Gravity waves

Application study on gravity wave-based hail early warning system;

重力波冰雹预警系统应用研究

A numerical research of nonlinear propagation of gravity wave packets in three-dimension isothermal atmosphere and horizontal winds ——(Ⅱ) Inhomogeneous winds;

重力波波包在水平风场中非线性传播的数值模拟——Ⅱ.水平风场为非均匀风场

A numerical research of nonlinear propagation of gravity wave packets in three-dimension isothermal atmosphere and horizontal winds ——(Ⅰ) Homogeneous winds;

重力波波包在水平风场中非线性传播的数值模拟——Ⅰ.水平风场为均匀风场

The 3-D shapes of gravity waves in rectangular elastic fluid-shell coupled system are presented to realize the untouched measurement of the fluid large deformation.

为了测量矩形弹性壳液耦合系统中的重力波的三维外形,实现大变形液体的非接触测量,使用激振器时矩形弹性壳液耦合系统在水平方向进行激振,得到大幅低频重力波。

Gravity waves keep reflecting between two boundaries of the thermal duct, and wave energy is transported horizontally through the duct.

给出了重力波在中层大气温度波导中的反对称形式导制传播的线性理论模型,并采用二维非线性的数值模型对重力波波包在中层大气温度波导中的传播和演变过程进行了模拟研究。

The theory and experiment about gravity waves in a rectangular elastic fluid-shell coupled system are presented in this paper.

根据非线性动力学理论,建立了矩形壳液耦合系统的非线性振动方程组,通过数值求解,发现当激振频率为壳体固有频率与重力波频率之和,且激振力足够大时,会产生大幅低频重力波。

The results show that the weather is affected by meso-scale gravitational wave in low-latitude area.

利用南沙群岛的加密观测资料,对南海低纬地区西南季风爆发时,大尺度季风环流下存在着的中小尺度系统进行了研究探讨;揭示了低纬热带地区中尺度重力波对天气的影响,并从动力学的角度对该地区中尺度重力波的产生、传播进行了初步的分析。

By the use of the WKBJ method combined with the characteristic line method, the asymptotic solution of a gravity wave envelope in the atmosphere of horizontal heterogeneous stratification and time-varying stratification is obtained.

用WKBJ方法结合特征线法求得了重力波波包在水甲非均匀层结和时变层结大气中演变的渐近解,结果表明层结水平非均匀性除引起重力波波幅的变化外,还引起波长和包络宽度的变化,当波包由层结大值区移向层结小值区时,水平波长变短,包络宽度变窄,同时振幅增加。

Analysis on characteristics of infragravity waves in nerashore zone of Houjiang Bay,Guangdong province;

粤东后江湾近岸长重力波特征分析

It is found that Coriolis force generates internal waves due to small perturbation of density in stratified flows.

在垂向动量方程中引入柯氏力的分量 ,即考虑在非静水压假定下的海洋波动 ,证明了只有当密度分层时 ,上述的柯氏力分量才对波动有影响 ,并且使得前传的内重力波速小于后传的波速 。

The most easily observed example of such gravity waves is that of waves in the lee of mountains.

最容易观测到这种重力波是山背冈波。

Study on Gravity Waves Phenomena in Rectangular Fluid-shell Coupled System;

矩形壳液耦合系统中重力波现象研究

The Analysis and Measurement of the Gravity Waves in Fluid-shell Coupled System

曲面壳液耦合系统重力波分析及测量

ANALYSIS OF GRAVITY WAVE CHARACTERISTICS OF A STRONG SQUALL LINE PROCESS IN APRIL 2006 IN SHANDONG PROVINCE

山东04.28强飑线过程重力波结构的分析

Dynamic measurement of the 3D shape gravity waves in dragon washbasin

龙洗三维液体表面重力波的动态测量

On the atmospheric gravity waves during the 23rd September 1987 annular solar eclipse

1987年9月23日日环食所产生的大气内重力波

The Study of Atmospheric Gravity Wave Propagation Features Influenced by Background Winds;

背景风场影响下大气重力波的传播特性研究

Mechanism of Low-frequency Large-amplitude Gravity Waves in Coupled Liquid and Cylindrical Elastic Shell System;

弹性壳液耦合系统低频大幅重力波的研究

Study on Revolving Gravity Waves in Liquid-Elastic Shells Coupled System;

壳液耦合系统中旋转重力波现象的研究

A Study on the Properties of Gravity Waves in Space Dust Plasma;

空间尘埃等离子体重力波特性及PMSE研究

A Low-level Gravity Wave Triggering Mechanism for Rainstorms in Warm Sector in South China;

华南暖区暴雨的一种低层重力波触发机制

Parallel Numerical Model for the Simulation of Three Dimensional Gravity Wave's Propagation

模拟三维重力波传播过程的并行数值模式

Gravity signal transform method using wavelet transform cascaded with empirical mode decomposition

重力信号的小波变换与经验模态分解级联滤波方法

The Repetitive Control Algorithm Based Current Waveform Correction for Shunt Active Power Filter

三相并联型有源电力滤波器电流重复控制

Extracting Different Wavelength Gravity Anomaly bythe Spherical Cap Harmonic Analysis Method

利用球冠谐分析方法提取不同波长重力场异常

The Research of Trace System of Wave Buoy of Acceleration of Gravity

重力加速度式波浪浮标量值溯源体系研究

Research on Applications of Wavelet Multiscale Analysis in the Earth's Gravity Field;

小波多尺度分析在地球重力场中的应用研究

Research on Multiple Boost Converter of Wind Power Generation System;

风力发电变流系统多重化升压斩波器的研究