). The digital cancellation filter (526) is controlled using weight adjustments computed by an adaptive weight processor (518). The adaptive weight processor (518) samples the second corrected signal and computes the weight adjustments to optimize the second cancellation signal.
    • 雷达系统(500)辐射雷达发射信号,具有用于消除发射信号泄漏到雷达信号接收机(503)中的雷达信号接收机(503)和消除器(505)。 消除器(505)包括用于产生转换为模拟波形的第一数字信号的数字波形发生器(528)。 模拟波形在固定延迟(534)之后被放大,以产生输入循环器(504)的第一消除信号。 循环器将第一抵消信号与泄漏组合以产生第一校正信号。 夏季(507)将来自循环器的第一校正信号与第二消除信号组合以产生第二校正信号。 第二消除信号由数字消除滤波器(526)产生。 数字消除滤波器(526)具有来自数字波形发生器(528)的第一数字信号作为输入。 使用由自适应加权处理器(518)计算的权重调整来控制数字消除滤波器(526)。 自适应加权处理器(518)对第二校正信号进行采样并计算加权调整以优化第二消除信号。
    • 8. 发明授权
    • Liquid filling system with improved set-up and fill weight calibration/verification capabilities
    • 液体灌装系统,具有改进的设置和填充重量校准/验证功能
    • US06941981B2
    • 2005-09-13
    • US10799066
    • 2004-03-11
    • Robert A. Rosen
    • Robert A. Rosen
    • B67C3/00B67C3/02B67C3/20B67C3/24B65B1/04
    • B67C3/005B67C3/001B67C3/02B67C3/20B67C3/24
    • An improved method and apparatus for a liquid filling system is herein disclosed incorporating means for generating greater overall production rate efficiencies (i.e. number of filled containers per minute per filling station) for automatic systems utilizing diverter valve and/or walking beam (i.e. continuous-motion) filling technologies with, for example, non-traditional ratios between the number of filling stations and the number of filling nozzles. The methods/apparatus disclosed herein also incorporate means to more efficiently changeover and clean up, in either a clean-in-place (CIP) or clean-out-of-place (COP) configuration, the product contact parts that become “dirty” when used in a production environment. Finally, an improved method and apparatus designed to provide a means for priming and air purging the product contact path of liquid filling machinery, a fill volume calibration procedure, and a fill weight verification cycle is also herein described.
    • 本文公开了一种用于液体填充系统的改进方法和装置,其包括用于为使用分流阀和/或步进梁的自动系统(即连续运动)产生更大的总生产率效率(即,每个加油站每分钟的填充容器的数量)的装置 )填充技术,例如加油站数量和填充喷嘴数量之间的非传统比例。 本文所公开的方法/装置还包括在现场清洁(CIP)或清洁就位(COP)配置中更有效地切换和清理的方法,使得变得“脏”的产品接触部件 当在生产环境中使用时。 最后,还描述了一种改进的方法和设备,其被设计为提供用于启动和吹扫液体灌装机械的产品接触路径,填充体积校准程序和填充重量校验循环的装置。
    • 9. 发明授权
    • Techniques for 3-dimensional synthetic aperture radar
    • 三维合成孔径雷达技术
    • US06741202B1
    • 2004-05-25
    • US10425217
    • 2003-04-29
    • Kapriel V. KrikorianJames G. ChowRobert A. Rosen
    • Kapriel V. KrikorianJames G. ChowRobert A. Rosen
    • G01S1390
    • G01S13/9023
    • The height of a radar target above a horizontal plane at a location within the horizontal plane is measured using a synthetic aperture radar (SAR). The synthetic aperture radar is mounted on a moving platform. The moving platform moves along a continuous climbing path with respect to the horizontal plane acquiring a plurality of SAR arrays of radar return information. Monopulse , Interferometric SAR (IF-SAR), and shadow length height measurements are fused to refine the target height measurement. Monopulse and IFSAR are combined to resolve target height ambiguities. The SAR arrays are separated vertically, at separate heights with respect to the target, and acquired sequentially in time, as a single pass.
    • 使用合成孔径雷达(SAR)测量雷达目标在水平面内水平面上方的高度。 合成孔径雷达安装在移动平台上。 移动平台相对于水平平面沿着连续攀爬路径移动,获取多个SAR阵列的雷达返回信息。 单脉冲,干涉SAR(IF-SAR)和阴影长度高度测量融合,以细化目标高度测量。 组合Monopulse和IFSAR以解决目标高度模糊。 SAR阵列在相对于目标的不同高度处垂直分开,并且以时间顺序被单次获取。