By H. Kikuchi (auth.), Hiroshi Kikuchi (eds.)

This publication is predicated at the up to date models of a full of life mix of tutorials, topical papers, and clinical and technological contributions gathered from the foreign URSI Symposium on Environmental and house Electromagnetics held in Tokyo on 4-6 September, 1989. It was once backed by means of the foreign Union of Radio technological know-how (URSI) as an task of fee E (Chairman: current editor) previous the URSI basic meeting in Prague, Czechoslovakia in 1990. the purpose was once an alternate of knowledge and perspectives to spotlight the cutting-edge in radio technology and interdisciplinary parts. alongside this line, the editor has tried to hide really new, novel or unconventional topics along with extra conventional or traditional ones. even if an exceptional many topics have it seems that been lined, this booklet has been edited so the reader can locate a few universal thoughts or perspectives provided. in this foundation, a bunch of many matters may be handled in a unified type, and new rules and perspectives could be received as a Most worthy addition to present wisdom. this can be one of many significant gains of this quantity that can't be present in any of the monographs or complaints that disguise a slender diversity oflimited issues. Its large scope doesn't stand for presentation in a superficial and shallow demeanour, yet stands for a powerful specialise in the quest for a standard nature in easy recommendations or perspectives in it appears different topics, and a spotlight at the complicated or innovatory nature of every contribution.

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If they are propagating still with a significant amplitude, whether they could affect living systems and biologically essential processes there? Concerning Question I, there may physi- cally occur, under certain conditions, the so-called self-induced transparency (SIT) phenomena for intensive and short pulses in a dielectric medium even with dissipation at a frequency Mathematically, this dissipative is close to the resonant described terms which are solved by frequency of the medium. the Maxwell-Bloch equations with new exactly by means of the inverse scattering 23 transform (1ST) method.

2. 2 4 Frequency (MHz) (b) Frequency (MHz) (a) 8 10 ~L, o 2 , 4 6 8 10 Frequency (MHz) (d) Typical examples of wave spectrum dUring beam injection (upper panel), together with background spectrum(lower panel). They are from the low gain channel. below each panel for comparison. Shaded spectra are resulted from the beam injection. The papameters varied in the experiment were the beam current (1-31mA), pitch angle (12, 33, 57, 28 deg 5ees), altitude (120-262km; background plasma density 5x10 -1x10 Icc), and the distance between the two payloads (O-426m).

In the TSS, a satellite is deployed from the Shuttle on the end of a long cable, which is the tether (Fig. 1). The two linked spacecraft are kept apart, and the tether kept taut, by the gradient of the Earth's gravitational field. The system is stable when either of the two spacecraft is directly above the other, with the cable vertical; thus the satellite can be either above or below the Shuttle. On the first mission (TSS-1), concerned with electrodynamics, the satellite will be deployed upwards on a 20 km tether in the form of a thin multi-strand copper cable with teflon and kevlar insulation.

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