JFreeChart is a free (LGPL) chart library for the Java(tm) platform. It s-JfreeChart is a free (LGPL) chart library f or the Java (tm) platform. It's

JFreeChart is a comprehensive free chart library for the Java(tm) platform that can be used on the client-side (JavaFX and Swing) or the server side

基于 Maxwell 的基本电磁场理论，根据导行电磁波得到矩形导波系统中 TM 波、TE 波的场分布方程， 并对传 播常数进行讨论，得到矩形波导中传输模式特性． 应用 MATLAB 计算金属矩形波导的传输模， 得到矩形波导中 TE、TM 模场分布． 研究结论对矩形波导设计提供参考．(ased on the basic electromagnetic field theory of Maxwell, the field distribution equation of TM wave and