根据弱相互作用理论，本文建立了损耗大气中极性重力波的非线性相互作用方程。
A set of the interaction equations of inertial gravity waves in a dissipative atmosphere on the basis of the weak nonlinear theory is derived.
强迫次重力波的形成机制为海浪的波-波非线性相互作用，它仅依赖于海浪和水深的大小。
Bound infragravity waves are forced by wave-wave nonlinear interaction of two wind waves, depended only on the swell energy and water depth.
通过对向上传播的重力波波包在中层大气中的非线性传播过程进行数值模拟，讨论中层大气中重力波的饱和机制。
Saturation mechanism of gravity waves in mesosphere is discussed by simulating the nonlinear upward propagation of gravity wave in mesosphere.
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