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Description: 采用12位MAX 197对外部信号采样。采用全周波傅立叶积分算法，对采样信号进行处理，对电力系统的电压有效值、功率等特征量进行实时在线监测；采用全数字测量法测量相位差；并采用自适应技术调整采样间隔，消除非同步采样对计算造成的误差，利用PIC18F458捕获功能实时监测电力系统频率波动，修订采样间隔。分析了各量的测量误差，均达到标准。并提供友好的人机交互界面。-used 12 MAX 197 pairs external signal sampling. Using Fourier-Cycle Integration Algorithm for the sampling signal processing, power systems to the RMS voltage, power characteristics of the volume in real-time on-line monitoring; All digital measuring method phase difference; Adaptive technology and the sampling interval, the elimination of non-synchronous sampling of the calculation error using PIC18F458 capture real-time monitoring of power system frequency fluctuations amended sampling interval. The analysis of the measurement error are up to standard. And to provide a friendly man-machine interface.
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Size: 9038 |
Author: 金永州 |
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Description: 采用12位MAX 197对外部信号采样。采用全周波傅立叶积分算法，对采样信号进行处理，对电力系统的电压有效值、功率等特征量进行实时在线监测；采用全数字测量法测量相位差；并采用自适应技术调整采样间隔，消除非同步采样对计算造成的误差，利用PIC18F458捕获功能实时监测电力系统频率波动，修订采样间隔。分析了各量的测量误差，均达到标准。并提供友好的人机交互界面。-used 12 MAX 197 pairs external signal sampling. Using Fourier-Cycle Integration Algorithm for the sampling signal processing, power systems to the RMS voltage, power characteristics of the volume in real-time on-line monitoring; All digital measuring method phase difference; Adaptive technology and the sampling interval, the elimination of non-synchronous sampling of the calculation error using PIC18F458 capture real-time monitoring of power system frequency fluctuations amended sampling interval. The analysis of the measurement error are up to standard. And to provide a friendly man-machine interface.
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Size: 9216 |
Author: 金永州 |
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Description: 单片机对A/D的控制程序
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Size: 1024 |
Author: wang |
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Description: 12位A/D MAX197转换子函数
子函数名：ad_cy（）
参考电压：4.096v-12-bit A/D conversion MAX197 Functions Functions Name : ad_cy () reference voltage : 4.096V
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Size: 1024 |
Author: 石头 |
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Description: At89s52单片机与max197的AD程序-At89s52 MCU and the AD process max197
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Size: 41984 |
Author: 刘 |
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Description: 51单片机控制12位DA_MAX197的程序-51 SCM 12 DA_MAX197 procedures
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Size: 17408 |
Author: 赵宾 |
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Description: MAX197子程序,实现12位AD转换,高精度高速转换
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Size: 28672 |
Author: 蔡振华 |
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Description: 基于单片机AT89S52系统的一些测试程序，用C语言编写的，自己已经做实验验证过了-Based on MCU AT89S52 system testing procedures, using C language, they have to do the experiment verified the
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Size: 14336 |
Author: 刘玉领 |
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