1、

We calculated longitudinal confinement factor, threshold gain, optical gain and output power etc through theoretical model.

根据理论模型计算了纵模限制因子、阈值增益、光增益、输出功率等特征参数。

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2、

Especially, the influences of pumping and oscillating spot size to output power and laser threshold with different gain medium are deduced.

通过数值计算了泵浦光斑和振荡光斑大小对输出功率和振荡阈值功率的影响,并与Nd:YVO4和Nd:YAG晶体进行了比较。

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3、

And it takes advantage of the Matlab numerical simulation of the laser and pump light power distribution, analyzes of endoscopic ( optical transmission), pump wavelength, slope efficiency, threshold, the gain medium length of the laser output effects.

并利用了Matlab数值模拟分析了激光与泵浦光的功率分布,分析了腔镜(光透过率)、泵浦波长、斜效率、阈值、增益介质长度对激光输出的影响。

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4、

The rate equation was solved to analyze the influence of upconversion effect to the output power, slope efficiency and threshold power in CW operation and the pulse energy, pulse width and peak power in Q-switched operation.

通过速率方程的求解模拟分析了上转换效应对连续运转Ho激光器输出功率、斜率效率和阈值功率的影响以及对调Q运转Ho激光器单脉冲能量、脉冲宽度和峰值功率的影响。

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5、

Laser spectroscopy, the threshold power and different output characteristics with different injection currents are measured. And the influence factors of output characteristics are analyzed.

实验研究了LD抽运Tm:YAG脉冲激光器输出特性,测量激光的光谱、阈值功率和不同注入电流下的输出特性,分析了影响输出特性的因素。

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6、

When the laser operates in a multi-wavelength condition above threshold power, there is no sign of polarization for the output laser, independent of the coiling radius.

高于阈值多波长运转时,无论采用何种缠绕半径,都观测不到偏振现象。

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7、

Based on the rate-equation of quasi-three-level, the threshold power and the output power are deduced, and calculated the relationship between the optimal output transmittance and output power.

根据准三能级理论推导了阈值功率和输出功率,并且求解了最佳输出透过率和输出功率的关系。

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8、

Using universal PWM method means to control output power and output characteristic through controlling IGBT switch on time.

控制电路采用脉宽调制方式(PWM)进行输出控制,即控制IGBT的导通时间来实现输出功率与输出特性的控制。

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9、

The LLC is composed of CPU and MVB Control Unit, Digital Input and Output Unit, Power Control Unit, Backboard Bus Unit.

逻辑控制模块主要由CPU及MVB控制单元、数字量输入输出单元(DX)、电源控制单元和背板总线单元四部分组成。

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10、

After calculating the output power of submersible propeller based on thrust, the axial power and the installed power necessary for submersible propeller can be calculated by efficiency of propeller and efficiency of motor which are supplied by the manufactory.

根据推力计算出推动器的输出功率后,可通过厂家提供的产品螺旋桨效率η螺和电机效率η电机来求得推动器所需要的轴功率和装机功率。

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11、

In the full-bridge thyristor shunt-wound inversion power supply, the efficiency of heating smaller forgings limited by the working frequency is low because of the high output voltage, the long induction coil, and the great noise.

由于全桥晶闸管并联逆变电源的输出电压高,感应圈长,噪声大,受工作频率限制,加热中小锻件的效率低。

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12、

The main features are: output channel selection, output power adjustment, output time adjustment, the laser switches and medical records database.

系统完成的主要功能有:输出通道选择、激光输出功率调节、激光输出时间调节、激光开关控制和病历档案数据库等。

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13、

When the power supply chip suffering from radiation environment, the output voltage of which will change and be long time deviation from standard level because of the effect of Single Event Transients ( SETs).

暴露于辐射环境中的电源芯片在单粒子瞬变(Single Event Transients,SETs)作用下,将产生输出电压跳变,长时间偏离正常供电电平的情况。

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14、

The possibility of high repetition rate laser interference with semi-active laser guided weapons operating based on real time gate signal was studied. The parameters, such as the laser interference frequency, output power were analyzed, and the interference measures, assistant systems were presented briefly.

研究了高重频激光器对于干扰实时波门选通信号半主动激光制导武器的可能性,分析了激光器的干扰频率、输出功率等参数指标,并且对干扰措施、辅助系统等进行简单介绍。

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15、

A controlling means of PZT driving system was introduced in detail. By application of DLL library for PZT power supply and Timer control of VB, the real-time programmable output of control voltage was realized.

给出了一种压电陶瓷驱动系统的控制方法,利用VB中的Timer控件和压电陶瓷电源的DLL动态连接库函数,实现了控制电压的实时可编程输出。

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16、

The machine body is also provided with a negative iron output hole, a timing switch, a power supply indicator light, a wind inlet, and a power supply line, etc.

机体上还设有负离子输出孔,定时开关、电源指示灯、进风口及电源线等。

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17、

Simulation results show that the fuzzy Control System had tracked of the best tip speed ratio when the wind speed is low, and get a stable output power when the wind speed is high.

仿真结果证明,模糊控制系统在低风速时很好的跟踪了最佳叶尖速比,在高风速时得到了稳定的输出功率。

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18、

In AC DC converter and DC AC inverter, dead time must be set to avoid short between up and down power devices of bridge arms. This will cause distortions of converter imput current and inverter output current.

在AC DC变流器和DC AC逆变器里,为了防止上下桥臂功率开关器件直通必须设定死区时间,然而该死区时间造成了输入和输出电流波形失真。

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19、

System detects output voltage and output current of the PV array, compares conductance increment of photovoltaic array and instantaneous conductance, then changes the duty cycle with variable step length, achieves maximum power point tracking fast.

系统检测光伏阵列的输出电压和输出电流,并通过比较光伏阵列的电导增量和瞬间电导变步长改变占空比,实现对最大功率点的快速跟踪。

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20、

Test running indicates that too large charge output from power supply will be disadvantage to running stability and reliability of electro-hydraulic control system on large voltage fluctuate in mine.

指出在煤矿井下供电网络电压波动较大的情况下,电源负荷量过高会影响系统工作的稳定性和可靠性。

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