powder_size

说明：  根绝ISO16281 利用python编写的圆柱滚子轴承刚度计算程序(This program uses ISO 16281 to evaluate the stiffness matrix of hylinder Roller Bearing, which based on Python.)

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.)

说明：  采用相场方法，计算纯物质枝晶生长，标记为相场模型C。(Dendrite growth of pure substance was calculated by phase field method, marked as phase field model C.)

宾馆管理系统论文，很全民，适合学习和借鉴(Hotel management system thesis, it is universal, suitable for study and reference)

这是matlab的代码，用于lfmsk雷达波形和比相法测角的仿真代码，望有用的人自取(this is used to simulate the lfmsk and angle figuring)

说明：  张文彤SPSS统计分析基础教程数据、张文彤SPSS统计分析高级教程数据(Zhang Wentong SPSS Statistical Analysis of Basic Course Data and Zhang Wentong SPSS Statistical Analysis of Advanced Course Data)

说明：  利用python编程的WOFOST作物模型，进行作物产量等模拟，实现wofost模型。(The WOFOST crop model programmed by Python was used to simulate crop yield and realize WOFOST model.)

使用MATLAB/SIMULINK创建汽车整车模型，进行汽车整车仿真。(Using MATLAB/SIMULINK to create a vehicle model, vehicle simulation.)

利用LABview软件的频谱分析功能实现使用FFT分析信号幅度谱和相位谱，(Analysis of Signal Amplitude Spectrum and Phase Spectrum by FFT)

用于abaqus建模内聚力单元建模，通过内聚力单元分析材料损伤(Used for abaqus modeling, the cohesion unit is used to analyze material damage)