phase constant是什么意思

网络释义

用法例句

A large uumber of numerical calculations using the analytic formula and the dispersion equation have been carried out on the relations of the attenuation and phase constant with wave frequency, thickness and conductivity o.

通过解析表达式和波导模式色散方程,对衰减常数和相位常数进行了大量数值计算,得到了它们随损耗层厚度、频率以及损耗层电导率的变化规律,两种方法所获得的结果有较好的一致性。

We discussed the directions of β and α in complex wave vector (?) in conducting medium,and calculated the value of attenuation constant a and phase constant β.

对导电介质中复波矢(?)的(?)与(?)方向问题,以及衰减常数α与相位常数β的取值问题作一全面的讨论。

In order to solve the problem,the calculation formula of microwave attenuation constant and phase constant of weakly ionized dusty plasma was deduce.

为了解决这一矛盾,在尘埃等离子体理论基础上,导出了弱电离尘埃等离子体的微波衰减常数和相位常数计算公式。

The characteristics of wave propagation in laminated grid structure are analyzed using the lumped-mass method to yield the phase constant surface.

相位常数面可以描述特定频率、特定结构中波的传播方向及传播区域。

This paper determines the propagation constant and the increase of attenuation, due to curvature of the axis of Bragg fibers.

本文从传输损耗的角度出发,导出了Bragg光纤的相位常数及衰减常数的公式。

3-D Numerical Simulation for Low Specific-speed Centrifugal Pump with Multi-phase Position

低比转数离心泵多相位定常全三维数值模拟

Often all the locations in a data area have the same scope in the source program.

一个数据区中所有单位在源程序中常常有相同的定义域。

A numerical study of centrifugal pump using unsteady method compared with steady multi-phase position method

定常多相位方法与非定常方法用于离心泵数值模拟的比较研究

An Event-related Potentials Study for Mathematics Cognitive Function in Normal Children and Children with Epilepsy;

正常儿童及癫痫儿童数学认知事件相关电位的研究

Given the same number of bits, unsigned integers usually represent twice the number of absolute values representable by signed integers.

给予相同的位元,无号整数通常能表示由有号整数所代表的值的绝对值的两倍数目.

People of equal economic status usually share similar political views.

经济地位相同的人通常政治观点相同.

decimal equivalents of inch

相当于英寸的十进位数

phase contrast transfer function

相位对比度传递函数

In the addition of two multibit numbers, the carry of each single bit addition is added to the next-insignificance bit.

当两个多位数相加时，每一位的进位应与高一位数相加。

These should be four undetermined constants in the displacement function.

位移函数中应有四个未定常数。

The niche proportional similarity and niche overlap index reflect the niche characteristics of the evergreen broad leaved shelter in subtropical forest.

种群之间的生态相似性比例和生态位重叠指数指标值反映了亚热带常绿阔叶林的生态特征。

A collection of related, often adjacent items of data, treated as a unit.

资料档案一组相关的且通常为联接的数据项目，被当作一个单位来处理

any correlation in which the rates of change of the variables is not constant.

变换率不是常数的变数的相关关系。

Always try to keep the number of landings you make equal the number of take offs you“ve made.

经常保持降落数目与起飞数目相等。

Equality, as in amount, status, or value.

相等，等值如在数量、地位或价值上相等

A Method for Phase Difference Measurement with Correlation Function Based on Mat lab

基于MATLAB的信号相位差的互相函数求法

Research on Digital Phasometer Based on FPGA in Position-tracking System

基于FPGA的数字相位计在相位测距系统中的研究