long-crested wave

Compared with spherical wave, acoustic beam can propagate through a long distance for its concentrated energy.

相对于点声源激发的球面波来讲，声束的能量比较集中，在介质中传播的比较远，对小的障碍物散射比较强。

The statistical properties of ocean waves are studied before the analysis of wave spectrum. The equal energy sampling method is used to get simulation curve of the wave height and angle, for long-crested wave, combined with the expression of wave spectrum.

首先，研究海浪的统计特性，并对海浪进行谱分析，结合海浪谱密度表达式，利用等能量采样法对长峰波随机海浪进行仿真，得到海浪波高及其波倾角的仿真曲线。

Then, rolling motion equation in long-crested wave, based on the linear rolling theory, is established. Secondly, the change of ship rolling motion in multiple conditions is analyzed.

然后，在此基础上，依据船舶线性横摇理论，建立船舶在长峰波海浪中的线性横摇运动方程。（二）分析多工况条件下船舶横摇运动的变化。

A type of floating breakwater for lowering long-crested wave transmissivity for deep water applications

一种应用在深水中能降低长波透过率的浮式防波堤

Digitization Research on Detection of the Phase Tacking Point in Long Wave Time Service Systems

长波授时系统相位跟踪点检测的数字化研究

A long-expected wave of European telecom consolidation will also be on CEOs' minds when they gather for closed-door meetings.

欧洲电信业期待已久的整合大潮也将成为首席执行长们参加闭门会议的议题。

Real Time Simulation and Wave Spectrum Analysis for Random Sea Wave of Long-crested Wave

长峰波随机海浪的实时仿真和频谱分析

to broadcast on long wave

用长波播送

They a bell-like life cycle, with a long wave accompanied by a series of short waves.

其生命周期曲线呈钟形且是一条长波伴随著一系列短波.