This thesis researches the design and implementation of underwater high - speed multi - channel data acquisition and processing system . there are some contents to be presented including designing a set of noise signal generator ; design and implementation of underwater nosie high - speed multi - channel data acquisition and processing system ; programming the windows 2000 device driver cl pci and usb with ddk2000 ; programming user interface of the control of the acquisition and display of the image with vc + + 6 . 0 本论文对高速多通道采集和处理系统的设计和实现进行了研究,论文的主要研究工作包括:设计一套模拟噪声源;根据水下目标辐射噪声的检测和识别要求进行了高速多通道采集和处理系统的设计和实现研究;完成了相应的pci 、 usbwindows2000驱动程序的开发;使用vc + + 6 . 0编写了采集控制和波形显示界面。
On the bases of the thorough comprehension to the vxibus specification and the multi - channel data acquisition system , and the deeply study to the basic principle and development trend of the vxibus data acquisition technology , the eight - channel parallel data acquisition module is developed 本文在对vxi总线规范和多通道并行数据采集系统的深入理解,以及对vxi总线数据采集技术的基本原理和发展趋势作了深入细致研究的基础上,完成了vxi总线8通道并行隔离a / d模块的研制。
This article described the designing process of the system of auto crash test control and data acquisition and processing that is based on the lots of investigation about the question of auto safety and auto crash test system in domestic and international , and mainly for this system special requests that are vehicle ' s velocity real time control and multi - channel data acquisition while crash . designing this system used advanced virtual instrument technology , on the base of lab view with c / c + + and asm 本论文在对国内外汽车安全问题、汽车碰撞试验系统进行了充分地调查研究的基础之上,针对本系统试验车速实时自动控制、碰撞过程多通道数据采集的特殊要求,系统的开发采用了先进的虚拟仪器技术,在labview开发平台上,结合c / c + + 、汇编语言进行混合编程设计。
A new method for realization of multi - channel data acquisition on windows flat form is brought forward in allusion to the feature of hyper - low frequency with water pressure pulsation in hydroelectric sets . and various anti - disturbance solutions are adopted in connection with the detection environment . the device proved to be able to has been meet predetermined requirement by its engineering application 针对水力发电机组水压脉动超低频特性,开发出一种在windows平台上实时多通道数据采集系统,并结合测试现场环境,提出了抗干扰的各种措施.经实际运用,达到了预定要求