讨论了天文重力水准的误差及垂线偏差非线性影响等问题。
Futhermore problems of the error of astro gravimetric leveling and the nonlinear influence are discussed.
天文导航系统是典型的非线性和噪声非高斯分布的系统。
Autonomous celestial navigation system is a typical nonlinear, non-Gaussian dynamic system.
一个二维数值模式被用于研究长江口以外海域的风暴潮与天文潮的非线性相互作用。
A 2 dimensional numerical model is used to study the non linear interaction between storm surges and astronomical tides in the sea area off the Changjiang River mouth.
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