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公开(公告)号：US4151525A
公开(公告)日：1979-04-24
申请号：US810668
申请日：1977-06-28
CPC分类号： G01S13/42 , G01S13/02 , G01S13/341 , G01S13/82 , G01S5/12
摘要： The disclosed system is intended to supply angular and range data regarding the position of an object to be located in a reference system. The system comprises an interrogator which transmits a linearly frequency-modulated signal to a transponder disposed on the object. The transponder is provided with means for shifting the frequency of the received signal in one direction by a predetermined amount characteristic of that transponder and means for retransmitting the received signal. The interrogator further includes a pair of receiving antennas whose signals are used for forming beat signals with the transmitted signal. The interrogator is also provided with means for shifting the frequency of the beat signals in the other direction by the same amount. At least one of the shifted beat signals is applied to a frequency discriminator whose output signal is utilized for controlling the slope of the modulation signal in order to keep the frequency of the shifted beat signal constant.
摘要翻译： 所公开的系统旨在提供关于要位于参考系统中的对象的位置的角度和范围数据。 该系统包括将线性频率调制信号发送到设置在物体上的应答器的询问器。 应答器具有用于将接收到的信号的频率沿一个方向移动该转发器的预定量特性的装置和用于重发接收到的信号的装置。 询问器还包括一对接收天线，其信号用于与所传送的信号一起形成节拍信号。 询问器还设置有用于将拍频信号在另一方向上的频率偏移相同量的装置。 移位的差拍信号中的至少一个被施加到频率鉴别器，其输出信号用于控制调制信号的斜率，以保持移位的拍频信号的频率恒定。
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公开(公告)号：US4064510A
公开(公告)日：1977-12-20
申请号：US697738
申请日：1976-06-18
申请人： Maurice Chabah
发明人： Maurice Chabah
CPC分类号： G01S13/9023
摘要： The invention relates to side-looking radar systems and more especially to high altitude airborne radar systems functioning at a high repetition frequency. In order to avoid ambiguities in regard to distance, the antenna comprises an additional channel which has a radiation pattern which has an odd symmetry about its axis and means are connected to said antenna for deriving the angular interval relative to the axis of the antenna of the direction of the obstacle corresponding to the received echoes. Gating means select the angular interval signal at the middle of the recurrence, for controlling the recurrence frequency of the radar and maintaining the ambiguous areas outside the selected observed area.
摘要翻译： 本发明涉及侧视雷达系统，更具体地涉及以高重复频率工作的高空机载雷达系统。 为了避免距离方面的歧义，天线包括附加通道，该通道具有关于其轴线具有奇对称性的辐射图案，并且装置连接到所述天线，用于导出相对于天线的天线的轴的角度间隔 对应于接收到的回波的障碍物的方向。 选通意味着在复发中间选择角度间隔信号，用于控制雷达的复发频率，并保持所选观察区域以外的模糊区域。
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公开(公告)号：US4021801A
公开(公告)日：1977-05-03
申请号：US120684
申请日：1971-03-03
申请人： Leon Chernick
发明人： Leon Chernick
CPC分类号： F41G7/2246 , F41G7/2286 , G01S13/586 , G01S13/68
摘要： Hybrid digital processor of a missile guidance system in which the input spectrum is mixed, limited, sampled, and fed to a recirculating shift register. Sampled values of the shift register, with the same oscillator controlling the sampling rate of the limiter and the shift register, are mixed with a signal from a voltage controlled oscillator and fed to a threshold pulse generator which is connected to a sampling logic circuit that feeds a series of counters.
