doppler

二极管实现混频的matlab验证，有注释说明，便于理解二极管混频(Matlab verification of diode realization mixing)

说明：  实现电动汽车的有序充电仿真，兼用光伏发电，实现电动汽车对电网的友好(Orderly charging of electric vehicles)

通过MATLAB软件研究齿轮-滑动轴承的分岔混沌动态特性(Study on the chaotic dynamic characteristics of the gear sliding bearing by MATLAB software)

Fluent分子运动学运算的辅助文件，包括两种种类分析等(Fluent defuzhuwenjian)

说明：  采用频移调制的方式产生RGPO干扰，并定量分析它对LFM体制雷达的影响效应。按照脉冲重复周期为间隔，完成了动态的RGPO干扰演示，对从事雷达电子战领域研究的技术人员有一定的参考。(RGPO jamming is produced by frequency shift modulation, and its effect on LFM radar is analyzed quantitatively. According to the interval of pulse repetition period, the dynamic RGPO jamming demonstration is completed, which has certain reference for the technical personnel engaged in the radar electronic warfare field.)

各种时间之间的转换，包括： 将GPS周和周内秒转换到公历时间， 由公历日期和GPS周内秒计算公历时间， 将公历GPS时间转换到GPS周和周内秒， 将简化儒略日转换到公历时间， 将公历时间转换到简化儒略日， 从儒略日计算公历时间， 将公历时间转换到儒略日等。(The conversion between various times, including: Conversion of GPS weeks and weeks to the calendar time, The calendar time is calculated from the date of the calendar and the seconds within GPS weeks. The GPS time of the calendar is converted to GPS weeks and within seconds, Julian day will simplify the conversion to the calendar time, The Gregorian calendar time to simplify the Julian day, Calculate the Gregorian calendar time from Julian day, Convert calendar time to Julian day.)

主要功能：1.利用油水井井位坐标绘制井位图；2.利用油水井注采液量数据绘制动态曲线图；3.利用油水井注采液量数据，根据容阻模型对井间连通性进行反演，求取注水井注水量平面分配系数，并进行可视化展示。 技术特点：软件自动读取井位信息及油水井注采液量数据，根据改进的容阻模型，利用基于遗传算法的混合优化算法来对模型进行求解，确定表征注采对应关系的参数——连通系数和时间常数，量化表征了注采对应关系，从而指导油田生产为油田开发管理者提供了科学的决策工具。(Main function: 1. wells wells wells by using the coordinate drawing graph; 2. the use of water injection wells drawing dynamic curve of fluid data; 3. the use of oil and water wells injection fluid volume data, according to the volume resistance model of inter well connectivity inversion for the water injection volume plane distribution coefficient, and visual display. Technical features: the software automatically reads the information and the oil injection wells fluid volume data, according to the volume resistance model improved by genetic algorithm, the hybrid optimization algorithm to solve the model based on the determined parameters correlation characterization of injection - connectivity coefficient and time constant, the quantitative characterization of the injection production relationship, so as to guide the oil field the production provides a scientific decision-making tool for oilfield development management.)

说明：  经典的牛拉法潮流计算matlab程序，IEEE 9 节点、6节点系统 潮流计算(IEEE 9&6 BUS power flow analysis)

组合导航定位中GPS与北斗组合单点定位算法，包含最小二乘与方差分量估计(The combination algorithm of GPS and Beidou in single point location)

恒压变频供水，实现供水的恒压变频，可以恒压供水，并且可以通过变频器节能(niceConstant voltage and frequency conversion water supply can realize constant voltage and frequency conversion of water supply, water supply can be constant pressure, and energy saving can be achieved through frequency converter.)