测试
测试测试
IPTV
IPTV河南新乡联通iptv源IGMP设备的IPTV播放链接:http://igmp.vip:2332/hen/5211t1.m3u 1.处理过的数据 序号 组播地址 (http://192.168.5.211:4022/udp/IP:Port) 频道 出现次数 备注 1 http://192.168.5.211:4022/udp/225.1.2.12:10066 CGTV 1 单个采样 2 http://192.168.5.211:4022/udp/225.1.2.34:10198 广西卫视 1 单个采样 3 http://192.168.5.211:4022/udp/225.1.2.36:10210 陕西卫视 1 单个采样 4 http://192.168.5.211:4022/udp/225.1.2.37:10216 山西卫视 1 单个采样 5 http://192.168.5.211:4022/udp/225.1.2.38:10222 内蒙古卫视 1 单个采样 6 http://192.168.5.211:4022/udp/225.1....
What is m3u8?
Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub. Quick StartCreate a new post1$ hexo new "My New Post" More info: Writing Run server1$ hexo server More info: Server Generate static files1$ hexo generate More info: Generating Deploy to remote sites1$ hexo deploy More info: Deployment
Study Note
Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub. Quick StartCreate a new post1$ hexo new "My New Post" More info: Writing Run server1$ hexo server More info: Server Generate static files1$ hexo generate More info: Generating Deploy to remote sites1$ hexo deploy More info: Deployment
Hello World
Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub. Quick StartCreate a new post1$ hexo new "My New Post" More info: Writing Run server1$ hexo server More info: Server Generate static files1$ hexo generate More info: Generating Deploy to remote sites1$ hexo deploy More info: Deployment
求极限
求极限1. 极限表达式$$\begin{align}\lim_{x \to 0} \frac{e^{ax}\cdot b-c }{e^{ax}-1} \cdot mx\end{align}$$ 2. 代码12345clcclearsyms a b x c mf =(exp(a*x)*b-c)*m*x/(exp(a*x)-1)limi_value=limit(f,x,0) 3. 计算结果12345678f = -(m*x*(c - b*exp(a*x)))/(exp(a*x) - 1) limi_value = (m*(b - c))/a
Matlab
MatlabSpreadsheet Link (for Microsoft Excel)[^1] 1. 用MATLAB绘制出长方体的代码1234567891011121314151617181920212223242526272829%% 根据三维空间中起点坐标和终点坐标绘制长方体%输入start_point: 起点坐标,如[1,1,1];%输入final_point: 终点坐标,如[5,6,7];%输出: 长方体function plot_cuboid(start_point,final_point)%% 根据起点和终点,计算长方体的8个的顶点vertexIndex=[0 0 0;0 0 1;0 1 0;0 1 1;1 0 0;1 0 1;1 1 0;1 1 1];cuboidSize=final_point-start_point; %方向向量vertex=repmat(start_point,8,1)+vertexIndex.*repmat(cuboidSi...
材料
材料1. 常用材料(m-kg-s单位制) 序号 材料名称 弹性模量($N/m^{2}$(Pa)) 泊松比 质量密度($kg/m^{3}$) 抗剪模量($N/m^{2}(Pa)$) 张力强度($N/m^{2}$(Pa) 屈服强度($N/m^{2}$(Pa)) 热扩散系数(/Kelven) 比热(J/(Kg.K)) 热导率(W/(m.K)) 1 3003 Alloy 6.9E10 0.33 2.70E03 2.70E10 1.10E08 4.14E07 2.3E-05 1.0E03 170 2 3003-0 6.9E10 0.33 2.73E03 2.50E10 1.10E08 4.0E07 2.32E-05 8.93E02 193 3 3003-0,Rod(SS) 6.9E10 0.33 2.73E03 2.50E10 1.05E08 3.6E07 2.3E-05 8.93E02 193 4 3003-H12 6.9E10 0.33 2.73E03 2.50E10 1.30...
仿真常用物性参数
仿真常用物性参数1. 常用工程材料属性(若对数据存在疑问,请对照其他资料核实) 材料类别 材料名称 弹性模量(N/m^2) 泊松比 质量密度(kg/m3) 抗剪模量(N/m2) 张力强度(N/m2) 屈服强度(N/m2) 热扩张系数(/Kelven) 比热(J/(kg.K)) 热导率(W/(m.k)) Ductile Iron (SN) 1.20E+11 0.310 7.90E+03 7.70E+10 8.62E+08 5.51E+08 1.10E-05 4.50E+02 75.00 可锻铸铁 KTH300-06 (GB) 1.90E+11 0.270 7.30E+03 8.60E+10 3.00E+08 0.00E+00 1.20E-05 5.10E+02 47.00 可锻铸铁 KTH350-10 (GB) 1.90E+11 0.270 7.30E+03 8.60E+10 3.50E+08 2.00E+08 1.20E-05 5.10E+02 47.00 可锻铸铁 KTZ45...
动力学转换
动力学转换1. 谐响应分析(正弦分析)中振幅与加速度的转换1.1 公式:$$a=(2\pi f)^{2}*H/1000$$ 式中:a为加速度$(m/s^2)$,f为频率$(Hz)$,H为振幅$(mm)$ 1.2 计算1.2.1 例: 频率范围 5~15(Hz) 15~100(Hz) 100~200(Hz) 振幅 16.5mm 15g 8g 方向 X、Y、Z三轴向 扫描速率 2 oct/min |序号|产品型号|频率|振幅|重力加速度|振幅(m/s2)|振幅(g)| | ----| --------| ----| ----| ----------| -------------| ------------------------| |1||5|16.5|9.81| 16.26834| 1.6583425076452598| 2. 响应谱分析(冲击分析)中冲击功率谱加速度的转换2.1 公式:$$m(db/oct)=20*lg(y_{2}/y_{1})/log_{2}(x_{...

