超短波电台性能无线快速检测系统设计
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海军航空大学青岛校区 山东青岛 266041

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TN925+.3

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Design of rapid wireless detection system about ultrashort wave radio indicators
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Qingdao Branch, Naval Aviation University;Qingdao,266041,China

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    摘要:

    针对超短波电台检测过程中存在的不能异地检测、破坏电台当前连接状态、不能同时对多地电台检测等问题,研制一种无线快速检测系统,通过北斗卫星导航系统和电台检测适配装置、检测平台的设计,在电台和检测平台之间建立射频信号和北斗短报文双重无线信道,利用北斗卫星系统测定二者之间的距离,推算射频信号的衰减,采用一定的算法进行补偿,并通过北斗短报文进行检测过程中相关信息的传输和修正,在检测平台中利用FPGA技术进行信号的存储和重构,实现了电台主要发射和接收指标的检测。利用该检测系统对相距60km的电台进行检测,与现场计量测试相比,频率误差在10-6以内,发射功率、灵敏度、调制度误差均在5%以内,在20分钟以内完成了两部不同地点电台的检测,满足电台指标快速检测的需求,提高异地电台检测的效率。

    Abstract:

    Aiming at the Existing problems of ultrashort wave radio that detection process cannot be detected in different places, destroy the current connection state radio, not to much radio detection at the same time, developing a quick wireless detection system, through the beidou satellite navigation system and radio test adapter device、the testing platform, make double wireless channel including the RF signal channel and Beidou satellite channel between stations and testing platform. Short message The Beidou satellite system is used to measure the distance between the stations and testing platform, calculate the attenuation of the radio frequency signal, use a certain algorithm to compensate, and through the Beidou short message to carry out the transmission and correction of the relevant information in the detection process, to achieve the detection of the station's main transmission and reception Performance indicators. By using the testing system to test the 60 km away from the radio, compared with the field measurement, the frequency error is within 10-6, transmission power, sensitivity, modulation error within 5%, within 20 minutes to complete the two different locations radio detection and meet the needs of radio index rapid detection, improve the efficiency of different radio detection.

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田华明,刘云飞,田沿平.超短波电台性能无线快速检测系统设计[J].电子测量技术,2021,44(16):103-109

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  • 在线发布日期: 2024-08-22
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