High frequency pulse width modulation power control systems can be realized using semiconductor switches.
高频脉冲宽度调制电力控制系统，可以实现用半导体开关。
Since the river is blocked by mountains on each side that abruptly narrow its width abruptly, so its speed increases along with its power.
因其每一个侧面都被山拦截，水流宽度骤然压缩，它的速度随着力量的增强而加快。
This is achieved by using a unique multi beam technology, demonstrated in figure 2, which reduces the power density, minimizes the thermal load, and reduces the kerf width in the wafer.
这是采用独特的多光束技术实现的，图2显示了其工作原理，降低了功率密度，减小了热负载，缩小了刻线宽度。
When the initial power equals the critical power a stabile spatial soliton is obtained and generally the beam width takes periodical contraction or diffraction.
当初始功率等于临界功率时，可以得到一个稳定的空间孤子，而一般情形下，束宽则作周期的压缩或展宽变化。
The experimental results show that a bigger diffraction efficiency delay rate can make the establishing time of the laser pulse and the pulse width shorter, and make the peak power higher.
实验结果表明，在一定范围内增大衍射延迟速率可以缩短脉冲建立时间，缩短脉冲宽度，增加峰值功率。
The data that is being transmitted is encoded on the width of these pulses to control the amount of power being sent to a load.
数据正在传送的是编码上的宽度，这些脉冲控制的权力被发送到了负荷。
Their main application lies in the field of power transmission where axial loading in both directions occurs and a rigid axial guidance and narrow bearing width are required.
他们的主要应用是在两个方向的轴向载荷和刚性发生轴向引导和宽度窄轴承需要在输电领域。
Formulas are derived for the ensemble average of the pulse power and the RMS pulse width.
得到了在光纤中传输的脉冲光功率的系综平均值和输出脉冲宽度的均方根值的近似解析公式。
In this paper, a kind of sensor with constant power pulse width modulation and force balance is described and analysed theoretically.
本文设计了一种恒功率脉冲调宽式力平衡式传感器，并从理论上对它作了分析。
The paper presents a novel ultra-audio frequency (UAF) induction welding power based on ZCS-PWM(Zero Current Switching-Pulse Width Modulation) technology.
介绍一种基于ZCS-PWM（零电流开关-脉宽调制）技术的新型超音频感应焊接电源。
It has functions of dynamic power management (DPM), depleted battery detection and pulse width modulator (PWM) to accurately control battery charge current and voltage.
它具有动态电源管理(dpm)、利用脉宽调制控制(PWM)充电电流和电压、耗尽电池检测等功能。
The effects of laser power? speed and defocusing parameter on welding depth and width have been studied in the experiment.
研究了激光焊接输出功率、焊接速度、离焦量等工艺参数对焊接深度及焊接宽度的影响。
We focus on the peak power, pulse width, extinction ratio of conversion optical pulse and the transmission property of conversion optical pulse in standard single mode fiber.
详细研究了反转光脉冲的峰值功率、脉冲宽度和消光比等重要物理参量以及反转光脉冲继续在常规单模光纤中传输时的演变特性。
The effects on kerf width and quality made by laser facula diameter, focal point position, cutting speed, laser power and other technological parameters were studied.
研究了激光光斑直径及离焦量、切割速度、激光功率等工艺参数对齿轮切缝宽度及加工质量的影响。
Fixedness operating frequency. you can adjust the width of pulse to change the output power.
固定电路工作频率，调节脉冲宽度而改变输出功率。
When Q-switch and gain switch were applied the peak pulse power was increased and pulse width decreased.
利用增益开关和Q开关双机制作用，压窄了调Q脉宽，提高了输出功率。
To meet with the requirement of PECF finishing, pulse power source with high frequency, narrow pulse width and high current is designed.
为了满足螺旋锥齿轮等大型零件的脉冲电化学光整加工的要求，设计了高频、窄脉宽、大电流的脉冲电源。
The focus is given to the influence of pumping power, cavity length, the output coupler transmission and initial transmission on the repetition rate, pulse width and output power of laser output.
着重研究了抽运功率、腔长、输出镜透过率以及初始透过率等因素对激光输出脉冲序列的重复率、脉冲宽度以及输出功率的影响。
Also the peak voltage width is tested under different input power at the highest frequency and the difference is analyzed.
在实用最高频率下、在不同输入功率时实测了的尖峰电压的宽度。
We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.
通过对激光的电噪声的测量可以监测激光器的诸多参数和特性，如弛豫频率，谱线宽度，阈值电流，模式跳变及输出光功率是否稳定等。
Pulse width modulation is used to reduce the total power delivered to a load without resulting in loss which normally occurs when a power source is limited by a resistive element.
脉宽调制技术是用来降低总功率交付给了负荷，没有造成损失，这是通常发生时，电源是有限的，由电阻芫件。
In order to meet the needs of variable pulse width, frequency and power for laser fuze, a model of the LD driver circuit is built up based on its principle.
为了满足引信用脉冲式半导体激光器驱动电路的脉冲宽度可调、频率可调、功率可调的需要，根据LD驱动电路的工作原理，建立LD驱动电路的一般模型，并进行了仿真分析。
The formulas of mode conversion are derived and effects of optical beam power, initial beam width radius and inverse of the radius of curvature of the wave front on the mode conversion are analysed.
导出模式变换公式，分析了光束功率、光束初始的束宽半径和波前曲率半径的倒数对模式变换的影响。
Then the fish came alive, with his death in him, and rose high out of the water showing all his great length and width and all his power and his beauty.
于是那鱼闹腾起来，尽管死到临头了，它仍从水中高高跳起，把它那惊人的长度和宽度，它的力量和美，全都暴露无遗。
With broad gain spectral width of SOA and large tuning range of filter, the output power of the output pulse train could keep big enough over a large tuning range.
由于半导体光放大器的宽增益谱与滤波器的较大可调谐范围，使得激光器输出可以在较大的波长可调谐范围内保持较大功率输出。
The results show that the kerf width increases with the increase of laser power, pulse frequency, pulse width and assist gas pressure, but decreases with the increase of cutting speed.
结果表明：缝宽随输出功率、频率、脉宽及辅助氧压的增大而增加，随着切割速度的增加而减小。
There will be an antinomy among sample frequency, memory capacitance and the width of window of sample time for developing the resolving power of LA while we taking the LA to test an digital system.
在用逻辑分析仪测试数字系统时，为了提高逻辑分析仪的分辨力，会产生采样频率、存储容量与采样时间窗口宽度之间的矛盾。
There will be an antinomy among sample frequency, memory capacitance and the width of window of sample time for developing the resolving power of LA while we taking the LA to test an digital system.
在用逻辑分析仪测试数字系统时，为了提高逻辑分析仪的分辨力，会产生采样频率、存储容量与采样时间窗口宽度之间的矛盾。
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