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公开(公告)号：US09857454B1
公开(公告)日：2018-01-02
申请号：US14748708
申请日：2015-06-24
Applicant: THALES-RAYTHEON SYSTEMS COMPANY LLC
Inventor： Sien-Chang C. Liu , Jih-Fang A. Liu
IPC: G01S7/292
Abstract: A range-gated Doppler radar configured to mitigate the effects of pulsed interference. A Doppler filter is constructed using a vector of weights, the vector of weights being calculated as the matrix product of (i) the inverse of an reduced overall covariance matrix and (ii) a reduced progressive phasor vector. The reduced overall covariance matrix is formed by deleting from an overall covariance matrix rows and columns corresponding to pulses corrupted by pulsed interference. The reduced progressive phasor vector is formed by deleting from a progressive phasor vector elements corresponding to pulses corrupted by pulsed interference. The elements of the progressive phasor vector have constant modulus and the phase of the elements changes linearly within the vector. The overall covariance matrix is a weighted sum of an identity matrix and several specific covariance matrices, that may represent distributed clutter with positive velocity, distributed clutter with negative velocity, and ground clutter.
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Patent Agency Ranking
2.发明授权公开(公告)号：US09557406B2
公开(公告)日：2017-01-31
申请号：US14103147
申请日：2013-12-11
Applicant: Raytheon Command and Control Solutions LLC
Inventor： Alan B. Moore , Charles G. Kristenson , Randy A. Wild
CPC classification number: G01S7/02 , G01S13/88 , G01S2013/0272 , H01Q3/02
Abstract: A radar system is provided that uses configurable radar control software. The radar system may continually adapt over time to perform different types of radar mission by re-configuring the radar control software with mission specific configuration data. A configuration database may be provided to store the configuration data for retrieval during mission transition operations.
Abstract translation: 提供了一种使用可配置的雷达控制软件的雷达系统。 随着时间的推移，雷达系统可能会不断适应不同类型的雷达任务，通过重新配置具有任务特定配置数据的雷达控制软件。 可以提供配置数据库以存储用于在任务转换操作期间检索的配置数据。
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3.发明授权公开(公告)号：US10371792B2
公开(公告)日：2019-08-06
申请号：US14802517
申请日：2015-07-17
Applicant: Thales-Raytheon Systems Company LLC
Inventor： James W. Rakeman , David E. Stephens , Thomas W. Miller
IPC: G01S7/03 , G01S7/00 , B64C39/02 , G01S13/86 , G01S13/66 , G06K7/10 , H04B10/50 , G01S17/74 , G01S13/42 , G01S13/74
Abstract: A system for providing remote target identification is provided that includes a radar system and an electro-optical detector. The radar system is configured to locate a remote target. The electro-optical detector is configured to detect an optical signal transmitted from the target when the target is located. The optical signal includes identifying data for the target.
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公开(公告)号：US09709667B2
公开(公告)日：2017-07-18
申请号：US14448736
申请日：2014-07-31
Applicant: Raytheon Command and Control Solutions LLC
Inventor： Richard S. Herbel , James W. Rakeman
IPC: G01S7/40
CPC classification number: G01S7/4052 , G01S7/003 , G01S7/40 , G01S13/86
Abstract: A synchronization time delay due to a time synchronization protocol between a first sensing system (e.g., a radar system) and a second sensing system (e.g., an optical sensing system) is evaluated. A timing validation system generates a signal and calculates the total time delay between generation of the test signal and receipt of a detection notification communication transmitted from the second sensing system to the timing validation system, via the first sensing system. for the second sensing system to communicate its detection to the timing validation system, via the first sensing system. The synchronization time delay is extracted from the total time delay by removing contributions to the total time delay from additional sources. The calculated synchronization time delay is compared to a threshold delay and, based upon the comparison, generates a result validating or invalidating the time synchronization protocol.
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公开(公告)号：US09778199B2
公开(公告)日：2017-10-03
申请号：US14270855
申请日：2014-05-06
Applicant: Raytheon Company
Inventor： James W. Rakeman
CPC classification number: G01N21/71 , F02K9/08 , F41H11/02 , G01J3/0208 , G01J3/0289 , G01J3/2803 , G01J3/433 , G01N21/27 , G01N21/716 , G01N2201/12 , G01S13/58 , G01S13/72 , G01S13/86
Abstract: Pressure variations within a solid propellant rocket motor produce like variations in the optical radiance of the motor exhaust plume. The periodicity of the variation is related to the length L of the rocket motor or speed of sound in the rocket motor combustion chamber to length ratio a/L. The optical radiance is collected and converted to electrical signals that are sampled at or above the Nyquist rate. An array of single-pixel photo detectors is well suited to provide amplitude data at high sample rates. The sampled data from the one or more detectors is assembled to form a high fidelity time sequence. A window of sampled data is processed to form a signal frequency spectrum. The mode structure in the frequency spectrum is related to the rocket motor length or speed of sound in the rocket motor chamber to length ratio. The rocket motor length or speed of sound to length ratio is used alone or in combination with other information to either classify or identify the rocket motor.
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公开(公告)号：US09612326B2
公开(公告)日：2017-04-04
申请号：US14068318
申请日：2013-10-31
Applicant: RAYTHEON COMMAND AND CONTROL SOLUTIONS LLC
Inventor： Richard S. Herbel , James W. Rakeman
Abstract: Methods and apparatus for locating a weapon by fusing audio and radar data. An exemplary embodiment comprises detecting a weapon firing event with an audio sensor system, detecting a projectile fired from the weapon with a radar system, calculating a state vector associated with the projectile detection, identifying a location of the weapon by backtracking the state vector to the detected time of the weapon firing event time, and communicating the location of the weapon.
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