• Besides switching at a fixed frequency for Flyback converters, quasi-resonant mode is widely used due to its lower switch-on losses and better EMI performance.

    除了工作固定开关频率模式外,由于更小的开通损耗更好的EMI性能,准谐振工作模式反激式变换器中得到广泛的应用。

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  • On the basis of comparing with power supply of full bridge voltage mode, the authors bring forward the full bridge series resonant mode applied in the pulsatile laser power supply.

    电压充电方式激光电源比较基础上提出了一谐振充电式脉冲激光电源。

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  • The results proved that the improved resonant mode load current is close to sine wave. The energy transfer efficiency of transformer is improved by 3 percent, and the EMI is decreased.

    理论分析和实验结果证明负载谐振模式使负载电流波形接近正弦波,从而使变压器能量传输效率提高了3%,减小电磁干扰。

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  • The flyback converter running in discontinuous conduction mode can be operated in hard switching or quasi resonant (or valley switching, or ZVS) mode regarding the primary side switch.

    电感电流断续工作的式变换器侧开关工作开关谐振(或值开关或零电压开关)模式

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  • Quantitative analysis shows that the temperature and strain sensitivities or shift direction of resonant wavelength for such a LPFG are dependent on fiber types and coupling mode orders.

    定量分析表明谐振波长温度轴向应变灵敏度及其变化方向光纤类型模式耦合的阶次等因素有关。

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  • Quantitative analysis shows that the temperature and strain sensitivities or shift direction of resonant wavelength for LPFG are dependent on fiber types and coupling mode orders.

    定量分析表明谐振波长温度轴向应变灵敏度及其变化方向光纤类型模式耦合的阶次等因素有关。

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  • The resonant frequency and damping ratio of the manipulator are obtained via an experimental system for the manipulator, with the resonance mode discussed.

    操纵谐振频率阻尼通过一个实验系统的操纵器,得到讨论共振模式

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  • In this paper, the TE_ (011) mode's resonant characteristics of cavities loaded with complex structure dielectric are analyzed approximately by using the mode match method.

    本文首先采用模式匹配近似地分析了复杂结构介质加载谐振腔te _(011)谐振特性

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  • The separation mode electrical match method for the resonant frequencies of USM was presented.

    提出了超声电机谐振频率分离式电学匹配方法

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  • Through the curve of resonant wavelength versus period, we present a new method to analyze the shift of resonant wavelength of LPFG during UV laser writing without solving the coupled-mode equations.

    通过常见谐振波长周期关系曲线不用耦合模方程可以直接分析LPFG的振波长的漂移和调谐特性。

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  • Through observing of resonant and vibration mode, validate the design parameters of transducer.

    通过谐振频率振动模态观察验证换能器设计参数的正确性。

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  • Mode is structure's inherence characteristics, each mode has specifically resonant frequencies, damping values, mode shapes, mode stiffness and mode mass.

    结构固有振动特性每一阶模态都具有特定固有频率阻尼比、型、模态刚度模态质量

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  • ZVS-PWM controlled current-mode resonant converter previously propsoed includes an active-clamp circuit and a center-tap tpe synchronous rectifying circuit.

    最近,带有同步整流电路的有效箝位ZVS-PWM控制串联谐振变换器研究应用不断取得进展。

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  • The lifetime of atoms and molecules can be measured by using modulated resonant single-mode laser field.

    本文从理论上分析了利用调制单模激光共振激发来测量原子分子寿命

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  • The strain sensitivity characteristic of long-period fibre grating (LPFG) was studied by coupled-mode theory and the strain sensitivity analytic equation of the resonant wavelength was deduced.

    对长周期光纤光栅传输谱谐振波长应变特性耦合模理论进行研究,推导出谐振波长应变灵敏度解析表达式。

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  • A novel current mode series-resonant ZCS three-level half bridge inverter is proposed.

    提出种新型电流串联谐振零电流三电平逆变器。

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  • This method can be used to describe the resonant multi-photon processes that the pulse train from the mode locked laser interacting with atoms.

    相干态描述光场,应用预解算符投影算符推导演化算符,使方法统一处理激光脉冲序列输出及原子的共振光子过程。

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  • The calculating values of the resonant frequency for TM010 mode DRRare in good agreement with measured spots.

    TM_(010)介质谐振器谐振频率计算测量值相符。

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  • Spontaneous emission can be totally suppressed or strongly enhanced depending on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density.

    通过原子能级与光子频率带隙边缘相对位置或者光子密度可以抑制增强原子的自发辐射

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  • The middle part of the fruit surface was suggested to be used as the location of the force excitation while estimating the fruit firmness by the resonant frequency of the first-type mode.

    当采用第一纵向型的共振频率估测水果硬度激励点应置于水果外表面的中部

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  • We introduce anauxiliary atom in the resonant interaction between a single-mode cavity and atoms, the final state of the auxiliary atom is unchanged.

    提出了一个利用单模腔场原子共振相互作用制备团簇方案,并引入辅助原子

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  • This paper introduces a relaxed damage of a Large Generator Stator, measurement and analysis of the mode of the end winding, good suggests on preventive measures of resonant vibration are given.

    发电机定子绕组部固有频率测试模态试验分析作了简要的介绍端部绕组振动的在线监测作了简要分析 ,同时提出了一些个人看法。

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  • A guided-mode resonant filter (GMRF) based on the structure of anti-reflection (ar) thin film waveguide is proposed to realize three-primary-color filter with narrow-band.

    获得性能优良的三基色窄带光片,提出了一基于反射薄膜波导光栅结构导模共振滤光片。

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  • A guided-mode resonant filter (GMRF) based on the structure of anti-reflection (ar) thin film waveguide is proposed to realize three-primary-color filter with narrow-band.

    获得性能优良的三基色窄带光片,提出了一基于反射薄膜波导光栅结构导模共振滤光片。

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