1) forecasting algorithm of acoustic beam construction
声线预报
2) noise prediction
噪声预报
1.
At the same time,the support of design theory and data for estimating warship s acoustical performance and developing low noise propeller can be obtained from the noise prediction The predicting method of radial noise of propeller including the trial study and theory method was introduced in this paper.
本文通过对螺旋桨噪声预报文献的归纳整理,把螺旋桨噪声的预报方法分成试验研究和理论预报两种方式分别进行介绍,并对今后螺旋桨噪声预报方法的研究方向提出了一定的看法。
2.
The noise prediction mechanism using Lighthill’s Acoustic Analogy was deduced in detail.
构造了声模拟理论和CFD方法相结合的算法;详细推导了Lighthill声模拟理论噪声预报的原理;用Reynold平均法采用k-ε模型对水下自由射流场进行数值模拟,并以此作为近场声源;随后,运用Lighthill声模拟理论对远场噪声进行预估,并分析自由射流场声辐射机理。
3) acoustic field prediction
声场预报
1.
Ocean acoustic field prediction and tactical application;
海洋声场预报及战术应用
4) sound velocity prediction
声速预报
1.
At present,there is some deficiency in sound velocity prediction equation with the help of regression fitting method.
用回归拟合方法获得海底沉积物声速预报方程存在不足,难以获得3参数以上的声速预报方程。
5) On-line Prediction
在线预报
1.
On-line Prediction of Cutting Force in High Speed Milling Using Grey Theory;
基于灰色理论的高速动态铣削力在线预报研究
6) shore predicting
岸线预报
补充资料：短期天气预报(见天气预报和天气图预报)
短期天气预报(见天气预报和天气图预报)
u。。，，，:‘，anq，yubao短期天气预报见关匀布绍升，二，二一一
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条