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- constant voltage modulation 定压灯,稳压调节
- Points out the inadequacy of the sine PWM (pulsewidth modulation)signal and general PWM signal for CVCF (constant voltage & constant frequency)inverters and proposes the PWM Step-wave Signal as a new scheme. 指出用于CVCF逆变器控制中的SPWM及普通PWM信号产生方案的不足,在此基础上提出一种通过脉宽调制阶梯波来合成正弦波的方案。
- This standard does not specify a charge acceptance test at constant voltage. 本标准未规定恒压充电接受能力试验。
- Anodic aluminum oxide (AAO) was fabricated on aluminum in acid electrolytes at constant voltage. 直流恒压条件下,酸性溶液中铝的阳极氧化会形成多孔阳极氧化铝(AAO)。
- This paper focuses on voltage regulation strategies of 400Hz CVCF(Constant Voltage Constant Frequency) inverter. 本文研究了400Hz恒压恒频(CVCF)中频电源逆变器波形控制策略。
- The anodic oxidation process of aluminum in sulfuric acid was investigated using constant voltage electrolysis method. 采用恒电压电解法研究了铝在硫酸中的阳极氧化过程。
- In chapter 2, basic theories about the mechanism of the constant voltage ANO of silicon are reviewed. 第二章首先回顾过去对定电压阳极氧化机制的基本理论，这些模型提出在阳极氧化过程中可能发生的电化学反应。
- This article makes some supplement to the character of constant voltage source and constant current source so... 对恒压源与恒流源的性质进行了补充,可使等效变换的运用大为扩展。
- The theoretical harmonic analysis makes clear that the amplitudes of the distortion components mainly depend upon the voltage modulation ratio and output displacement factor of cycloconverter in FFTS. 通过理论分析表明，在分频输电系统中，交交变频器调制比、输出位移因数是分频侧输出电压本征谐波含有量的主要影响因素。
- The unique output full-bridge incorporates source-side linear operation to allow a constant voltage across the motor coil. 独特的全桥式输出整合源端线性操作,可确保电动机线圈的持续电压供应。
- Variable cutting apparatus with constant voltage, cutting pressure can be adjusted according to different requirements of workpieces. 可调的恒压切削机构,切削压力可按不同工件的切削条件现场调整。
- The field current required to produce a constant voltage at the generator terminals varies over a wide range for various loads and power factors. 稳定发电机端电压所需要的励磁电流,因负荷和功率因数的不同,其变化范围很大。
- A review was given of porous anodic alumina films(PAAF)formation on aluminum by two-step anodization method in acid electrolytes at constant voltage. 直流恒压下,在酸性溶液中对铝实施两步阳极氧化制备了多孔氧化铝膜。
- In addition, the dependence of BTI on channel length is extensively investigated under constant voltage and field stress. 另一方面，负偏压温度不稳定性受应力之影响而产生劣化现象。
- Much searching through online “cookbook” circuits turned up no means of ramping an op-amp integrator to hold at a preset constant voltage level. 通过在线常用电路的许多研究发现运放积分器保持预设持续电压是没有意义的。
- The porous alumina film prepared by anodization of aluminum in chromic acid under constant voltage and direct current can absorb infared wave. 在铬酸中采用直流恒压铝阳极氧化法制备氧化铝多孔膜，经测试这种多孔膜具有红外吸波性能。
- aperture-mask voltage modulation 多孔板电压调制
- These IC bring foot and VADJ in its VOUT output is 1.25V between the foot constant voltage, usable will solve constant current problem. 这些 IC 在其VOUT 引脚和 VADJ 引脚之间输出为 1.;25V恒定电压，可用来解决恒流问题。
- frequency modulation and voltage modulation 调频调压
- The calculated kinetic curve is better fit at the beginning of EPD to the experimental curve plotted under the condition of constant voltage and constant concentration of HAP. 利用此关系式和恒压一等浓度条件下不同时间所对应的电流强度的数据，拟合出恒压一等浓度条件下沉积量与时间之间的关系曲线，此曲线与实验所得的曲线在沉积初期符合的程度比较好。
