Based on T type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range, and it can operate with low lamp current crest factor.
基于T型滤波器的调光方法，能在很窄的工作频率范围内实现深度调光，同时具有灯电流波峰因数低的优点。
It shows that the stochastic dispersion variation connected with frequency affects the frequence and the position of the black soliton.
结果表明：只有与频率有关的随机色散变化对黑孤子的频率和位置产生影响。
So, in engineering computation it is acceptable to neglect the directional variation of coherence value with frequency.
因此在工程计算中不计相干函数随频率的变化不会带来太大的误差。
The improved algorithm can track frequency variation of the time-varying signal with no extra calculation burden.
对算法进行了改进，在不增加计算量的情况下，实现了对频率变化的跟踪。
The results show that the deposit rate, composition and properties of coating change with the variation of duty ratio and pulse frequency.
结果表明，镀层的沉积速率、镀层成分及镀层的性能都随脉冲频率和占空比的变化而变化；
The results show that the non-linearity is mainly attributed to a thermal fluctuation magnetic after effect and a numerical variation of the magnetic domain with frequency.
结果表明，非线性主要来源于热起伏磁后效和为了降低微涡流损耗而引起的磁畴数随频率的变化。
The variation of temperature coefficient of resonator frequency with tolerance factor was discussed.
分析了谐振频率温度系数随容忍因子的变化关系。
The variation of frequency curve's mode peak content with the increasing of depth, shows not only the trend of chemical weathering but also variation gradient of weathering extent.
频率曲线众数峰含量随深度的变化，不但指示了化学风化趋势，而且反映了风化程度的变化梯度。
Compared with other frequency measurements, the method based on the ASIC makes use of simple periphery circuit around MPU and can self-adapts the variation of input signal frequency.
基于ASIC的方法与其他频率测量方法相比，MPU外围电路简单，能自适应输入信号频率的变化。
Feed roller is driven by an electronic frequency converter which permits stepless variation of its speed and is controled to be synchronized with doffer by the computer.
给棉罗拉采用调频电机传动，实现无级变速，通过计算机控制与道夫传动同步。
This paper analyses source of error qualitatively. The result is the loss resistance of inductor and capacitor with is variable the frequency. Variation direction is different, not the same.
定性地分析了误差的来源，得出的结论是电感电容内部的损耗电阻随着频率的变化而变化，变化方向相反而并非相同。
But with the rise in frequency of use of idioms and speed of information transmission, increasingly prominent problems of semantic variation of idioms.
但随着成语使用频率的上升和信息传播速度的提高，成语的语义变异问题日益突出。
Generalized into local frequency from integral frequency, the method of joint time-frequency distribution effectively analyzes the signal based on the variation of frequency with time.
联合时频分布方法把整体频谱推广到局部频率，根据频率随着时间的变化情况，对信号进行有效的分析。
Moreover, with the increase of the working frequency, the dielectric constants of the PST materials decreased, but the Curie temperature and temperature coefficient basically had no variation.
随着测试频率的增加，测得的材料介电常数略有下降，而居里温度与温度系数基本维持不变。
The variation of corner frequency and stress drop with time are analyzed, and the relations between focal parameters are discussed.
分析了拐角频率和应力降随时间的变化趋势，并讨论了震源参数相互之间的关系。
The simulated extraction of weak frequency variation signal is carried out with the expressed Resonant frequency locking property when system transits from chaotic to great periodic motion.
利用系统从混沌状态到大周期转变时所表现出的共振锁频性质，进行了微弱频率变化信号的仿真提取。
As compared with the conversational breeding, spaceflight mutation breeding is of high mutagenesis frequency, wide variation extent, short breeding period and more elite mutants, etc.
与常规育种相比，航天诱变育种具有诱变频率高、变异幅度大、育种周期短、有利突变体多等特点。
In the solution of high frequency variation of ERP from VLBI observations, the direct solution mode with the consideration of the pole offsets is accordingly recommended.
为此，在基于VLBI资料解算erp高频变化时，建议采用直接求解模式，并考虑岁差章动模型偏差的影响。
In the analysis of data with amplitude variation, low-frequency signals may appear as decomposed results, referred to hereafter as filtered low-frequency signals (FLSs).
在变振幅的数据分析中，低频信号可以反映在低频分析结果中，也可以体现在高频信号的振幅变化中。
Having the excellent electrical performances, low losses and a capacitance of a slight variation with both temperature and frequency.
电性能优良，损耗小，电容量随温度和频率变化小。
Microcrystalline silicon solar cells with the variation of silane concentration (SC) and discharge power were fabricated by very high frequency plasma-enhanced chemical vapor deposition.
采用甚高频等离子体增强化学气相沉积技术成功地制备了不同硅烷浓度和辉光功率条件下的微晶硅电池。
The Lamb modes in the AU signals were analyzed using time-frequency method, and the energy variation of Lamb modes was correlated to the adhesive bond strength with good correlation.
兰姆波各模式在时频空间能量分布变化与胶接强度有较好的相关性。
With the different frequency, the variation regularities of reliability factor sensitivity were discussed.
探讨了不同频率比下，可靠性指标灵敏度的变化规律；
After imposed harmonic load, the deformation and stress variation curves with change of frequency can be gained by harmonic analysis in ANSYS.
在模态分析的基本上，对行星齿轮施加简谐载荷，得到行星齿轮的变形和应力在容易产生共振的频率范围内的变化情况；
There exists a large variation of velocity with temperature and frequency, which can be applied as the omens of earthquake or fatigue damage.
波速比随温度升高波动大，无规律可循，随频率升高明显下降。这些可作为地震或其他疲劳损伤的前兆。
The simulated extraction of weak frequency variation signal is carried out with the expressed Resonant frequency2locking property when sys2tem transits from chaotic to great periodic motion.
利用系统从混沌状态到大周期转变时所表现出的共振锁频性质，进行了微弱频率变化信号的仿真提取。
The conclusion in this paper has been proved by the field data measured from the oil transferring system with frequency variation speed-regulation in Daqing No. 2 Oil Plant.
并利用大庆采油二厂变频调速输油系统的实测现场数据，证实了本文的结论。
The conclusion in this paper has been proved by the field data measured from the oil transferring system with frequency variation speed-regulation in Daqing No. 2 Oil Plant.
并利用大庆采油二厂变频调速输油系统的实测现场数据，证实了本文的结论。
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