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其他 ns 2.28 下 SPAN节能协议源码
ns 2.28 下 SPAN节能协议源码，含有IEEE 802.11 PSM功能，SPAN协议等
模拟电子 利用数字电位器调整并校准升压型DC-DC转换器
The purpose of this application note is to show an example of how a digital potentiometer can be used in thefeedback loop of a step-up DC-DC converter to provide calibration and/or adjustment of the output voltage.The example circuit uses a MAX5025 step-up DC-DC converter (capable of generating up ...
模拟电子 高集成四通道工业控制应用的电压输出DAC
 
Digital-to-analog converters (DACs) are prevalent inindustrial control and automated test applications.General-purpose automated test equipment often requiresmany channels of precisely controlled voltagesthat span several voltage ranges. The LTC2704 is ahighly integrated 16-bit, 4-channel ...
单片机编程 西门子S7-300 PLC模拟量转换
Analog Inputs and Outputs in an S7 PLC are represented in the PLC as a 16-bit integer. Over
the nominal span of the analog input or output, the value of this integer will range between -
27648 and +27648. However, it is easier to use the analog values if they are scaled to the
same units and ra ...
软件设计/软件工程 This paper presents the results of the Finnish national "Technology Vision of the Future Distributio
This paper presents the results of the Finnish national "Technology Vision of the Future Distribution Network" project. The aim of the project was to create a technology vision of future distribution networks. Because the life span of networks is very long, a long term vision is very important for g ...
JavaScript 利用javascript在一个div快内纵向计算打印出该行的圆上两点
利用javascript在一个div快内纵向计算打印出该行的圆上两点，采用生成span块的方法打印点
Ajax 演示中使用的数据库为省、市、县三级数据库 演示程序实现了省、市、县三级联动（ajax技术） 程序调用方法： 1：把 <script language="javascript" src="
演示中使用的数据库为省、市、县三级数据库
演示程序实现了省、市、县三级联动（ajax技术）
程序调用方法：
1：把
<script language="javascript" src="js/jquery.js"></script>
<script language="javascript" src="js/firste_city.js"></script>
贴到网页<head></head>之间
2：把
<span id="f"></span><span id="floading ...
论文 用于锂 - 硫电池的纳米结构金属氧化物和硫化物(1)
Lithium–sulfur (Li–S) batteries with high energy density and long cycle life are considered to be one of the most promising next-generation energy-storage systems beyond routine lithium-ion batteries. Various approaches have been proposed to break down technical barriers in Li–S battery systems. ...