用可编程器件实现ISD4004级联工作设计

分析了ISD（Information Storage Device）4004芯片的录放音控制方法,用ISP（In-System Programmable digital Circuits）在系统编程器件M4-32／32实现了对4片ISD4004语音芯片的录放音控制设计,使录放时间达64min。与其它控制方法相比是一种新方法。     

用P89C664实现I2C总线大批量数据的自动存储

结合Flash Magic软件对PhilipsP89C664单片机ISP功能进行详细介绍,同时详细叙述利用P89C664硬件I2C接口接收数据并转发到电脑,实现I2C总线大批量数据的自动保存技术,并附有完整的源程序清单及必要的注释。     

在线可编程手持数据采集设备系统的层次化软件设计

介绍了ATMEL公司的高性能AVR单片机ATMega128L的在线可编程(ISP)的特性并在手持数据采集设备系统中实现了面向对象的应用软件和相关通讯软件、监控软件的层次化设计,扩大了手持式数据采集设备在工业控制计算机领域中的应用范围。     

数字合成扫频仪USB2.0接口设计

在对数字合成扫频仪的硬件设计进行概述的基础上,描述了一种基于ISP1362的USB2.0接口设计方案,包括USB接口的硬件结构设计,USB固件程序、驱动程序以及应用程序的设计方法。实验表明,整个设计满足设计要求,传输速率可达33 Mbit·s^-1。     

基于SOPC的惯导组件多模式数据采集系统研究

为满足惯导组件的多种信号输出测量需求,设计一种基于SOPC的惯导组件多模式测量系统。该系统以FPGA和ISP1581USB为核心,既能对两个惯导组件输出的24路脉冲信号每5 ms进行一次无缝计数,也能对4个惯导组件输出的4路串口数据每10ms进行一次采集。USB总线把采集的数据上传到PC机,进行实时地处理、保存和显示,以此来满足测量的要求。与传统测量设备相比,该设计具有较高的可靠性和稳定性,提高了测量效率,降低了成本。     

TMS320VC5402最小应用系统的设计与实现

随着DSP的广泛应用.如何在DSP系统上进行上电引导和在线烧写FLASH都是不可回避的。针对在实际应用中存在的问题.提出了一种实用的扩展存储器设计方案。本文阐述了在这种硬件资源的配置下.利用FLASH存储器的在系统编程技术.设计和编写符合系统要求的上电引导程序和烧写程序。     

韶关冶炼厂提高ISP工艺处理混合矿能力的实践

分析了混合矿对ISP生产工艺的影响,通过改进烧结配料、厚料层烧结方面的研究与应用,使混合矿的处理量达到较高水平,取得良好的经济效益.     

Verification and validation benchmarks

Verification and validation (V&V) are the primary means to assess the accuracy and reliability of computational simulations. V&V methods and procedures have fundamentally improved the credibility of simulations in several high-consequence fields, such as nuclear reactor safety, underground nuclear waste storage, and nuclear weapon safety. Although the terminology is not uniform across engineering disciplines, code verification deals with assessing the reliability of the software coding, and solution verification deals with assessing the numerical accuracy of the solution to a computational model. Validation addresses the physics modeling accuracy of a computational simulation by comparing the computational results with experimental data. Code verification benchmarks and validation benchmarks have been constructed for a number of years in every field of computational simulation. However, no comprehensive guidelines have been proposed for the construction and use of V&V benchmarks. For example, the field of nuclear reactor safety has not focused on code verification benchmarks, but it has placed great emphasis on developing validation benchmarks. Many of these validation benchmarks are closely related to the operations of actual reactors at near-safety-critical conditions, as opposed to being more fundamental-physics benchmarks. This paper presents recommendations for the effective design and use of code verification benchmarks based on manufactured solutions, classical analytical solutions, and highly accurate numerical solutions. In addition, this paper presents recommendations for the design and use of validation benchmarks, highlighting the careful design of building-block experiments, the estimation of experimental measurement uncertainty for both inputs and outputs to the code, validation metrics, and the role of model calibration in validation. It is argued that the understanding of predictive capability of a computational model is built on the level of achievement in V&V activities, how closely related the V&V benchmarks are to the actual application of interest, and the quantification of uncertainties related to the application of interest.     

ISP芯片在机舱自动化中的应用

介绍了PLD器件的基本概念及在系统可编程技术的特点;具体剖析了ISP芯片结构实例及ISP芯片在实船机舱自动化中的应用。实际运用表明,ISP芯片的使用可大大降低工作量和成本,具有广阔的应用前景。     

智能仪器仪表的ISP技术与Internet接入

从互联网理认绵角度探讨智能仪器仪表的ISP技术与互联网技术组结合的方法,并介绍了一些在模拟系统设计中的具体应用。