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1. 发明授权

US6137438A Precision short-range pulse-echo systems with automatic pulse detectors 失效
标题翻译：具有自动脉冲探测器的精密短程脉冲回波系统
公开(公告)号：US6137438A
公开(公告)日：2000-10-24
申请号：US120994
申请日：1998-07-22
申请人： Thomas E. McEwan
发明人： Thomas E. McEwan
IPC分类号： G01S7/292 , G01S13/02 , G01S13/16 , G01S13/88 , G01S13/08 , G01S7/28
CPC分类号： G01S7/2922 , G01F23/284 , G01S13/0209 , G01S13/16 , B60R2021/01322 , G01S13/88
摘要： An equivalent time pulse-echo radar or other pulse-echo system employs a transmit reference sampler collocated with the transmitter to provide a transmit reference pulse, which initiates a pulse width modulated (PWM) pulse. A receive sampler connected to a receive antenna provides an echo-detection pulse that terminates the PWM pulse, such that the width of the PWM pulse indicates target range. The transmit reference sampler and the receive sampler are driven from a common clock such that transmit-receive timing offset drift precisely cancels on a picosecond scale, thereby enabling sub-mm range accuracy with common, low-cost circuit elements. The radar further includes automatically referenced pulse detectors that are responsive to either the magnitude or the phase of the sampler outputs. The radar can be used for precision tank level measurements, robotics, or automotive ranging applications.
摘要翻译：等效时间脉冲回波雷达或其他脉冲回波系统采用与发射机并置的发射参考采样器，以提供发射脉冲宽度调制（PWM）脉冲的发射参考脉冲。连接到接收天线的接收采样器提供终止PWM脉冲的回波检测脉冲，使得PWM脉冲的宽度指示目标范围。发射参考采样器和接收采样器由公共时钟驱动，使得发射接收定时偏移漂移以皮秒级精确地抵消，从而通过普通的低成本电路元件实现毫米范围精度。该雷达还包括响应采样器输出的幅度或相位的自动参考脉冲检测器。该雷达可用于精密油罐液位测量，机器人或汽车测距应用。

2. 发明授权

US4281327A Range corrector circuit for a bistatic passive radar display 失效
标题翻译：用于双基地无源雷达显示的范围校正电路
公开(公告)号：US4281327A
公开(公告)日：1981-07-28
申请号：US103327
申请日：1979-12-14
申请人： Lawrence M. Frazier , William H. Johnson
发明人： Lawrence M. Frazier , William H. Johnson
IPC分类号： G01S7/12 , G01S7/40 , G01S13/00 , G01S13/16 , G06G7/78
CPC分类号： G01S13/003 , G01S7/12 , G01S7/4004
摘要： The range corrector circuit uses two counters, one for the apparent range (R.sub.a) and one for the correct range (R.sub.c), and a random access memory (RAM). The R.sub.c counter is continuously incremented linearly and the R.sub.a counter is incremented in accordance with a range correction equation. Both counters are reset to one every time a transmitter pulse is received. A linear sweep is also initiated on the plan position indicator (PPI) display of the bistatic passive radar at that time. Target returns are entered into the RAM at the address specified by the R.sub.c counter and are read out of the RAM and applied to the PPI display at the address specified by the R.sub.a counter.
摘要翻译：范围校正器电路使用两个计数器，一个用于表观范围（Ra），一个用于正确范围（Rc）和一个随机存取存储器（RAM）。 Rc计数器连续递增，Ra计数器根据范围校正方程递增。每次接收到发射器脉冲时，两个计数器都将复位为1。当时的双基地无源雷达的平面位置指示（PPI）显示屏上也启动了线性扫描。目标返回以Rc计数器指定的地址输入到RAM中，并从RAM中读出并应用于由Ra计数器指定的地址处的PPI显示。

3. 发明授权

US4125835A Range or time-delay determining subsystem for use in certain radar-like systems 失效
标题翻译：范围或时间延迟确定子系统，用于某些类似雷达的系统
公开(公告)号：US4125835A
公开(公告)日：1978-11-14
申请号：US834565
申请日：1977-09-19
申请人： John N. Barry
发明人： John N. Barry
IPC分类号： G01S13/16 , G01S13/18 , G01S9/06 , G01S9/02
CPC分类号： G01S13/16 , G01S13/18
摘要： Complicated range gate radar systems are known for determining distance to a target, the target sometimes being centered in the range gate which may have a predetermined width equivalent to a predetermined distance. For example, the range gate may extend from 10,000 to 11,000 yards. The present invention provides a new and simple system for determining range to a target. A series of pulses of energy capable of being reflected from a target is transmitted. Consecutive pulses in the series are spaced apart in time by a predetermined interval and echo-pulses from the target are listened for for a time after each of a plurality of the transmitted pulses. The listening time for consecutive transmitted pulses is varied in a substantially linear manner from substantially zero to a maximum time less than the predetermined interval between transmitted pulses. The transmitted pulses are counted from the beginning of the measurement interval. When an echo is received, counting is stopped and the number of pulses counted is proportional to the distance to the target.
摘要翻译：已知复杂的范围门雷达系统用于确定到目标的距离，目标有时在范围门中心，其可以具有等于预定距离的预定宽度。例如，范围门可以从10,000延伸到11,000码。本发明提供了一种用于确定目标的范围的新的和简单的系统。传输能够从目标反射的一系列能量脉冲。串联中的连续脉冲在时间上间隔预定间隔，并且来自目标的回波脉冲在多个发射脉冲中的每一个之后被收听一段时间。连续发送脉冲的收听时间以基本线性的方式从基本上零到小于发送脉冲之间的预定间隔的最大时间。从测量间隔的开始开始发送脉冲。当接收到回波时，计数停止，计数的脉冲数与到目标的距离成比例。