摘要翻译： 导弹引导系统的混合数字处理器，其中输入频谱被混合，限制，采样并馈送到再循环移位寄存器。 移位寄存器的采样值与控制限幅器和移位寄存器采样率的相同振荡器与来自压控振荡器的信号混合并馈送到阈值脉冲发生器，阈值脉冲发生器连接到采样逻辑电路 一系列柜台。
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公开(公告)号：US3810175A
公开(公告)日：1974-05-07
申请号：US21821772
申请日：1972-01-17
申请人： HUGHES AIRCRAFT CO
发明人： BELL W
CPC分类号： G01S13/94
摘要： A terrain clearance or following system that provides terrain clearance information in depth from large elevation depression angles out along the projected aircraft ground track to the horizon. The aircraft projected ground track is displayed on a cathode ray tube by a heavy along track line and the intersection of the aircraft velocity vector with the terrain is displayed by the intersection of the along track line and a flight path reference line. The range to the top of a first hill is displayed at the end of a first segment of the along track line and the distance across the valley between first and second hills is displayed as a blank space between the first and a second segment of the along track line. The range to the top of succeeding hills is displayed by additional segments of the along track line. This system operates with simultaneous display of a radar line of sight range line and a terrain clearance reference line representing an imaginary clearance plane at a selected distance below the aircraft. A down look reference line representing the range to the clearance plane at the maximum depression angle may also be displayed.
摘要翻译： 一个地形清除或跟随系统，沿着预计的飞机地面轨道向地平线提供从大高度俯仰角度的深度的地形清除信息。 飞机投影地面轨道由重的轨道线显示在阴极射线管上，飞机速度矢量与地形的交点通过沿轨道线和飞行路线参考线的交点显示。 在第一山丘的顶部的范围被显示在沿着轨道线的第一段的末端，并且在第一和第二山丘之间的谷的距离被显示为在沿着轨迹线的第一和第二段之间的空白空间 轨道线。 到达山丘顶部的范围由沿轨道线的其他段显示。 该系统同时显示雷达视线范围线和在飞机下方所选距离处表示虚拟间隙平面的地形间隙参考线。 还可以显示表示在最大俯角下的间隙平面的范围的俯视参考线。
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5.发明授权Receivers for angular measurement systems, in particular to radar system receivers 失效用于角度测量系统的接收机，特别是雷达系统接收机
公开(公告)号：US3680102A
公开(公告)日：1972-07-25
申请号：US3680102D
申请日：1970-02-12
申请人： THOMSON CSF
发明人： POINSARD HENRI
CPC分类号： G01S13/4445
摘要： In a receiver of an angular measurement system of the type in which an angular indication is given by the ratio of two simultaneously received signals A and B, the useful signal is obtained through alternately phase detecting signals A + jB and A - jB with either signal A or alternately signals A - jB and A + jB, and alternately inverting the sign of the phase detection signal thus obtained. Distortions due to amplification are thus avoided.
摘要翻译： 在通过两个同时接收的信号A和B的比率给出角度指示的角度测量系统的接收机中，通过交替相位检测信号A + jB和A-jB获得有用信号，其中任一信号 A或交替地信号A-jB和A + jB，并且交替地反转由此获得的相位检测信号的符号。 因此避免了由于扩增引起的变形。
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公开(公告)号：US4134113A
公开(公告)日：1979-01-09
申请号：US788208
申请日：1977-04-18
申请人： Norman F. Powell
发明人： Norman F. Powell
CPC分类号： G01S13/9023
摘要： A synthetic aperture radar in which radial motion compensation is provided by a monopulse null tracking loop which tracks the null position of a stabilized monopulse antenna, and in which tangential motion compensation is provided by a tangential velocity measurement loop which tracks the cross-over angle of the monopulse antenna pattern. Since the motion compensation for the synthetic aperture radar is made in relation to a stabilized monopulse antenna, the imaging process for the synthetic aperture radar may be controlled in response to the angular scan rate of the antenna.
