超宽带电磁学01.ppt

电子科技大学 UWB Electromagnetism and its applications Chengli Ruan University of Electronic Science Technology of China References 1. Chengli Ruan：《 Introduction on Electromagnetic Missiles 》, People Post and Telecommunication Press，1994（National “Eight-Five” high-tech key books）. 2. Chengli Ruan ：《 Ultrawideband Antenna Theory and Techniques 》, Harbin Industrial University Press, 2006, National Defense “Ten-Five” key monogragh. 3.W L Stutzing and G A Thiele, Antenna theory and design, 2nd edition, 4. IEEE Transactions on Antennas and Propagation 5.UESTC，Electronic resources, IEEE Xplore, key words: UWB electromagnetism, electromagnetic missiles, UWB antenna, short pulse. Electromagnetism History 585B.C., Greek philosopher Sallies discovered that electric charge come into being from rube; The Eastern Han Dynasty Wang Chong (27～97A.D.) record that “rube amber，pick up bits” in《Measure theory》. The Period of Warring States (475-221B.C.)《Hanfeizi。Chapter Measure 》recorded that “Late King founded a compass for morning and evening”； S Empedocles (490-435B.C.) first interpreted light； 19th Century，Electrostatics had been represented quantify； Electromagnetism History 1820，Oerste gave the currents effect on magnet needle. 1831, Faraday produced currents by magnetic-iron inserting coil， 1850, Faraday gave the electromagnetic induction law； 1864, Maxwell had sun up Maxwell equitions，prophesied electromagnetic waves, light also are electromagnetic waves； Electromagnetism History 1886-1889, Hertz verified electromagnetic waves /UWB； 1887-1983, Hundred years miracle of Electromagnetic waves (MTT,1986)； 1983-2006, One fourth century of UWB quick developing。 Electromagnetism History 1887, Hertz: the first experiment on transmit/receive electromagnetic waves; 1983, Brittingham: Focus wave modes in homogeneous Maxwell’s equations: Transverse electric mode,（FWM/J. A. P.）， 1985, T T Wu: Electromagnetic missiles (EMM/J. A. P./ H M Shen) 1986-1990, “Seven-Five”, on anti-stealth research