4. 发明授权

US3013208A Means for improving the resolution of a digital timer 失效
标题翻译：用于提高数字定时器分辨率的方法
公开(公告)号：US3013208A
公开(公告)日：1961-12-12
申请号：US79292859
申请日：1959-02-12
申请人： EDWIN VOZNAK
发明人： EDWIN VOZNAK
IPC分类号： G01S13/16 , G04F10/10
CPC分类号： G01S13/16 , G04F10/105

5. 发明授权

US2405597A Frequency measuring system 失效
标题翻译：频率测量系统
公开(公告)号：US2405597A
公开(公告)日：1946-08-13
申请号：US46466442
申请日：1942-11-05
申请人： BELL TELEPHONE LABOR INC
发明人： MILLER OHMER R
IPC分类号： G01S13/16
CPC分类号： G01S13/16

6. 发明授权

US07098841B2 Methods and systems for controlling a height of munition detonation 失效
标题翻译：控制爆炸高度的方法和系统
公开(公告)号：US07098841B2
公开(公告)日：2006-08-29
申请号：US10987785
申请日：2004-11-12
申请人： James R. Hager , Glen Backes , Timothy J. Reilly
发明人： James R. Hager , Glen Backes , Timothy J. Reilly
IPC分类号： F42C13/04 , G01S13/18 , G01S13/16
CPC分类号： F42C13/04 , F42C13/047 , G01S7/038 , G01S13/882
摘要： A unit is described that is configured to control detonation of a munition such that the munition is detonated at a desired altitude. The unit includes a radar transmitter, a radar receiver that includes a radar range gate, and a sequencer. The sequencer is configured to receive a detonation altitude and set the range gate based on the received detonation altitude. The unit is also configured to output a detonation signal when radar return pulses received by the receiver aligned with gate delay pulses from the range gate.
摘要翻译：描述了一个单元，其被配置为控制弹药的爆炸，使得弹药以所需的高度被引爆。该单元包括雷达发射器，包括雷达测距门的雷达接收器和定序器。定序器配置为接收爆震高度，并根据接收到的爆震高度设置量程门。该单元还被配置为当由接收机接收的雷达返回脉冲与来自范围门的门延迟脉冲对齐时，输出爆震信号。

7. 发明申请

US20050134498A1 Radar apparatus 失效
标题翻译：雷达装置
公开(公告)号：US20050134498A1
公开(公告)日：2005-06-23
申请号：US11016973
申请日：2004-12-21
申请人： Tomohiro Honya , Katsuhiko Tomita , Hiroshi Ikeda
发明人： Tomohiro Honya , Katsuhiko Tomita , Hiroshi Ikeda
IPC分类号： G08G1/16 , G01R23/15 , G01R29/02 , G01S7/292 , G01S13/10 , G01S13/16 , G01S13/42 , G01S13/93 , G01S17/10 , G01S13/00
CPC分类号： G01R29/023 , G01S13/103 , G01S13/16 , G01S13/931 , G01S17/105
摘要： A radar apparatus includes a modulation signal generating unit that generates a modulation signal based on an internal clock with a cycle Tc and generates a trigger signal in synchronization with the modulation signal, a carrier wave generating unit that generates a carrier wave, a modulation unit that generates and outputs a high frequency signal by modulating the carrier wave using the modulation signal, a modulation signal extracting unit that extracts the modulation signal from a component of the high frequency signal that has been transmitted via a transmission antenna, the component having been reflected by a measured object and received by a reception antenna, a detection signal generating unit that generates a detection signal, for measuring a distance to the measured object, based on the trigger signal and the extracted modulation signal, and a pulse width calculating unit that calculates a pulse width of the detection signal. The pulse width calculating unit includes a delay circuit that generates (n−1) delayed detection signals by delaying the inputted detection signal by Tc/n, 2×Tc/n, . . . , (n−1)×Tc/n, where n is a natural number of 2 or greater, n counter circuits that respectively carry out count operations in synchronization with rising or falling edges of the internal clock while the detection signal and the respective delayed detection signals are being inputted, and a calculating circuit that calculates a sum of count values of the counter circuits and multiplies the sum by Tc/n to calculate the pulse width of the detection signal.
摘要翻译：一种雷达装置，包括调制信号生成部，其基于具有周期Tc的内部时钟生成调制信号，并与调制信号同步地生成触发信号，生成载波的载波生成部，调制部，通过使用调制信号调制载波来产生和输出高频信号;调制信号提取单元，从经由发送天线发送的高频信号的分量中提取调制信号，该分量已被测量对象并由接收天线接收;检测信号产生单元，其基于所述触发信号和所提取的调制信号，生成用于测量到所述测量对象的距离的检测信号;以及脉冲宽度计算单元，检测信号的脉冲宽度。脉冲宽度计算单元包括通过将输入的检测信号延迟Tc / n，2xTc / n，生成（n-1）个延迟检测信号的延迟电路。。。，（n-1）×Tc / n，其中n是2或更大的自然数，n个与内部时钟的上升沿或下降沿同步执行计数操作的计数器电路，同时检测信号和相应的延迟检测正在输入信号的计算电路和计算电路的计数值之和并将和乘以Tc / n以计算检测信号的脉冲宽度的计算电路。