摘要翻译： 一种合成孔径雷达，其中径向运动补偿由跟踪稳定单脉冲天线的零位的单脉冲零跟踪循环提供，其中切向运动补偿由跟踪速度测量循环的切向速度测量回路提供， 单脉冲天线图案。 由于合成孔径雷达的运动补偿相对于稳定的单脉冲天线进行，所以可以响应于天线的角度扫描速率来控制合成孔径雷达的成像过程。
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公开(公告)号：US3956749A
公开(公告)日：1976-05-11
申请号：US351727
申请日：1973-04-16
申请人： William Ray Magorian
发明人： William Ray Magorian
CPC分类号： G01S13/325
摘要： An attack warning system for alerting ground troops or ships to the possiity of attack by enemy aircraft. The system establishes a detection shell at a range of 3 miles covering 360.degree. in azimuth and 60.degree. in elevation. The bearing measurement is obtained by a combination of antenna pattern shape and P-N Code modulation. A pair of oppositely facing receiving antennas and a pair of oppositely facing transmitting antennas located orthogonally with respect to the receiving antennas provide the 360.degree. coverage. The azimuth pattern of each antenna covers 180.degree.. The system provides target bearing information by applying different codes to each of the two opposed transmit antennas and multiply decoding the received signals.
摘要翻译： 一个警戒系统，用于警惕地面部队或船只对敌机的攻击。 该系统在3英里范围内建立了一个检测壳，覆盖360°方位角和60度高程。 轴承测量通过天线图案形状和P-N码调制的组合获得。 一对相对的接收天线和一对相对于接收天线正交放置的相对的发射天线提供360°的覆盖。 每个天线的方位角图覆盖180°。 该系统通过对两个相对的发射天线中的每一个应用不同的码并且对接收到的信号进行乘法解码来提供目标承载信息。
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公开(公告)号：US3940766A
公开(公告)日：1976-02-24
申请号：US349517
申请日：1973-04-05
申请人： David C. Cross , Dean D. Howard
发明人： David C. Cross , Dean D. Howard
CPC分类号： G01S7/2926 , G01S13/4445
摘要： The disclosed invention provides an accurate, simple and flexible method processing the receiver output of a high range resolution monopulse tracking radar to generate range and angle tracking error voltages based on the location of only the leading edge of the target echo replacing the conventional analog range error detectors and angle error processors in closed tracking loop systems. The invention also processes the radar return signal to avoid interference from repeater jammers or multipath returns at low angle tracking.
摘要翻译： 所公开的发明提供了一种用于处理高范围分辨率单脉冲跟踪雷达的接收机输出的精确，简单和灵活的方法，以基于仅替换传统模拟范围的目标回波的前沿的位置来产生范围和角度跟踪误差电压 闭路跟踪系统中的误差检测器和角度误差处理器。 本发明还处理雷达返回信号，以避免来自中继器干扰的干扰或以低角度跟踪的多径返回。
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公开(公告)号：US3765019A
公开(公告)日：1973-10-09
申请号：US3765019D
申请日：1972-03-20
申请人： UNITED AIRCRAFT CORP
发明人： KOSOWSKY L
CPC分类号： G01S13/913
摘要： Selected ones of a sequence of radar reflectors disposed adjacent to a runway are oriented in such a fashion that the relative direction vector between an aircraft approaching a runway and illuminating the reflectors with its radar can be determined to be too high, too low, or too far to the right or left by failure to receive a response from those of the reflectors oriented to provide a response only within certain angles of a preferred approach vector. The glide slope orientation may be viewed directly on a radar scope, or presented as discrete indications of failure to be within the prescribed vector. Range gating the response is also disclosed.
摘要翻译： 以与跑道相邻设置的一系列雷达反射器中的选定的方式被定向成使得接近跑道的飞行器与其雷达照射反射器之间的相对方向矢量可以被确定为太高，太低或太高 没有收到来自反射器的响应的右侧或左侧，其方向仅在优选方向矢量的某些角度内提供响应。 滑翔坡方向可以直接在雷达视野上观看，或作为不符合规定矢量的离散指示呈现。 还披露了响应的范围。
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