北京理工大学电磁场辐射.ppt
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EM Radiating EM Radiating EM field excited by Source J EM Radiating EM Radiating Near field EM Radiating EM Radiating EM Radiating EM Radiating yzxlPOEM Radiating zxyzOEM Radiating Near field EM Radiating Quasi-static field Static electric dipole Steady Electric currentEM Radiating azyyxEM Radiating Far field EM Radiating example f=10 MHz,I=25A,l=50cm alone z axis,find (1)E and H at x=10 km;(2)Sav at r=10 km (3)Rr(1)far field(2)(3)
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- 北京理工大学 电磁场 辐射
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