恒压供水plc梯形图程序-接线图

为了感谢惠俊英老师的谆谆教诲，再为好奇诸君奉上水声物理--海洋传播声场模拟的一份武林秘籍--海洋传播声场抛物方程解算方法--RAM！ 当好奇诸君阅毕此卷，再对照轻松跑完作业，即入门 RAM！ RAM 与 AcousticsToolbox 遵照 GNU 公共许可证进行分发。感谢Michael D. Collins 对 RAM 的原创，也感谢由 Free Software 凝聚起来的自由科学家社区(In order to thank Professor Hui Junying for his teachings, and then offer you a secret book of underwater acoustic physics, ocean propagation sound field simulation, the parabolic equation solution method of ocean propagation sound field, RAM! When curious gentlemen read this volume, and then compared with easy running homework, that is, access to RAM! RAM and Acoustics Toolbox are distributed under the GNU Public License. Thanks to Michael D. Collins for his original RAM and to the Free Software community of free scientists.)

说明：  matlab仿真建模，用于电力系统可靠性分析，建立的2区，四机模型，用于电力系统可靠性分析与规划、潮流计算(Matlab simulation modeling, used for power system reliability analysis, the establishment of a 2-zone, four-machine model, used for power system reliability analysis and planning, power flow calculation)

说明：  本软件用于计算不同边界条件下均匀直梁横向、纵向前三阶固有频率。(The software is used to calculate the first three natural frequencies of the transverse and longitudinal direction of a uniform straight beam under different boundary conditions.)

关于ISAR运动补偿和SAR成像的matlab 源程序 不错的(About the ISAR motion compensation and matlab source good SAR imaging)

说明：  神经肌肉电刺激信号采集与处理本科毕业设计(Neuromuscular electrical stimulation signal acquisition and processing Graduation Project)

说明：  PLECS是一个用于电路和控制结合的多功能仿真软件，特别是用于电力电子和传输系统。该PLECS模块是一个光伏电池模型（该软件没有内置的光伏电池模型）。(PLECS is a multi-functional simulation software for the combination of circuit and control, especially for power electronics and transmission systems.This PLECS module is a PV battery model (the software does not have a built-in PV battery model).)

说明：  pmsm转矩预测控制（还有瑕疵，请指正）(Pmsm Torque Predictive Control (with flaws, please correct))

采用MATLAB编写的，斜齿轮时变啮合刚度计算程序(Matlab program to calculate the time-varing menshing stiffness of helical gear)

fluent UDF编程，主要应用于DPM积灰建模，UDF开源设计程序(it is useful for learner of fluent)

实现弧度向角度的转换，判断在第几象限。。。。。。(Realize the conversion of radian to angle and judge the quadrant)