查询词典 sampling unit

Make the use of AD7730 and dsPIC30f6010A to compose the sampling and arithmetic unit of the electron belt weigher.

利用 AD7730和 dsPIC30f6010A 构成电子皮带称的采样和运算单元。

In this strategy, IPM was used to generate 3-phase power for the AC motor; the WFG unit of 80C196MC was used to generate the control signal of SPWM, A/D convertor unit to complete the sampling of current, and Event Processor Array to complete the detection of speed.

该方案利用受控于单片机的智能功率模块产生电机的三相电压；利用80C196MC单片机中的WFG产生SPWM信号，芯片内的A/D转换器实现电流采样，事件处理器阵列实现了转速检测。

A detection system is presented for truth-preserving sampling corer in this paper. Based on control unit AT89S52, the temperature and pressure in the corer are monitored, and moreover, long distance transmission of digital signal is realized in this circuit.

介绍一种对保真取样器内部情况进行监控的检测系统，该系统以AT89552单片机为控制单元，对取样器内部的压力和温度进行检测，并利用RS485接口，实现数字信号远距离传输，在海底沉积物保真取样中有一定的实用性。

Is it fetch every analysis, sampling well test materials is it log well curve to combine to utilize secondly, confirm and flow the quantity of division and sign of the unit.

其次利用取心井的各项分析化验资料结合测井曲线，确定流动单元的划分数量和标志。

This high voltage electrostatic precipitation controller has 7 channels of analog input,2 channels of analog output, 12 digital inputs and 16 digital outputs. The analog input includes primary current, secondary current, primary voltage, secondary voltage, etc. Controller uses MAX 187 as the A/D converter, which ensure the sampling speed and the conversion precision in the same time. The processor unit is RCM2250 module. Rabit 2000 processor, a 128K SRAM and a 256K Flash Rom are integrated in RCM2250, which improves the performance of pricipitation controller. MAX504 is used to produce the 4~20mA current output.

模拟量输入采集的信号有升压变压器一次电流、一次电压、二次电流、二次电压等，采用12位逐次比较式A/D转换器MAX187，兼顾采样速率和转换精度；中央处理单元采用以8位嵌入式处理器Rabbit2000为基础的RCM2250模块，外扩128KSRAM和256K Flash ROM，内部资源丰富，提高了控制器的整体性能；模拟量输出采用内带基准源的10位电压输出数模转换器MAX504，实现了标准4～20mA电流信号输出；控制器通过控制算法在相应开关量点上输出可控硅的触发脉冲。

The invention discloses a measuring method for firing conclusion and gas flow rate in the process of liquid, gas fuel firing, which comprises the following steps: positing three points on fuel transmission pipe, air pipe and gas pipe, setting regular measuring device or sampling device, measuring the flue's element and flow rate of point 1, air element of point 2, and gas element of point 3, inputting the data of three points into computing unit, computing air flow rate Mair, gas flow rate Mgas and firing conclusionηB by the element of air, flue, and gas and flue flow rate Mburn.

本发明公开了一种液体、气体燃料燃烧过程中燃烧完全度和燃气流量的确定方法，步骤为：在燃料输送管道、空气管道和烟气管道上分别设置三测点，并安装常规的测量装置或取样装置；分别测量测点1的燃料成分和流量；测点2的空气成分；测点3的燃气成分；将三测点的测量数据输入计算单元；根据空气、燃料和燃气的成分以及燃料流量M burn ，计算空气流量M air 、燃气流量M gas 和燃烧完全度η B 。

The device is composed of Constant Volume Sampling system and Analyzer Unit.

排放检测设备主要由定容稀释取样单元和分析仪器单元构成。

First designed to ensure that the access of the timing there is no problem with convergence, The control unit can be controlled signal is the work of the functional unit of sampling, Second, we must ensure that the results of the implementation of directive is correct.

首先要保证所设计的通路在时序衔接上没有问题，控制单元发出的控制信号能够被正在工作的各功能单元采样到，其次要保证指令的执行结果是正确的。

Some key technologies including high reflectivity and high temperature resistant detection needle, high precision driving unit, sampling spot and driving unit positioning, has been turned out effectively.

较好地解决了具有高反射、耐高温系列探针的研制，高精度传动装置的研制、采样点与传动装置精确定位的控制等关键的技术。

A current integral calculation unit integrates the value of the sampled motor current over a sampling period to calculate and output a current integral to an abnormality determination unit.

电流积分计算单元在采样时间段上积分采样电机电流，以计算电流积分并输出其到异常判断单元。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。