1) harmonic method
谐波法
1.
Based on the thermoelectricity analogy theory, develops a new harmonic method to calculate the temperature response of multilayer walls.
基于热电类比理论,提出了计算多层墙体温度响应的新型谐波法,介绍了用热电类比方法求多层墙体的衰减倍数和延迟时间的原理和具体方法。
2) harmonic analysis
谐波法
1.
A harmonic analysis method was coupled with the two-source energy balance(TSEB) model in this paper.
尝试将谐波法和双源遥感模型TSEB耦合起来模拟表层土壤含水率,并利用两个稀疏植被站点的数据进行了检验。
2.
Soil heat flux is an important component of surface energy balance,and harmonic analysis can be used to estimate soil heat flux based on the surface temperature.
土壤热通量是地表水热平衡的重要组成部分,谐波法可以利用地表温度模拟土壤热通量。
3) Resonance measuring method
谐波测量法
4) harmonic analysis method
谐波分析法
1.
Study on harmonic analysis method of medium loss measured on line for electric equipment;
电气设备介质损耗在线测量的谐波分析法研究
2.
Calculation of iron loss in high-speed induction motor fed by nonsinusoidal voltage source based on harmonic analysis method;
基于谐波分析法的高速变频电机铁耗计算方法
3.
The non-synchronization caused by the frequency fluctuation will cause remarkable error when the harmonic analysis method is used in the on-line monitoring of dielectric loss.
使用谐波分析法对介质损耗因数进行在线监测时,由电网频率波动引起的非同步采样会给系统测量带来很大误差。
5) spectral representation
谐波合成法
1.
In consideration of large computational efforts of Deodatis simulation,a modified spectral representation method was proposed for simulating the fluctuating wind field of long span bridges.
针对现有Deodatis方法模拟大跨度桥梁空间脉动风场中存在的计算量问题,通过对谱分解矩阵引入插值近似,减少谱分解的次数,从而提高该谐波合成法的计算效率,并节省内存花费,实现了对三维空间脉动风场的有效模拟。
2.
A numerical example is undertaken and a comparative study has been performed on the merits and drawbacks of the ARMA representation method and the spectral representation method which is widely used to simulate .
本文将基于线性滤波器的ARMA模型应用于大跨度桥梁的风场模拟,推导出自回归(AR)阶数p和滑动回归(MA)阶数q不等情况下,ARMA模型用于模拟多变量稳态随机过程的公式,将ARMA风场模拟方法与目前广泛应用于大跨度桥梁风场模拟的谐波合成法应用于一座实际大跨度斜拉桥的风场模拟,通过对比研究得出一些有意义的结论,并证实了ARMA法能够在保证模拟精度的前提下,大大提高风场模拟的效率。
3.
A combination of the wave superposition method and the modified spectral representation method is applied to a wind field simulation for whole bridge including the deck and the towers.
将谐波合成法与修正的谱描述法结合用于大跨度桥梁主梁及桥塔上的随机风场模拟。
6) harmonic balance method
谐波平衡法
1.
Calculation of the steady state response of locally nonlinear dynamic systems by harmonic balance method;
利用谐波平衡法计算局部非线性动力系统的稳态响应
2.
Then the harmonic balance method(HB)is used to solve the equation.
建立了不可压流动中多项式迟滞非线性二元机翼的气动弹性运动方程,然后利用谐波平衡法进行了求解。
3.
The harmonic balance method(HBM)was employed to solve the forced response of damped blades considering nonlinear feature of differen- tial equations.
针对该微分方程的非线性特点,采用一阶谐波平衡法,进行了动力响应的计算分析。
补充资料：二次谐波交流极谱法
分子式：
CAS号：
性质：由于法拉第电流的非线性性质，它含有基波频率外，还有频率为基波频率，n次倍的n次谐波电流；而充电电流则为线性的，只有基波频率电流。如果只测量通过电解池的高次谐波电流，则可消除充电电流成分，提高法拉第电流对充电电流之比，即信噪比二次谐波交流极谱法测量的是通过电解池的二倍于基波频率的电流。这时充电电流已消除，因而提高了测定的灵敏度。
CAS号：
性质：由于法拉第电流的非线性性质，它含有基波频率外，还有频率为基波频率，n次倍的n次谐波电流；而充电电流则为线性的，只有基波频率电流。如果只测量通过电解池的高次谐波电流，则可消除充电电流成分，提高法拉第电流对充电电流之比，即信噪比二次谐波交流极谱法测量的是通过电解池的二倍于基波频率的电流。这时充电电流已消除，因而提高了测定的灵敏度。
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