ratio station

The doublets observed on Changshu Station following the South Yellow Sea middle-intense earthquakes show such variations in spectral ratio slope, but the time scale of one event of the doublets extends to 9 months before the main shock.

常熟台双子地震P波谱比对数斜率时间进程在南黄海地震发生之前也存在这一现象，但出现异常的时间扩大到9个月之内。

The production and effects of cross polarization interference on TES telephone earth station were analysed. The analytical algorithms for the effects of cross polarization interference on carrier to noise ratio were got, in satellite link, and used to practice system.

对云南TES电话地球站交叉极化干扰的产生及影响进行了测试分析，得出卫星链路中交叉极化干扰对载噪比的影响程度的分析计算法.并应用于实际系统中。

Building low dam diversion pivot on the river that of gradient ratio steep> bed material roughness and bed load movement acuteness is characteristic in Southwest medium size water power station.

在大比降、河床质很粗、推移质运动剧烈的河流上修建低坝引水枢钮，是我国西南地区中型水电站的特点。

Accuracy considerations in the G/ T value measurement of the earth station using carrier to noise ratio direct method

载噪比直接法测量地球站G/T值的精度研究