单摆减振

角度格式转换，度分秒转度，度分秒转弧度，弧度转度分秒。测量程序设计的基础代码之一(Point format conversion, transfer degrees degrees minutes and seconds, minutes and seconds turn degree arc, arc degree turn every minute. Measurement of program design based on code)

光伏控制器，自动充放电控制12V/10A光伏控制器（ERA-04-10-A）： 额定工作电压：DC12V 最大充电电流：10A 最大放电电流：5A/路（共两路负载） 太阳能组件开路电压：25V 空载电流：<15mA 温度补偿：-20Mv/°C 工作环境温度：-25°C～+50°C 使用海拔：<5500M 控制器尺寸（mm）: 光控电压（25°C）：<=3.3V 过放保护电压（25°C）：<10.8V 过放恢复电压（25°C）：>10.8V 过充保护电压（25°C）：>15.0V 过压保护电压：17.68V 过压恢复电压：14.7V 浮充电压（25°C）：13.4V～13.7V 恢复正常充电电压（25°C）：13.2V 结束正常充电电压（25°C）：15.0V (PV controller, automatic charge and discharge control 12V/10A PV controller (ERA-04-10-A): Rated voltage: DC12V Maximum charge current: 10A Maximum discharge current: 5A/Road (a total of two loads) Solar components of the open circuit voltage: 25V No-load current: < 15mA Temperature Compensation:-20Mv/° C Operating Temperature:-25 ° C ~+50 ° C with elevation: < 5500M Controller Size (mm): light control voltage (25 ° C): < = 3.3V over-discharge protection voltage (25 ° C): < 10.8V over-discharge recovery voltage (25 ° C):> 10.8V overcharge protection voltage (25 ° C):> 15.0V over-voltage protection Voltage: 17.68V overvoltage recovery voltage: 14.7V float voltage (25 ° C): 13.4V ~ 13.7V back to normal charging voltage (25 ° C): 13.2V end of the normal charging voltage (25 ° C): 15.0V)

根据实测风场数据，计算平均风速（10分钟平均）随时间的变化，并输出图像。(According to the measured wind field data, the variation of the mean wind speed (10 minutes average) with time is calculated and the image is output.)

电力系统仿真建模需要的模型，可以适合智能电网，分布式发电(power system modeling control smart grid stability)

说明：  电力系统配网潮流计算,vb编制 配电网潮流计算程序(也可用于其它电压等级辐射网)采用当前流行的“前推回推”算法，收敛速度快（一般不超过3次迭代即可获得满意的精度）。(Power system distribution network power flow calculation, vb preparation of distribution power flow calculation program (also available for other voltage levels of radiation network) using the current popular )

家电维修源码自用的 家电维修源码自用的(jiadianweixiuyuanma ziyongde)

参考文献《Acceleration planning based anti-swing and position control for double-pendulum cranes》，实现单摆系统的软着陆，降低系统振动。(According to the references "Acceleration planning based anti-swing and position control for double-pendulum cranes", A soft landing of the pendulum system and vibration reduction is realized.)

地震勘探反演方法 正演延拓 假设炮点在地层最底层，向上延拓(Forward seismic inversion method assuming continuation shot in the bottom of the formation, upward continuation)

道格拉斯-普克算法 (Douglas– Peucker algorithm，亦称为拉默-道格拉斯-普克算法、迭代适应点算法、分裂与合并算法)是将曲线近似表示为一系列点，并减少点的数量的一种算法。它的优点是具有平移和旋转不变性，给定曲线与阈值后，抽样结果一定。(The Douglas - puke algorithm (Douglas - Peucker algorithm, also called the lamer - Douglas - puke algorithm, iterative adaptive point algorithm, split and merge algorithm) is an algorithm that approximatively represents a curve as a series of points and reduces the number of points. It has the advantages of translation and rotation invariance. After a given curve and threshold, the sampling result is certain.)

交叉谱分析 计算时间序列的滞后性 能广泛的应用于气象等科研领域(Spectrum analysis)