The temperature information acquisition unit based on C8051F330 is composed of processor, analog front-end operational amplifier, serial port communications and so on.
基于C8051F330的温度信息采集器,由处理器、模拟前端运算放大器和串口通讯等组成。
The backscattering effect of optical fiber has been applied to fiber Raman amplifier and distributed optical fiber Raman temperature sensors system.
光纤背向散射效应直接应用于光纤拉曼放大器和分布式光纤拉曼温度传感器系统。
Influence of Ne pressure, input voltage, wall temperature and discharge tube atmosphere on optimal delay of the CVL oscillator - amplifier chain is studied.
本文研究了氖气压、输入电压、管壁温度和放电管气氛对铜蒸气激光器振荡—放大链最佳延时的影响。
On the basis of the noise linearity of low noise amplifier(LNA), the variable load temperature method is introduced to measure noise properties of cryogenic LNAs.
在低噪声放大器噪声线性的基础上,介绍了负载温度可变法,用于测量低温低噪声放大器的噪声。
The main hardware is composed of thermal resistor as temperature sensor, 87C51 single chip processor, as main control computer, together with amplifier and A/D transfer.
用热敏电阻器作温度传感器,87C51单片机作主控微机,加上放大器、模数转换器等组成主要硬件系统。
Bandwidth of amplifier and relative aperture of optical system are optimized based on the requirement of temperature resolution.
基于系统温度分辨力的要求,对光学系统的相对孔径及选频放大器的带宽进行了优化设计。
This paper sets up the temperature measurement system which is used in measuring ship wakes, and is made up of temperature sensors, current converter, amplifier, data collector, bathythermograph.
建立了一套用于实船热尾流测量的温度检测系统,它由温度传感器、电流变送器及差分放大器、数据采集器、垂直温度分布记录仪等组成。
The gain and saturation of tapered laser amplifier are the function of temperature and injection current.
锥形激光放大器的增益和饱和分别是工作温度和注入电流的函数。
The grinding temperature is obtained online using thermoelectric couple, voltage amplifier, A/D card and data collection software.
利用铁-康铜热电偶丝、电压放大器、A/D板通过半人工热电偶测温方法在线采集磨削温度;
The current bias design: Taking advantage of the bandgap reference voltage, the temperature independent current bias for the system is designed by an operation amplifier.
偏置电流源电路的设计:利用带隙基准电压源提供的,通过运算放大器为系统其他的模块提供一个与温度无关的稳定的电流偏置。
Finally the amplifier's gain and noise have been measured desperately at room temperature and low temperature to research amplifier performance in low temperature.
最后分别在常温和低温下对放大器的增益和噪声进行了测量,研究了低温下放大器性能的变化。
The tapered amplifier system includes semiconductor laser source, tapered amplifier chip, precision current source and temperature control system; and the core component is the tapered amplifier chip.
锥形结构的半导体激光放大器系统主要包括半导体激光源、锥形放大器、精密电流源和温度控制系统,核心部件是锥形放大器。
The technology of temperature compensation and cascade current mirror was used, and the output of two stage amplifier was used for the bias of itself.
电路运用带隙温度补偿技术,采用共源共栅电流镜,两级运放输出用于自身偏置电路。
The relationship between the temperature dependence of Erbium-doped Fiber Amplifier(EDFA) gain and emission and absorption cross-section of Erbium fiber is analyzed theoretically.
从理论上分析了掺铒光纤放大器(EDFA)增益的温度特性与铒光纤发射截面和吸收截面的关系,并通过实验研究了其增益随温度的变化关系。
The AD623 replaces discrete instrumentation amplifier designs and offers superior linearity, temperature stability, and reliability in a minimum of space.
AD623可以取代分立式仪表放大器设计,在极小的空间中提供出色的线性度、温度稳定性和可靠性。
This paper introduces how to prevent the deflection of gain and temperature in an amplifier from influencing the measurement accuracy of chip micro computer data detection system.
介绍了如何克服单片机数据检测系统中放大器的增益漂移、温度漂移对测量精度的影响。
Theoretical analysis are presented, which are the pump-induced temperature change and the associated thermal phase shift occurring in a fiber amplifier from the pump turning on to steady state.
理论分析了泵浦光开启到稳态过程中光纤放大器掺杂光纤的温度变化,以及对应的光纤放大器相位变化。
Theoretical analysis are presented, which are the pump-induced temperature change and the associated thermal phase shift occurring in a fiber amplifier from the pump turning on to steady state.
理论分析了泵浦光开启到稳态过程中光纤放大器掺杂光纤的温度变化,以及对应的光纤放大器相位变化。
应用推荐