虚拟仪器

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7、充值购买 费领取附件程序文件 中文摘要 传统的电机检测设备主要依靠人工检测工作，自动化程度不高，需要人工测试和记录数据并对数据进行处理分析 ,这很大程度上限制了电动车检测的效率，所以需要设计一套自动化测试平台对电机的性能进行检测。针对于无刷电机性能综合测试，采用 形化测试软件，通过传感器测量电压、电流、转速、扭矩等参数；通过上位机软件调节转速和扭矩，动态模拟电机实际运行状态，实现电机的输入功率、输出功率和工作效率的测量。系统具有计算、显示、报警、存储和打印报告等功能，可检测电机的综合性能，并判定产品合。

8、中文摘要 传统的电机检测设备主要依靠人工检测工作，自动化程度不高，需要人工测试和记录数据并对数据进行处理分析 ,这很大程度上限制了电动车检测的效率，所以需要设计一套自动化测试平台对电机的性能进行检测。针对于无刷电机性能综合测试，采用 形化测试软件，通过传感器测量电压、电流、转速、扭矩等参数；通过上位机软件调节转速和扭矩，动态模拟电机实际运行状态，实现电机的输入功率、输出功率和工作效率的测量。系统具有计算、显示、报警、存储和打印报告等功能，可检测电机的综合性能，并判定产品合格与否，提高了产品检验 的效。

9、基于 FPGA 和虚拟仪器的 DDS 信号发生器设计2013-11-19 10:21:57 来源：互联网分享到：标签：虚拟仪器 FPGA DDS 信号发生器将虚拟仪器技术同 FPGA 技术结合，设计了一个频率可控的 DDS 任意波形信号发生器。在阐述直接数字频率合成技术的工作原理、电路构成的基础上，分别介绍了上位机虚拟仪器监控面板的功能和结构，以及实现 DDS 功能的下位机 FPGA 器件各模块化电路的作用。经过设计和电路测试，输出波形达到了技术要求，工作稳定可靠。信号发生器是一种常用的信号源，广泛应用于通信、测量、科研等现代电子技术领域。信号发生器的核心。

10、1VIRTUAL INSTRUMENT AND FREQUENCY CONVERSIONTECHNOLOGY-BASED BRAKE TEST SYSTEMBrake is widely useful and very important safety assuring equipment. The aim of Brake test system， which is based on visual instrument and frequency changing technology， is to integrative measure and analyze the performance and quality of the brake.This paper mainly introduces the principle， composing，function and features of the brake test system. And from the point of view of the principle of Visual Instrument （。

11、第2章数据类型和结构,2.1数值型数据2.2布尔型数据2.3字符串2.4数组和簇2.5波形数据2.6动态数据类型2.7局部变量和全局变量,2.1数值型数据,在前面板窗口中，数值型数据控件位于ALLControlsNumeric子面板中，其中包括数值输入/显示控件、时间标识/显示控件、垂直填充/指示滑动杆、垂直进度/刻度条、水平填充/指示滑动杆、水平进度/刻度条、旋钮、仪表、液管、温度计。