长江流域(重庆-上海)段 VHF 无线电波的计算模式

Calculation Modes of VHF Radio Wave for the Yangtze River Area from Chongqing to Shanghai

通过公式及图表给出了长江流域（重庆—上海）段ＶＨＦ无线电波的两种计算模式。一种用于长江上游（川江）段；一种用于长江中下游（宜昌—上海）段。两种模式不但具有理论依据而且经过实测验证，同时作为交通部重点科学技术发展项目成果通过了鉴定。

Two calculation modes of VHF radio wave for the Yangtze River area from Chongqing to Shanghai are given in the form of formulas and charts. One mode is to be applied to the upper reaches of the Yangtze River and the other to the middle and lower parts of the river. These two modes are not only theoretically supported but also approved in practice. Both of them have passed the appraisal of the Ministry of Communications as one of the significant science and technology development projects.