孔隙率，面密度，厚度，流阻，结构因数因素综合影响其吸声系数。
Porosity, surface density, thickness, flow resistance, structure factor and other factors affect the sound absorption coefficient.
本文采用投影算子方法统一处理了一维扭析声子耦合气体的动力结构因数。
In this paper, we treat the dynamical form factor of one-dimensional kink-phonon gas as a whole by projection operator technique.
您可能见到过大整数质因数分解，或是对复杂数据结构的庞大列表进行分类，这些都是长时间运行的操作。
You might see examples of prime factorizations of large integers, or sorting huge lists of complex data structures, and those are certainly long running operations.
它使用方便、运行可靠、价格低廉、结构牢固，但功率因数较低，调速也较困难。
It is easy to use, reliable, inexpensive, solid structure, but the lower power factor, speed is also more difficult.
提出了一类新颖的不间断高功率因数交流开关电源电路结构与拓扑族。
Novel circuit structure and topologies family of uninterruptible AC switching power supplies with high power factor are proposed.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
采用双环结构，用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
本发明能够提高螺旋电感结构的品质因数，并可将其整合于IC芯片上。
The present invention may improve quality factor of the spiral inductor structure and integrate the same onto the IC chip.
仿真分析结果证明：该变换器拓扑结构能够使输入电流的包络随着收入电压变化，有效的实现了功率因数校正。
The simulation result proves: Used this converter's topology structure, the envelope curve of import electric current follows entering voltage change. And power factor correction has been realized.
提出了一种零电流开关结构的单开关管的三相升压功率因数校正整流器。
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is proposed.
实验结果表明，该新型转子电流混合控制结构可以满足变速恒频风力发电机系统的运行要求，同时实现了发电机的输出功率因数可控。
Experimental results show that the novel rotor current hybrid control system can satisfy the requirement of VSCF wind generator system, and the power factor control of generated power is available.
现代高功率因数电子镇流器结构中普遍采用功率因数校正（PFC）和半桥逆变谐振电路拓扑。
The power factor correction (PFC) and half-bridge inverter circuit topology are commonly used in modern high power factor electronic ballasts.
提出一种新的复合型整流器拓扑结构，该整流器与传统的多重化整流器相比，其THD达到了电力系统小于5%的要求，功率因数在0。
Compared to the traditional topology of multi-pulse rectifier, the rectifier realizes a lower THD, which is less than 5% required by the power system, and its power factor is above 0.
提出了采用滑模变结构电流内环与由PI调节器和数字低通滤波器组成的电压外环相结合的控制系统，以实现高性能高速度的功率因数校正。
This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.
提出了一种具有功率因数校正、滤除谐波电流和抑制谐波谐振的电力系统综合补偿系统电路结构并将其成功应用于实际工程。
A circuit topology of a combined compensation system for power factor correction, harmonic mitigation and harmonic resonance damping is proposed.
提出了一种具有功率因数校正、滤除谐波电流和抑制谐波谐振的电力系统综合补偿系统电路结构并将其成功应用于实际工程。
A circuit topology of a combined compensation system for power factor correction, harmonic mitigation and harmonic resonance damping is proposed.
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