浅析500kW短波发射机ECOS2中的调谐数据文件

本文主要从TSW2500型500kW短波发射机人机交互界面ECOS2软件切入,日常维护中在ECOS2软件界面可完成对数据的新增和修改,在日常维护和实际工作中需要明确ECOS2软件中调谐数据文件的存储格式和运算方式以及调谐数据的校验模式。     

基于STM32的舞台灯光控制系统设计

根据舞台灯光的应用场合和应用模式,设计了一种基于STM32的舞台灯光控制系统。阐述了以STM32F103系列芯片为核心处理器的整体硬件平台架构,然后以模块化的角度详细介绍了如何完成DMX512数据通信、电机驱动和RGBW四色灯芯驱动,最后软件上采用PWM调光技术实现调光曲线输出、LED彩虹效果和频闪设计。该系统具有混色纯正和调光输出曲线顺滑、线性等特点,能够稳定运行且成功应用于产品中。     

30 years of British utility regulation: Developing country experience and outlook

This article examines the impact the UK regulatory model has had in developing and transition countries in the three decades since its inception. It presents data linked to three key features of the model, namely independent regulatory institutions; focus on competition; and greater efficiency in service delivery through incentive-based regulation. The difficulty of formulating statements valid for a very diverse set of countries is acknowledged. Nevertheless, the article argues that despite of the rapid spread of regulatory agencies across the world, the UK regulatory model has been only partially successful in middle- and low-income countries. The main explanation offered is that the ‘de-politization’ of regulatory institutions is more challenging to achieve in a context of below cost-recovery tariffs and continued state-ownership of utilities. But improving the technical soundness of decision making and introducing accountability for operators are key tasks that regulators can address even if the gap to the UK ideal remains in a number of countries.     

基于CC2530的SDHC卡读写设计

提出了将SDHC卡作为CC2530的外部存储设备实现数据存储的方法。SDHC卡具有体积小、存储容量大的特点,通过CC2530组建的无线传感网络适用于工业监测,而将SDHC卡与CC2530相结合,则能够长期连续工作并记录大量数据,可以满足各种长期监测状态场合的需要。     

某康复训练运动信息采集系统

针对人体运动信息采集与轨迹跟踪的特点,利用惯性传感器,设计一种运动信息采集与无线传输装置。 利用主控芯片对惯性器件采集到的数据进行处理、拼接,通过NRF24L01 同步发送到上位机接收端,在上位机端进 行数据处理,并对系统进行静态与动态的实验分析。实验结果表明：该系统具有较高的稳定性和精度,能在轨迹跟 踪、姿态解算等研究上提供参考依据。     

Design of High-voltage Electrostatic Generator Based on STM32

This paper introduced a high-precision high-voltage electrostatic generator which utilized STM32F103 as the main controller.The hardware and software design of the system were detailed.The full use of ample on-chip resources of STM32F103,such as ADC and the PWM output of timer,contributed to the small size and low cost of the system.The 16-bit PWM signals,generated by the timer on chip,served to adjust the output voltage accurately.The touch screen was responsible for the setting and display of output voltage,and the friendly human-computer interaction was built.Experimental results indicated that this high-voltage static generator was of high precision and great practicability for application.     

RSVIEW32历史数据采集方式研究和实现

文章介绍了组态软件Rsview32的三种数据采集与存储方法,详细描述它们实现过程。     

STM32驱动ILI9325显示字符串的方法

介绍了液晶主控ILI9325的控制时序图;给出了STM32初始化的过程和ILI9325的配置步骤;重点讲述了一种基于8位数据传输模式的字符串显示的基本原理和配置方法。最终实现了任意字符(包括汉字、字母和符号)的显示。     

超细水泥处理深井钻井液HCO3-和C0O32-污染

在深井钻探过程中,常遇到不同程度的HCO<,3><'->和CO<,3><'2->化学污染,使钻井液性能变化较大且极不稳定,在其处理过程中处理剂用量和性能的大幅度变化,容易造成井下复杂情况.特别是在中生界以下易垮塌的泥岩、膏泥岩和含煤线地层等复杂井段出现该情况时,单纯提高pH值和使用CaO的常规处理方法已不能满足井下的需要.通过室内实验和几口深井复杂井段的现场应用表明,选用超细水泥处理HCO<,3><'2->和CO<,3><'2->污染的效果好,其对钻井液的流变性影响小,同时能够有效地起到稳定井壁作用,从而可保证各项钻井施工任务的顺利进行.     

基于STM32的MIT-BIH心电数据的D/A回放

设计基于STM32的MIT-BIH心电数据D/A回放,对整体设计方案、硬件组成、软件设计等进行了介绍。通过读取心电数据将其进行D/A转换,输出波形与原始波形进行比较,较好地实现了回放功能。由此可见,该系统的性能指标达到了设计要求。能很好地实现心电数据回放,为一系列心电算法的仿真实践及实时心电监护仪的研制打好了基础。