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- frequency variation method 频率稳定法
- Impact in power frequency variation. 频率变化之影响。
- Digital filtering technique based on least square method, multichannel sampling technique and frequency variation sampling technique were used experimentally. 实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
- We have studied the cyclotron-resonance frequency of a strong-coupling magnetopolaron in the quantum well wire with the use of variation method of Pekar type. 摘要采用变分法研究了量子阱线中强耦合磁极化子的迴旋共振频率。
- Successful use of the variation method depends on our ability to make shrewd choice of the trial function. 成功地应用变分法取决于对尝试函数作精明选择的能力。
- Frequency variation process and unit's swing process after fault can be closely simulated. 故障后的频率变化和机组摆动过程可确切地仿真。
- The cluster variation method(CVM)has been used widely in the research of or-der-disorder transformation. 原子集团变分法广泛地应用于有序-无序相变的研究。
- An universal dynamic equation for unrestrained body has been derived in the form of tensor by using variation method. 用张量形式通过变分原理导出了无约束物体的动力学普适方程。
- In the second design, we use an adaptive biasing circuit to compensate for process and temperature deviation.Even in the worst case, the frequency variation is under 5%. 在第二个设计中，我们使用一个适应性偏压电路去补偿制程跟温度造成的频率漂移，即使在最差的条件下，频率漂移还是可以维持在5%25以内。
- The electronic structures of Ca_3Co_2O_6 and Ni-doped ones are calculated using density functional and discrete variation method(DFT-DVM). 用离散变分密度泛函方法(DFT DVM)计算了钴酸盐Ca3Co2O6及其掺镍体系;讨论了电子结构;化学键等与热电性能之间的关系.
- A restricted variation method is used to extrapolate a better nonrelativistic energy.The relativistic corrections and mass polarization are included. 运用截断变分方法进一步饱和函数空间得到能量的改进量，并考虑相对论修正、质量极化效应等获得了相对论能量计算值。
- Application of the continuous variation method for determining stoichiometry and binding mechanism to Fe-Fz systems has been treated. 本文应用连续变化法研究它们之间的相互作用。
- We must seek two main approximation methods of solution, the variation method and perturbation theory. 我们必须寻求两个主要的近似解法、变分法和微扰法。
- Electronic structure, chemical bond and net charges of Ca_3Co_4O_9 system are studied by density function theory and discrete variation method (DFT-DVM). Ca_3Co_4O_9体系的计算是采用离散变分法对其电子结构、化学键和电荷分布等进行计算。
- Variational method for adaptive plane gridding image segmentation[J]. 引用该论文 郑毅;刘上乾.
- Speed control by frequency variation 变频调速
- relative frequency variation rate 相对频率变差率
- scheme of stator frequency variation 定子变频方案
- The three-dimensional paraxial Gaussian beam propagation properties is investigated in axial symmetric strongly nonlocal nonlinear media by the means of variation method, the parameters′ evolution law and a critical power is obtained. 利用变分原理,研究了三维傍轴高斯光束在轴对称强非局域非线性介质中的传输特性,得到了傍轴高斯光束各参量的演化规律和一个临界功率。
- Speed Regulation by Frequency Variation 变频调速
