Several self-sponsored and self-installed ibm compatible multi-media computers for software and hardware testing established a self-sponsored multi-function room equipped with 35 computers 多台自资及自行装制的ibm兼容多媒体电脑作软硬体测试之用
This paper points that the activity of chip's verification is no longer hardware testing, but a hardware testing with basic rules of software testing 在文中,通过对验证活动的作用、验证流程的分析,提出芯片的验证已经不仅仅是硬件测试,而且是结合有软件测试特点的硬件测试。
This paper points that the activity of chip's verification is no longer hardware testing, but a hardware testing with basic rules of software testing 在文中,通过对验证活动的作用、验证流程的分析,提出芯片的验证已经不仅仅是硬件测试,而且是结合有软件测试特点的硬件测试。
Jack williams has been an advisory software engineer with lotus since the late 1990 s, working on a variety of projects involving quickplace testing, ibm hardware testing in the aix environment, and various other responsibilities jackwilliams从上个世纪90年代起成为lotus顾问软件工程师,先后参与了多个项目,包括quickplace测试、aix环境下的ibm硬件测试和其他多项任务。
And a leveled systemic fault diagnosis model is established lastly . by laboring stretch-bending former system function demands, its condition monitoring contents and hardware testing platform are established . also, fault signals acquisition, examination and process methods are researched as well 在详细分析了转台式拉弯机液压系统的组成结构、工艺特点和故障形式及特点的基础上,确立了液压系统状态监测的内容,组建了系统测试的硬件平台。
In order to get the real-time motor controller with wide speed scope, high precision and large ability, this paper has used the special digital signal processor ( dsp ) made in texas instrument for motor control to design and finish the speed adjustable motor controller, analyzed the control methods and discussed the application in the fields of position testing, drive and power inverter circuit, completed related hardware testing and tested its functions 为了获得调速范围宽、精度要求高、功能强大的实时电机控制器,本论文选用了德仪公司生产的电机专用数字信号处理dsp芯片,完成了调速电机控制器的设计与制造。并在此基础上分析了控制策略以及在位置检测、驱动、主功率电路应用等方面展开了讨论。完成了相关的硬件调试并在实际中加以检验。
The successful design of gsmb main board can not only establish theory and practice basis of designing server but also fill up the blank of no safety server based on domestic general cpu in our country in a long time . moreover, gsmb platform can provide north bridge, south bridge, soc ip core with a cross function hardware test circumstance, which can avail to develop chip groups of independent knowledge right, design all kinds of general cpu and high speed embedded cpu, strengthen market competitive ability, finish industrial develop of domestic cpu at an early date gsmb的开发成功,不仅为服务器主板设计积累了理论和实践基础,而且填补了我国长期没有基于国产通用cpu的安全服务器的空白,更可以为研制北桥ipcore、南桥ipcore、socipcore提供一个可进行交叉功能验证的硬件平台,以利于开发具有自主知识产权的芯片组、各种通用cpu和高速嵌入式cpu、增强市场竞争力、早日完成国产cpu的产业化发展。
This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering . at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu-lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band-pass filter, alternating amplifier, phase sensitive demodulatorn, pulse-width modulation, frequency scale circuit, moment current generator . finally, using the graphics program language labv-iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions 首先对加速度计及其测试技术的发展历史和现状,液浮摆式加速度计的工作原理和数学模型等作了简要的介绍,然后确定了以二元调宽脉冲再平衡测试回路为设计方案,并从控制理论的角度进行了分析,着重研究了系统中各部分的传递函数,利用系统开环传递函数分析了系统的稳定性,同时设计了系统的校正网络;分析了二元调宽脉冲再平衡测试回路的分辨率、采样约束以及测试精度等基本问题,并按照系统分析的结果设计了包括前置放大、带通滤波、交流放大、相敏解调、脉宽调制、频标电路以及力矩电流发生器等测试系统各部分硬件电路,验证了电路的正确性,最后按照测试系统的要求,采用了美国ni公司专为测试领域所开发的虚拟仪器工具??labview作为测试软件开发工具,利用该图形化编程语言完成了测试系统软件部分的设计,实现了测试功能。
This paper include two parts, one is about if digitized receiver in pcm / fm telemetring system, the other is about a kind of signal processor based on fpga technology which could be in series with each other . in these two parts, we introduse the design method, the realization of hardwares, and the result of hardware testing . the primary works in this paper are presented as follows : 1 . to complete the project demonstration and simulation of the system 本文由两部分组成,其中第一部分概述了遥测系统(pcm/fm)的基本组成,并着重讨论了中频数字化接收部分基本理论、系统设计方案和具体实现,同时给出了系统的硬件调试和测试结果;第二部分介绍了一种基于fpga技术的级联型信号处理器的设计方案和fpga仿真结果。
The situation of the embedded hardware system require embedded equipment ’ s producing and testing of a higher standard . on traditional production line, single hardware testing and program solidification can not match up to embedded trade development neither in cost nor development cycle 嵌入式硬件系统的这种发展现状对嵌入式设备的大规模生产和测试提出了新的要求,传统生产线上的个体硬件裸机检测和程序灌装的方式无论是在生产成本上还是开发周期上都不能适应目前嵌入式行业的发展需要。