8. 发明授权

US4124850A Video processor for distance measuring equipment 失效
标题翻译：用于测距设备的视频处理器
公开(公告)号：US4124850A
公开(公告)日：1978-11-07
申请号：US804415
申请日：1977-06-07
申请人： Richard V. Frazier, Jr. , Tony Levenson
发明人： Richard V. Frazier, Jr. , Tony Levenson
IPC分类号： G01S13/16 , G01S13/78 , G01S9/02 , G01S9/56
CPC分类号： G01S13/16 , G01S13/787
摘要： A video processor for Distance Measuring Equipment in which all timing functions including fixed delays are performed by digital counters counting clock pulses from a highly stable source. Search and track operations are conducted by starting a memory counter by a reply from a responser and stopping the memory counter at a time corresponding to maximum range. On a succeeding interrogation cycle the memory counter is started prior to the time a reply at zero range would be received. In this cycle the memory counter begins count with the count it contained when stopped during the previous cycle; the memory counter counts until it reaches a number corresponding to maximum range, stops and initiates a range gate. A reply within the range gate causes the range gate to be repeated at the same time in the following interrogation cycle. A sufficient number of replies within the range gate cause tracking operation to begin. A velocity memory provides continuing tracking during temporary loss of reply signals.
摘要翻译：用于距离测量设备的视频处理器，其中包括固定延迟的所有定时功能由数字计数器执行，该计数器对来自高度稳定的源的时钟脉冲进行计数。搜索和跟踪操作是通过启动一个存储器计数器通过一个响应者的回复进行的，并且在对应于最大范围的时间停止该存储器计数器。在接下来的询问周期中，存储器计数器在接收到零范围的应答之前开始。在这个周期中，存储器计数器在上一个周期中停止时包含的计数开始计数; 存储器计数器计数直到达到对应于最大范围的数字，停止并启动范围门。范围门内的回复将导致量程门在下一个询问周期中同时重复。范围门内的足够数量的回复将导致跟踪操作开始。速度记忆在暂时丢失应答信号时提供持续跟踪。

9. 发明授权

US3781887A Satellite inspection radar 失效
标题翻译：卫星检查雷达
公开(公告)号：US3781887A
公开(公告)日：1973-12-25
申请号：US3781887D
申请日：1967-06-14
申请人： US AIR FORCE
发明人： GAHEEN A
IPC分类号： G01S13/16 , G01S13/58 , G01S13/87 , G01S9/06
CPC分类号： G01S13/87 , G01S13/16 , G01S13/58
摘要： A radar system allowing an inspecting satellite to approach another satellite within a number of feet without contact therebetween. The radar system utilizes a pair of wide-beam antennas located along the roll and pitch axes of the inspecting satellite. A short pulse radar associated therewith is used to obtain range to the closest point and a comparison is made between the range measurements of each antenna in a pair. Thus a type of ''''sampled comparison'''' system is provided at a PRF/4 rate.
摘要翻译：雷达系统允许检查卫星在数英尺之间接近另一颗卫星，而不与其接触。雷达系统利用沿着检查卫星的滚动轴和俯仰轴定位的一对宽波束天线。使用与其相关联的短脉冲雷达获得到最近点的范围，并且在一对中的每个天线的距离测量之间进行比较。因此，以PRF / 4速率提供了一种类型的“采样比较”系统。

10. 发明授权

US3716858A Distance measuring system 失效
标题翻译：距离测量系统
公开(公告)号：US3716858A
公开(公告)日：1973-02-13
申请号：US3716858D
申请日：1971-04-06
申请人： FERRANTI LTD
发明人： WORTHINGTON W
IPC分类号： G01S13/16 , G01S13/18 , G01S9/14
CPC分类号： G01S13/18 , G01S13/16
摘要： AND A VARIABLE GATING PULSE PRODUCED BY THE EQUIPMENT. A DISTANCE INDICATION IS GIVEN WHEN THIS PREDETERMINED TIME RELATIONSHIP IS ESTABLISHED.

DISTANCE MEASURING SYSTEM EMPLOYS A RADAR OR SIMILAR SOURCE TO PRODUCE A RETURN SIGNAL FROM A TARGET. DIGITAL TECHNIQUE ARE EMPLOYED TO PRODUCE AND MAINTAIN A PREDETERMINED TIME RELATIONSHIP BETWEEN THE RETURN SIGNAL

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