Design of High-speed Data Sampling Unit Based on USB 2.0 基于USB2.0的高速数据采集单元的设计
Design of synchronous sampling unit in on-line insulation monitoring system of capacitive equipment 电容型设备在线检测系统同步数据采集单元设计
The reason of errors in normal algorithm by software in AC sampling unit is analyzed. 分析了软件常规同步采样算法的误差原因并提出了一种交流采样同步优化算法。
The Number of Basic Sampling Unit in the Sequential Sampling 序贯抽样决策中的抽样数量
Mathematical Analysis of Sampling Unit and Holder 采样器和保持器的数学描述
Testing software of a sampling unit in the distributed phasor monitoring system 分布式相量监测系统采集单元测试软件的开发
CAN Bus and fiber optic, ensuring data transmission velocity and available structure, are the bus protocol and transmitting medium of data transmitting between the sampling unit and top-computer unit. 采用CAN总线和光纤作为采集调理单元与前置单元间数字量传输的总线协议和传输介质,既保证了数据传输的速度,又使检测项目的增减变得灵活方便;
Design of Data Sampling Unit of Monitoring Device for Generator 发电机监测装置中数据采集单元的设计
The optimum sampling unit, sampling method and sampling number of arthropod diversity in leafy vegetable field were also determined. 据此,确立了菜心田节肢动物类群多样性的最佳抽样单位、抽样方式和抽样量。
Acquisition of precise time in synchronized high speed sampling unit for on-line cable fault locating 电缆故障在线测距中高速同步采集卡精确时标获取方法
Test set-up and performance The experimental apparatus include a sampling unit and a measurment system. 测量装置和性能实验装置包括采样和测量两部分。
This system is composed of two suits of voltage traveling wave fault location equipment at the transformer substation of two sides of line, which comprises four parts: special traveling wave sensor, GPS sampling unit, center process unit and fault location host computer. 该系统包括安装于线路两侧变电站的两套电压行波故障定位装置,电压行波故障定位装置由专用行波传感器、GPS采样单元、中央处理单元和故障定位主机四部分组成。
The testing software TS-1 of a sampling unit in the distributed dynamic phasor monitoring system is discussed. 详细介绍了分布式动态相量监测系统数据采集单元的测试软件TS-1。
Design of the Dynamic Parameters` Sampling Unit of Certain Missile Mockup 某导弹模型动态参数的采集单元设计
In this system, the microcontroller acts as the sampling unit to get vibration signal, and the software which is hybrid programmed with VB and Matlab runs on PC to control the testing process and analysing frequence spectrum. 该系统利用单片机作为下位机完成振动信号的采样和存储,VB和Matlab混编的上位机软件对测试过程进行控制并完成振动信号的频谱分析,自动找出一至三阶固有频率分量并显示。
Conclusion This well head steam quality sampling unit works with minor measurement error. 结论该井口干度取样装置测量误差小,造价低廉,安装简便,工艺可行。
To solve the confliction between the location of data sampling unit and processing unit, a set of fault diagnosis monitor system for mobile device based on DSP and WLAN is developed. 为解决数据采集装置和分析处理装置位置不统一的矛盾,以DSP为平台,开发了一套基于无线局域网的移动设备故障诊断监控系统。
This article completely introduces data sampling and processing part based on DSP for maglev speed detection, including analog signal sampling unit, digital signal processing unit, data storage unit and logic control unit, it also includes the methods of communication with other parts. 本文介绍了用于磁浮列车测速的DSP数据采集和处理部件,该部件包括模拟信号采样单元、DSP处理单元、数据存储单元、逻辑控制单元。并介绍了该部件与其他部分的通信接口方法。
Operational Technique of Cracking Gas Sampling Unit 裂解气取样装置的使用技术
Improving of the Steam Sampling Unit 蒸汽取样装置的设计改进
The hardware design includes the selection of ultrasonic transducer and sampling unit of environmental temperature, ultrasonic emitting and driving unit, receiving and back wave testing unit, main controlling unit and communication unit. 系统的硬件设计包括超声波传感器的选择以及环境温度采集单元、超声波发射及驱动单元、超声波接收及回波检测单元、主要控制单元和通信单元;
In GPS sampling unit a highly precise clock is used to record the accurate arrival time of traveling wave, which is developed on the basis of a method for supervising and correcting GPS clock in real time. GPS采样单元采用了以GPS时钟的在线监测与修正方法研制而成的高精度时钟发生装置,实现行波波头到达时刻的精确记录。
Design of Data Sampling Unit in the Sounding System of HF Doppler and Angle of Arrival 高频多普勒与到达角探测系统中数据采集单元的设计
Design of an AC Sampling Unit with High Performance in RTU 高性能RTU交流采样单元的设计与实现
The scene dissolved oxygen quantity signal isolation to the MCU AD sampling unit, realizes to the oxygen content signal acquisition, and through digital tube display real-time oxygen content. 现场溶氧量信号经过信号隔离送到单片机的AD采样单元,实现对溶氧量的信号采集,同时通过数码管进行显示实时溶氧量。
The main conclusion is as follows: The electronic nose system consists of sampling unit, data acquisition unit and signal processing unit. 主要结论如下:设计并实现了一个电子鼻系统。该系统由取样部分、数据采集部分、信号处理部分组成。
FTU is composed of control unit, sampling unit, memory unit, communication module, and input/ output circuit. FTU由控制单元、采样单元、存储模块、通讯模块及输入输出电路组成。
In the software design, the image sampling flow are first discussed, and then a sensor compensation algorithm is proposed to equalize the sensitive error of each sampling unit in CIS, and at last, the image analysis scheme is discussed. 在软件设计中,首先讨论了图像采集流程,然后提出了传感器补偿算法,用于补偿CIS各采集单元的成像误差,最后讨论了图像分析流程。
According to the results from sampling unit, the control unit calculates the effective value, and compares it to the threshold value. When fault current detected, FTU uploads the fault information to the server via communication module. 控制单元根据采样单元得到的电流采样值计算有效值,并与设定的过流门限进行比较,当检测出相间短路大电流时,将故障信息通过通讯模块上传至上位机。