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某型飞艇平台微波测试环境研究

Research on microwave testing environments of an airship lifting platform

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摘要

针对微波试验用某型飞艇升空平台开展试验环境测试研究,给出了中等气象条件下的测试结果。指出定姿飞控模式下的艇体方位角稳定性优于压航迹模式,两种飞控模式下艇体俯仰角和滚转角稳定性相近;统计分析指出配试用艇载二轴天线稳定平台可有效隔离飞行中艇体三姿±10°以上的晃动,将接收天线主轴稳定指向辐射源,天线主轴方位、俯仰角控制精度优于±1°。研究了相对辐射源20~40 km,迎头、横向两种航线下,艇载4.5°波束宽度天线接收信号的幅度,统计分析指出迎头飞行时天线增益损失小于1 dB,信号稳定性优于±1 dB,横向飞行时天线增益损失约2.3 dB,信号稳定性约±3 dB。研究给出了飞行条件下艇体散射环境和地面散射环境对艇载天线接收信号幅度的影响。

Abstract

This article presents a measurement on the testing environment of an airship lifting platform in real test range scene and moderate weather condition. The results show that the heading azimuth of the airship is more stable under fixed orientation flying mode than under fixed flight path mode, while the elevation and rolling angular stabilities under the two flying modes are almost undistinguishable. Statistical analysis proves that the equipped antenna stabilizing platform can isolate the carrier’s angular shake as high as ±10° and continuously control the antenna beam axis to aim at the ground target with error within ±1°. The 20-40 km distance tests show that the airship carried receiving antenna with 4.5° beam width suffered a 1 dB gain loss and ±1 dB signal level fluctuation under head-on flying path, while the results degenerate to 2.3 dB gain loss and ±3 dB signal level fluctuation in lateral flying path. The article also presents some testing results about the airship lifting platform’s EM scattering environment rooting from its metal structure as well as the test range’s rough ground.

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中图分类号:TJ43;O441

DOI:10.11884/hplpb201830.170302

所属栏目:高功率微波

基金项目:国家高技术发展计划项目

收稿日期:2017-12-29

修改稿日期:2018-02-27

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作者单位    点击查看

闫军凯:西北核技术研究所, 西安 710024
张浩亮:西北核技术研究所, 西安 710024
杨 猛:西北核技术研究所, 西安 710024
郝文析:西北核技术研究所, 西安 710024
晏 峰:西北核技术研究所, 西安 710024
熊正锋:西北核技术研究所, 西安 710024
王雪锋:西北核技术研究所, 西安 710024
蒋廷勇:西北核技术研究所, 西安 710024
徐敏杰:西北核技术研究所, 西安 710024

联系人作者:闫军凯(yanjunkai@163.com)

备注:闫军凯(1982-),男,高工,从事强电磁环境实验与测试研究。

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引用该论文

Yan Junkai,Zhang Haoliang,Yang Meng,Hao Wenxi,Yan Feng,Xiong Zhengfeng,Wang Xuefeng,Jiang Tingyong,Xu Minjie. Research on microwave testing environments of an airship lifting platform[J]. High Power Laser and Particle Beams, 2018, 30(7): 073007

闫军凯,张浩亮,杨 猛,郝文析,晏 峰,熊正锋,王雪锋,蒋廷勇,徐敏杰. 某型飞艇平台微波测试环境研究[J]. 强激光与粒子束, 2018, 30(7): 073007

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