查询词典 azimuths

On the special structure of the Lower Latitude Meridian Circle and the practice of determining astronomical refraction in Yunnan observatory,a new method for improving the correction accuracy of the atmo- spheric refraction delay is proposed:the determined data of the astronomical atmospheric refraction values with different azimuths are utilized to find the refractivity and the param- eters of mapping functions for modeling the atmospheric refraction delay correction,which changes with the observing stations and azimuths.

根据云南天文台低纬子午环的特殊结构，和测定大气折射的实践，提出了提高折射延迟改正精度的新方法，即：利用各观测站不同方位从天顶附近直到低地平高度角的天文大气折射实测数据，求解得到折射率差和映射函数的参数，从而建立随测站和随方位而异的大气折射延迟改正模型。

Finally, the highly precise estimation of target azimuths is obtained by processing the added pulse compression data vector with Capon algorithm again.

然后利用回波数据及目标的初步位置信息，把同一目标对应不同发射阵元的脉压数据矢量经多普勒频移和相位补偿后相加，再进行Capon谱估计，获得高精度的目标方位角估计值。

A type of logging-while-drilling density log in which the density is measured at different azimuths around the drill collar.

一种随钻密度测井，测量钻铤周围不同方位的密度。

Focusing on the receiver function variation pattern changing wtih different back azimuths, we introduced different kinds of symmetric systems of seismic anisotropy used often, and summarized some possible causes of anisotropy formation. We show details about how to calculate the response of a stratified anisotropy model with symmetric axis of arbitrary orientation.

本文围绕接收函数在各向异性介质中的方位变化特征，从地震各向异性基本理论、成因入手，详细给出了具有任意对称轴方向的横向各向同性介质中理论接收函数的计算方法。

Good as a half-wave dipole, and in addition will give highgain in the most favored directions, even though that is overnarrow azimuths.

另外它也能在不少的方向上给出高的增益，甚至超出窄的方位角（也可意译成：它的方位角不一定狭窄

In recently 10 years, people pay much attention to a new induction logging technology called fully triaxial induction logging. It can detect and characterize resistivity anisotropy and provide the information of formation dips and azimuths that are essential in charactering and developing low-resistivity reservoirs such as thinly laminated sand-shale sequences.

近十年发展起来的三轴感应测井由于能探测地层的电各向异性，提供关于地层水平和垂直电导率以及地层倾角和走向的信息，这对砂—泥岩薄交互油储层组这类&低阻产层&的识别和开发有着重要意义，倍受人们的重视。

The results show that at close distances, the field waveform is dependent strongly on azimuth; at distance of several hundreds, the ratio of the peak error values at two azimuths may be bigger than 2; at the distance of 1 km, the mean error is less than 10% with a maximum value of 50%.

结果表明，回击电磁场随方位角的变化非常明显，在距闪电通道几百米距离，误差可达2倍；在1 km处，闪电通道的垂直假定对时域回击辐射场峰值计算的相对误差最大为50%左右，平均小于10%。

Direction on the sphere is measured by azimuths.

地球上的方向是通过方位角测定的。

The exact and approximate solutions are different in the magnitude and signs of A_4 as well as the variations with azimuths.

精确解与近似解的差异不仅表现在A_4值的大小及符号，而且表现在A_4随方位的变化特征。

Computation of solar elevations and azimuths at pixels of satellite image［J］.

卫片像元太阳高度角和方位角的计算原理与方法［J］。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。