基于火箭遥测的地面站接收信号情况预估方法

doi:10.16180/j.cnki.issn1007-7820.2020.06.011

Abstract

Abstract:

Flame decay is a key consideration of distributed telemetry stations in the selection of ground measurement points. The traditional method is to determine the influence of rocket flame on received signal from telemetry ground station by using β angle. In the launch of new solid rocket, the angle analysis method is inaccurate to predict the received signal of telemetry ground station. To solve this problem, a prediction model of received signal condition was proposed. The model was realized by characterizing the directivity of signal attenuation. Parameters of the model were determined by analyzing the actual flight attitude, position and actual tracking signal of ground telemetry equipment. Additionally, a practical calculation was given in this study to verify the method superior to the traditional method.

Key words: telemetry of rockets, flight attitude, antenna directivity, real-time, flame attenuation, β angle;

CLC Number:

TN850

PANG Yuefeng,GU Suolin,LI Lisan,YANG Bingxian,CHU Fuyong. A Prediction Method of Receiving Signal for Ground Station Based on the Real-time Telemetry Data of Rockets[J].Electronic Science and Technology, 2020, 33(6): 58-62.

Figures/Tables 6

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Figure 3.

Table 1

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Figure 5.

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	β角分析法/s	本文分析法/s	实际失锁/s
测试1	80101	80128	88134
测试2	无失锁	99122	104124
测试3	70104	80120	87138
测试4	无失锁	104114	103138
测试5	4999	80115	84115
测试6	无失锁	105113	104113
测试7	233251	188217	186216
测试8	234251	185217	186216
测试9	232247	183210	180214
测试10	233247	179210	181214
测试11	235246	186216	196211
测试12	236246	186217	196210

A Prediction Method of Receiving Signal for Ground Station Based on the Real-time Telemetry Data of Rockets

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