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| 提高GSZ-5差转机发射功能的研究 |
| Technical Rebuild of Tv Transposer GSZ-5 |
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| DOI：10.3969/j.issn.1671-5322.2002.03.014 |
| 中文关键词: 电视差转机 覆盖范围 技术改造 |
| 英文关键词: TV transposer Service radius Technical rebuild |
| 基金项目: |
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| 中文摘要: |
| 采取调整功率放大器工作状态,改变管型、天馈线等措施,进一步提高了GSZ-5差转机的发射功率和天线辐射效率,使其服务半径由10 km扩大到27 km. |
| 英文摘要: |
| This paper describes a practical method of technical rebuild of 50 W TV transposer system by replacing RF power tube,main transmitting feeder and antenna for the purpose of extending its covering area.After rebuild the service radius is increased from 10 km to 27km. |
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