方向谱 meaning in English
directional spectrum
Examples
- The theory , methodology and software for the retrieval of ocean wave spectrum from satellite synthetic aperture radar ( sar ) images using hasselmann ' s method are introduced in this thesis
本文系统介绍了利用hasselmann方法从卫星sar海表图像反演海浪方向谱的理论、方法、软件以及在中国海的印证。 - A directional spectrum of the reflection coefficients is suggested and an empirical formula of the directional spectrum of the reflection coefficients for slope breakwaters are given by the model tests
通过分析研究，提出了波浪场反射系数方向谱的概念，并由模型试验结果给出了斜坡堤前反射系数方向谱的经验公式。 - This paper presents that the directional spectra and the reflection coefficients of the oblique and the multidirectional irregular waves on the co - exist wave field of incident wave and reflected wave have been studied . a modified two - points method is proposed that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves . for the multidirectional irregular waves , the directional spectra and reflection coefficients are obtained by the modified bayesian directional method and the modified maximum likelihood method
本文研究了入、反射波共存场中斜向不规则波和多向不规则波波浪场的方向谱和反射系数，对于斜向不规则波频率谱及反射系数的计算提出了一种改进两点法( mtpm ) ，对于多向不规则波方向谱和反射系数的分析，应用了改进的贝叶斯方法( mbdm )和改进的最大似然法( mmlm ) 。 - In the study of directional spectrum and reflection coefficient of multidirectional wave , firstly the wave elevation trains overlapped by the incident wave and the reflected wave of multidirectional wave are simulated in the method of a frequency corresponding to a direction . then the composed wave trains are analyzed respectively by the mbdm and the mmlm . during the numerical study , the input factors include the various wave parameters , the different measuring wave system and the various reflect characteristic
在多向不规则波入射波方向谱和反射系数的分析研究中，利用方向频率对应法模拟了多向不规则波入射波与反射波叠加的波面序列，将此合成波列分别应用mbdm和mmlm进行分析，通过输入各种波浪参量、不同波浪测量系统和各种反射特性等因子，检验了mbdm和mmlm方法的适用条件，对两种分析方法的性能进行了比较分析。 - After the systemic comparison of the two methods , the detail applicable conditions have been suggested . by the physical model tests and various methods , the frequent spectrum and the directional spectrum of incident waves and reflected waves of slope breakwater have been investigated systemically , and the bulk reflection coefficients , the directional spreading of reflection coefficients and the frequent spect
通过物理模型试验，系统地研究了斜坡堤前入、反射波方向谱的分离计算，采用mtpm分析得到了单向(包括斜向)不规则波的总体反射系数和反射系数频率谱(随堤坡变化)以及由iribarren数表示的包含堤坡影响的反射系数频率谱。