1、State Key Laboratory of Millimeter Waves0高高 等等 工工 程程 电电 磁磁 场场 理理 论论习习 题题 课课 State Key Laboratory of Millimeter Waves1【1】证明:洛仑兹条件本身可以看成是电流连续性方程的隐蔽形式,即由洛仑兹条件可以导出电流连续性方程。证:State Key Laboratory of Millimeter Waves2证(续):State Key Laboratory of Millimeter Waves3【2】证明:对于洛仑兹规范,规范函数必满足齐次波动方程。证:State Key Labo
2、ratory of Millimeter Waves4证(续):State Key Laboratory of Millimeter Waves5【3】证明:证:State Key Laboratory of Millimeter Waves6证(续):State Key Laboratory of Millimeter Waves7证(续):State Key Laboratory of Millimeter Waves8【4】证明:证:前面已经证明,在非均匀各向同性煤质中,对于无源区域,有前面已经证明,在非均匀各向同性煤质中,对于无源区域,有证:State Key Laboratory o
3、f Millimeter Waves9证(续):State Key Laboratory of Millimeter Waves10【5】证明:State Key Laboratory of Millimeter Waves11证:(1)State Key Laboratory of Millimeter Waves12证(续):State Key Laboratory of Millimeter Waves13证(续):(2)State Key Laboratory of Millimeter Waves14证(续):State Key Laboratory of Millimeter Waves15【6】证明:Maxwell方程组中各个方程组并不都是对立的,对于时变场,如果将(1)(2)(4)考虑为对立方程,则(3)和(5)为非对立方程。State Key Laboratory of Millimeter Waves16证:对方程(2)两边取散度:再对方程(1)两边取散度: