adder

ansys 传热模型APDL代码，包含第一类温度边界条件和第三类温度边界条件(ansys heat transfer model APDL code, including first class temperature boundary conditions and temperature boundary conditions)

将外部AD转换为阻抗输出，0-10V对应0-10K阻值，分为256级(0-10V input,0-10K output)

基于覃志豪的单窗算法的地表温度反演IDL程序，只需修改文件路径和输出格式即可。(LST inversion)

计数器是数字系统中使用最多的时序电路，它不仅能用于对时钟脉冲计数，还可以用于分频、定时、产生节拍脉冲和脉冲序列以及进行数字运算等。(Counter is the most frequently used sequential circuit in digital system. It can be used not only for counting clock pulses, but also for frequency division, timing, generating beat pulses and pulse sequences, and performing digital operations.)

鉴于stm32在keil平台上的触摸屏显示与校准触摸(touch screen display)

音乐程序(Music program)

PLL锁相环 输入三相电压电流 输出电角度 DQ轴电压电流(Phase Loop Lock Input: 3_phase voltage¤t output: angle & DQ-axis Voltage&Current)

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.)

点阵程序 4片16*16点阵显示程序，可以正显，反显，左右移动。(Dot-matrix program 4 16* 16 dot matrix display program, you can now significantly, anti-marked, about mobile.)

说明：  PC通过串口控制Zigbee温度传感器的采集启动与停止。。。(PC controls the start and stop of Zigbee temperature sensor acquisition through serial port.)