Digital data acquisition and processing system 数字数据获取与处理系统
Digital Filter Design in Seismic Data Acquisition System 地震数据采集系统中的数字滤波器设计
This paper introduces the application of Digital Signal Processor ( DSP) in the real-time data acquisition and processing system for linear CCD signal. 本文介绍数字信号处理器DSP在线阵CCD信号实时采集与处理系统中的应用。
Application of digital isolator on wireless well logging data acquisition and transmission system 数字隔离器在无线录井数据采集与传输系统中的应用
Design of a 2 Gsps digital oscilloscope data acquisition system 一种2Gsps数字示波器数据采集系统的设计
The hardware and software design for digital data acquisition system of γ-camera 传统γ相机数字化采集软硬件系统
With the help of the hot film probe and a three-hole probe containing fast response transducers in association with a digital data acquisition and processing system, the flow measurements during stall in an isolated rotor are obtained. 利用热膜探针及装有高频响压力传感器的三孔探针,结合动态数据采集和处理系统,测量了孤立转子的失速流场。
Application of Digital Filter in Data Acquisition System for Gas Phase Ultraviolet Photoelectron Spectrometer 数字滤波技术在气相紫外光电子能谱仪数据采集中的应用
This proposed research is aimed to investigate the design of the digital earthquake data acquisition and transmission system, to research and develop the design scheme, key technology, system functions and so on. 本课题提出了数字地震数据采集与传输系统的设计构想,并对设计方案、关键技术、系统功能等方面进行了研究和分析。
Simple Digital Data Acquisition System Design Based on Single-chip Computer 基于单片机的简单数字采集系统的设计
The period of digital input signal of this analyzer could be regulated. After data acquisition words were keyed, the microcontroller system was actuated and obtained results. 数字输入信号周期可调,通过键盘输入采集字后,启动单片机测试系统判定出采样结果。
Signal generator module of ERT data acquisition system usually has two styles: the simulation and Direct Digital Frequency synthesizer. ( DDS). ERT数据采集系统信号发生器模块通常有模拟式和直接数字频率合成(DirectDigitalFrequencysynthesizer,简称DDS)式两种类型。
For this reason, bases on prior period study, this paper presents a method that use digital signal processing technique to resolve above problems, and developes a dynamic data acquisition and processing system. 为此,在前期研究的基础上,本文针对这种振动式流量测量提出采用数字信号处理技术解决上述问题,并研究开发了一套动态数据采集及处理系统。
A high speed digital data acquisition and wide band measurement system was used to acquire and record the ultrasonic pulse waveforms backscattered from normal and several pathological pig's fresh liver tissues ( including ballooning degeneration, fatty degeneration, cirrhosis) in vitro. 本文采用宽带超声脉冲测量系统,通过对散射回波高速数字采样,对猪的新鲜离体正常肝组织及若干病变肝组织(如水泡变性肝,脂肪变性肝及硬化肝)进行了分析研究。
In modern radar system, wide or ultra wide band radar signal is used more widely. Accordingly, by using digital signal processing, we need high-speed data acquisition system to get information. 在现代雷达系统中,宽带雷达信号应用的越来越广泛,相应地,通过数字信号处理的方法来处理超宽带雷达信号,需要高速的数据采集系统来提取信息。
This dissertation studies the basic design method of VI, discusses the realtime display of digital signal with the points of data acquisition card, ISA line, Windows 2000 operation system, the calculagraph of Windows, etc. 本论文研究了虚拟仪器的基本设计方法,从数据采集卡、ISA总线、Windows2000操作系统、Windows计时器、波形恢复算法等方面,讨论了数字信号的实时显示问题。
Inheriting the produced fruits, this paper introduced the 6-axis wheel force transducer based on wireless digital communication and the distributed data acquisition system based on parallel data bus. 在继承课题组开发成果的基础上,本文研究了基于无线数据传输的车轮六维力传感器和基于并行总线的分布式数据采集机。
This thesis first introduces the structure and configuration of the digital earthquake data acquisition, transmission system and the function of each part, and the design goal according to the factual requests. 论文提出了地震数据采集与传输系统的结构和组成,对各个组成部分的功能作了介绍,并根据实际要求给出了系统的设计目标。
Zero drift in main amplifier is one of the important factors which affects the stability and accuracy of the digital seismic data acquisition system. 零点漂移问题是影响数字地震仪的稳定性和精度的重要因素之一。
Field bus control system ( FCS, Field-bus Control System) as a link between control device for digital communication, has been widely application in the industrial process data acquisition and system monitoring. 现场总线控制系统(FCS,Field-busControlSystem)作为控制设备之间实现数字通信的联系纽带,在工业过程数据采集与系统监控中得到了广泛的应用。
A FIR filter along with a digital IQ demodulation were designed and implemented in FPGA. Functional validation to the digital IQ demodulation was performed to show that this structure can improve the real-time performance of the data acquisition system. 介绍了FIR滤波的原理和FPGA设计,采用FPGA实现正弦信号的数字正交解调,并对其进行了功能验证,提高了截面数据采集系统的实时性能。
The digital electronic governor is included of three modules which are data acquisition system, data processing system and execution system. 调速器由数据采集系统、单片机数据处理系统和执行系统组成。
Based on this, the Digital Information System of Storage and Transportation Management is designed. The system consists of four parts: data acquisition system, information management system, network communication system, and terminal display system. 在此基础上,设计建立了适于储运管理的数字化信息系统模式,该系统由以下四个部分组成:数据采集系统、信息管理系统、网络通信系统、终端显示系统。
AS the front system of real-world analog signals into digital signal processor, Data acquisition system plays a very important role in the modern test technology. 数据采集系统作为现实世界中模拟信号转变为微处理器所能处理的数字信号的前端系统,在现代测试技术中占有非常重要的地位。