您要查找的是不是：
- pulse frequency multiplier 脉冲倍频器
- This paper gives a new method of designing low frequency multiplier by expounding the principles and analyzing the characteristics. 文章提出了一种全新的低频倍频器的设计方法，并对其原理及特性进行了阐述与分析。
- Hardware pulse distribution, and can be controlled stepper pulse frequency to the governor. 硬件脉冲分配方式，可以控制步进脉冲的频率来调速。
- Increase in intensity,retention time and the pulse frequency could enhance the efficiency. 增加磁场强度、处理时间和脉冲频率可以提高杀菌效果.
- Describes a new design of pulse frequency dividers in which timers NE556 and sequencecontrol unijunction transistors are used. 利用定时器NE556和程控单结晶体管，设计了一种新型多路脉冲分配器。
- A frequency multiplier which multiplies the frequency of an input signal by two. 使输入信号的频率加倍的一种倍频器。
- Based on the model,the relationship between the main pulse frequency of supply power and the balanceable inter-electrode gap is discussed. 给出了脉冲电化学加工极间平衡间隙的数学模型,并据此讨论了高频群脉冲电化学加工中,电源主脉冲频率与平衡加工间隙的关系。
- A counter with timing fiducial oscillator acts as a frequency multiplier, and the count value in the prior period is taken as the reference for the current period to give the decimal part of a signal period. 该方法利用带基准时基的数字计数器实现周期内线性细分，当前周期信号将前一整周期的倍频数作为参考构成信号周期的小数部分。
- Switching Power Supply has three kinds of control circuits: Pulse Width Modulation (PWM), Pulse Frequency Modulation (PFM), Pulse Width and Frequency Modulation (PWM-PFM). 开关电源有三种控制方式：脉冲宽度调制(PWM)、脉冲频率调制(PFM)、脉冲宽度频率调制(PWM-PFM)。
- The experimental result shows that the frequency muhiplier designed by this method can hardly add noise except the theoretic phase noise loss. In addition,the efficiency of the frequency multiplier is relatively high. 实验结果表明,用这种方法设计的倍频电路,除损失理论上的相位噪声外,几乎不附加噪声,同时倍频效率也比较高。
- Laser scribing of InSb with a Q switched Nd:YAG laser was studied in this paper and the relationship between pulse frequency and groove depth and width has been obtained. 研究了利用调 Q Nd： Y A G 激光对 In Sb 的激光划片，得出了刻槽深度和宽度与脉冲重复频率之间的关系。
- In this paper,with the help of double balance mixer,design and manufacture of S-band wide-band & frequency multiplier chain is introduced,of which bandwidth is biggerthan 13%,harmonic rejection is bigger than 45 dB,output fluctuation is less than 1 dB. 本文介绍使用双平衡混频器设计制作S波段宽带八倍频链带宽大于13%25，谐波抑制大于45dB、输出波动小于1dB的良好性能。
- Multiple functions available : start/crater arc current, increase/decrease time,base/crest value current,pulse frequency,pulse rate,post flow time, HF welding. 功能丰富：起始/收弧电流、上升/下降时间、基值电流、峰直电流、脉冲频率、占空比、滞后关气时间分别可调，高频引弧。
- This paper describes simply the basic property of GaAs dual-gate FET and application in amplifier,frequency multiplier,mixer,oscillator,phase shifter,switch and microwave circuits and so on. 本文简述砷化镓双栅场效应管的基本特性及其在放大器、倍频器.;混频器、振荡器、移相器和开关等微波电路中的应用
- NEB delays the time of first ovulation through inhibition of LH pulse frequency and low levels of blood glucose, insulin and insulin-like growth factor-I (IGF-I). NEB可通过抑制LH脉冲频率、降低血浆葡萄糖、胰岛素和胰岛素样生长-1(IGF-I)因子浓度,从而造成奶牛分娩后首次排卵间隔延长;
- The Increase of pulse voltage and pulse frequency is beneficial to refinement and improvement of solidification structure of hypereutectic gray cast Iron. 脉冲电压的升高和脉冲频率的增大都有利于过共晶灰口铸铁凝固组织的细化和改善。
- Furthermore the dependence of etching current were proved on laser parameters(pulse number and pulse frequency) and that the excimer laser have the abili... 表明准分子激光在钝化区具有增强电化学特性的能力。
- The increase of current density and pulse frequency can be helpful to refine and improve the solidification microstructure of the pure aluminum at a given pulse current range. 在一定的脉冲电流参数范围内,电流密度增大和脉冲频率升高都有利于金属凝固组织的细化和改善。
- Acidizing fluids' type, concentration, jet pulse frequency, treatment time and interval treated may be selected according to degree of formation plugging. 该工艺可根据地层堵塞情况及程度,选择酸液种类、酸液浓度、射流脉冲频率、处理时间和处理层位。
- step recovery diode frequency multiplier 阶跃恢复二极管倍频器
