This high speed digital test module is based on the vxi bus structure and specified on multi - channel and high speed aspects ; it is also capable of generating the stimulant signal and collecting the responded data ; meanwhile because the relationship between stimulation and response can be programmable , the module is highly intellective and it helps the testing system work more automatically ; what ' s more , with the good functions like real - time comparison , branch , single step , pause , trigger , it makes the testing more efficient as well 本实验室设计实现了高速数字测试模块,该模块是采用vxi总线结构的仪器,具备以下功能:多通道,高速度;同时具备产生激励信号和采集响应数据的能力;能够通过编程在激励和响应之间建立起因果联系,使整个测试过程体现出一定的智能性,大大提高测试系统的自动化程度;具有实时比较,实时跳转,单步,暂停,触发等功能,使测试过程更加快速和灵活。
A stochastic inverse technique based on gray - code genetic algorithm ( gga ) to invert particle size distribution from dynamic light scattering ( dls ) data is proposed . numerical tests and latex experiments for inverting dynamic light scattering data showed that the algorithm could be successfully applied to inverse problem of dls with high stability to the different type of distributions 提出了采用格雷码编码遗传算法对动态光散射测量的多粒径分布进行反演运算，数字测试的结果和聚苯乙烯乳球的实验结果表明，该算法能够精确的反演出各种分布的粒子分布图象。
The dissertation was written with the subject of radar incorporate test system technology in production , debugging and maintenance about research and realization on instrument driver of the high speed digital test module and fault diagnostic reasoning , and the task i have accomplished in the subject 本文是结合课题“某型雷达生产调试/维护保障一体化测试系统技术”中关于高速数字测试模块仪器驱动器和故障诊断推理软件的研究与实现,并根据自己在该课题中所承担的任务撰写完成。
The pulse / pattern generator has been wildely used in modern measuring and controlling fields , it can generate kinds of standard pulse signals and programmable user data to meet some special digital measuring requirements . and the digital waveform generating part , which can generate digital waveforms in given working modes , is the core of a pulse / pattern generator 脉冲/数据发生器是现代测量与控制中常用的信号源,它可以产生各种标准的脉冲波形和具有一定编码规则的用户数据,用来满足特定数字测试要求,而数字波形产生部分是脉冲/数据发生器中的核心部分,承担着产生各种模式的脉冲数字波形的任务。
The instrument driver is mainly used to be a bridge from the instrument soft - panel to the hardware . we can initialize the module and set the module state and get the module state by calling the interface function of the instrument driver . of course , the mostly function of the instrument driver is upload and download of data files 仪器驱动器主要起仪器软面板与仪器硬件之间的桥梁作用,通过调用仪器驱动器的接口函数,可以实现高速数字测试模块的初始化、状态设置、状态获取等功能,其中最重要功能是实现数据文件高速上传、下载。
