power detector

The power detection circuit using the logarithmic detector is designed, which is used to measure the microwave power of test channel and reference channel. So that the resonance curve of the resonant cavity can be figured by means of the detection data.

采用射频对数检波器设计了功率检测电路，用于检测测试通道和参考通道的微波功率，从而测得微波谐振腔的谐振曲线。

A portable intelligent alcohol detector was designed. The detector, with LCD display, USB interface and battery supply, shows good characteristics in its small size, low power consumption and high accuracy.

研制成功的便携式酒精气体检测仪具有低功耗、智能化的特点，采用电池供电，LCD显示和USB接口，操作方便。

The analysis of the weak signal circuit, amplifying circuit of the signal and power circuit in the thermal conductivity detector has been done, and the characteristic of the circuits with the rhenium tungsten filament is designed.

针对气相色谱热导检测器的弱信号失真和电源不稳定问题，研究与设计热导检测器的弱信号测量电路、信号放大电路以及电源电路。

In addition, the programmable threshold detector allows monitoring of the incoming signal power, using the four fast detect bits of the ADC with very low latency.

此外，利用ADC的4个快速检测位，可编程阈值检测器可以监控传入信号的功率，并且延迟非常短。

When the detector has a higher signal-to-noise ratio, we can decrease the local power of device to weak the external disturbance factors such as temperature, vibration.

经分析具有较高信噪比的探测装置可使用较低功率的本地光，从而减弱温度，振动等外界因素的干扰。

Current source laser diode driver circuit and photo detector amplification and rectification circuit with wide dynamic range have been designed and implemented on the network interface card, automatic power control of the laser diode has been achieved.

在链路的网络接口卡上设计和实现了激光器的电流源驱动电路以及具有宽动态范围的光电探测器放大整形电路，实现了激光器的自动功率保护。

CCIS ( charge couple image sensor) which is small in volume, low in power dissipation and good in performance is the most promising to become an optimal detector used for image guidance.

体积小、功耗低、性能优良的CCIS（电荷耦合图像传感器）最有希望成为成像制导系统理想的图像探测器。

Study of signal measurement and power circuit for modern-gas chromatography thermal conductivity detector

气相色谱热导检测器的信号测量与电源电路研究

The general application of FTV type colour plane detector used in power station is illustrated.

本文阐述FTV型电站锅炉火焰彩色电视监视装置在电厂锅炉上的应用概况。

The multiplier module achieves adjustable power output from 0 to+ 17dBm in Ka-band, but does not fulfills full waveguide band adjustable power output because of the performance of the Ka-band detector.

该倍频链在Ka频段内8个频段实现了输出功率在0-+17dBm范围内可调，由于检波器的性能的原因未能实现整个Ka频段功率可调。