MMS关键指标意义&各数值区间意义 What's MMS MongoDB Management Service (MMS) is a suite of services for managing MongoDB deployments. 统计图表的数据来源 all statistics can show in mongo shell by: >db.serverStatus() opcounters 意义:The average number of commands performed pe…
## part 1 mms图 What's MMS MongoDB Management Service (MMS) is a suite of services for managing MongoDB deployments. 统计图表的数据来源 all statistics can show in mongo shell by: >db.serverStatus() opcounters 意义:The average number of commands performed per sec…
http://e2e.ti.com/blogs_/b/analogwire/archive/tags/DAC%2bEssentials DAC Essentials: A new blog series A digital-to-analog converter, or DAC, performs the opposite function of an analog-to-digital converter, or ADC. Duh, right? But, have you ever wond…
模数转换器即A/D转换器,或简称ADC,通常是指一个将模拟信号转变为数字信号的电子元件.通常的模数转换器是将一个输入电压信号转换为一个输出的数字信号.由于数字信号本身不具有实际意义,仅仅表示一个相对大小.故任何一个模数转换器都需要一个参考模拟量作为转换的标准,比较常见的参考标准为最大的可转换信号大小.而输出的数字量则表示输入信号相对于参考信号的大小. 简介 将模拟信号转换成数字信号的电路,称为模数转换器(简称a/d转换器或adc,analog to digital converter),A/D转…