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首页> 外文会议>Proceedings of the national technical meeting : "Vision 2010: Present and future" >Design and Performance of a C/A Code Receiver for Projectile Registration
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Design and Performance of a C/A Code Receiver for Projectile Registration

机译：弹丸注册的C / A代码接收器的设计和性能

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For the last several years, the US Army has been engaged in the GPS Auto-registration System Program. The program was to develop, build, and test a GPS-based transponder located in the fuze section of a standard 155-mm projectile and a ground-based receiver system to track the projectile in flight and calculate its actual path. The difference between the initial (pre-flight) trajectory estimate and the calculated path may then be used to improve the effectiveness of subsequent artillery fire by removing down range metrology effects and other causes of unknown bias errors.rnThis paper discusses the design of a near-real time, differential C/A code receiver which was used to track and assess the performance of C/A and P/Y code GPS signal transponders on gun-launched projectiles. Position solutions were obtained at a 10Hz rate for a gun-launched, 155mm projectile, from 10.8 seconds after launch until shortly before ground impactrnThe design is based on the Plessey GPS Builder Development System (PDS). The discussion includes signal de-translation, trajectory aiding, satellite-selection, and techniques used to expand PDS capabilities. It is oriented toward the applications engineer who desires an understanding of how the PDS can be modified for tracking other transponder-equipped assets.
机译：在过去的几年中，美国陆军一直参与GPS自动注册系统计划。该计划旨在开发，建造和测试位于标准155毫米弹丸引信区的GPS发送应答器和地面接收器系统，以跟踪飞行中的弹丸并计算其实际路径。然后，可以使用初始（飞行前）轨迹估计值与计算出的路径之间的差异，通过消除近距离度量效应和其他未知偏差误差的原因来提高后续火炮射击的有效性。 -实时差分C / A代码接收器，用于跟踪和评估C / A和P / Y代码GPS信号发射器在枪炮弹上的性能。从发射后的10.8秒到地面撞击前不久，以10Hz的速率获得了枪支发射的155mm弹丸的位置解。该设计基于Plessey GPS Builder开发系统（PDS）。讨论包括信号反翻译，轨迹辅助，卫星选择以及用于扩展PDS功能的技术。它面向希望了解如何修改PDS以跟踪其他配备应答器的资产的应用工程师。

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