21–40 von 201 Ergebnissen
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    Developing status of millimeter wave tubes in China

    Fu-Jiang Liao, / Zue-Zeng Zhang, / He-Zhong Guo, et al. | IEEE | 1989
    This paper describes the developing status of millimeter wave tubes in China. These tubes include magnetrons, klystrons, traveling wave ...

    Far-infrared response of Schottky diodes: high-frequency limit

    Mordovets, N.A. / Kotel'nikov, I.N. / Shul'man, A.Ya. | IEEE | 1989
    The rolloff of the Schottky-diode responsivity in the far infrared have been theoretically and experimentally studied. The measured data ...

    Modern k/sub a/-band/millimeter wave radar systems

    Johnston, S.L. | IEEE | 1989
    Radars operating at frequencies of 35 GHz (K/sub a/-band) to 300 GHz have been used for a wide va riety of applications, both civilian and ...

    Plasma diagnostics in infrared and far-infrared range for Heliotron E

    Sudo, S. / Zushi, H. / Kondo, K. et al. | IEEE | 1989
    Diagnostics in infrared and far-infrared range for Heliotron E are described; (a) FIR interferometer for measuring electron density profile ...

    A general-purpose software for full-wave analysis of microwave and millimeter wave planar transmission lines

    Zhao-Qing Chen, / Bao-Xin Gao, | IEEE | 1989
    A general-purpose software for full-wave analysis of microwave and millimeter wave planar transmission lines has been developed using the ...

    A study of DRO in a four millimeter wave band

    Wen-lu Zou, | IEEE | 1989
    The Diffraction Radiation Oscillator (DRO) is a new millimeter wave device. A review of the structure, operating mechanism, open cavity is ...

    Multiple scattering of millimeter wave band pulse by a rain

    Zagorin, G.K. / Polyanskaya, I.P. | IEEE | 1989

    Millimeter-wave generation and characterization of a GaAs FET by optical mixing

    Chew, D.A.W. / Fetterman, H.B. | IEEE | 1989
    GaAs FETs attached to printed circuit millimeter-wave antennas. The generated signal was further down-converted by an antenna-coupled LO, and ...

    Response of YbaCuO thin filiis to millimeter-wave electromagnetic radiation

    Afanasyev, A.S. / Divin, Yu.Ya. / Gubankov, V.N. et al. | IEEE | 1989

    EPR study of TEA(TCNQ)/sub 2/ in the far infrared

    Janssen, P. / Leuven, K.U. | IEEE | 1989

    A scanning mirror short millimeter wave field pattern automatic measuring system

    Du Zhengmi, / Chan Shener, / Lin Zhichang, | IEEE | 1989

    Leaky-wave antenna for millimeter waves with conductor-dielectric periodic modulation

    Tian-Lin Dong, | IEEE | 1989
    A now method is developed for accurate design of leaky-wave antenna with conductor-dielectric periodic modulation. The non-zero thickness ...

    The millimeter wave gunn oscillator and self-oscillating mixer using the nonradiative dielectric waveguide

    Sheng-Min Liu, / Lian-Chang Liao, | IEEE | 1989
    A new and promising millimeter wave active device is presented in this paper. n kc- nonradlative dielectric waveguide (NRD-guide) Gunn ...

    A study of the characteristics of a novel millimeter-wave microslab waveguide

    Guo-sheng Fu, / Cheng-en Liao, | IEEE | 1989
    Microslab, a novel low-loss semiplanar waveguide, is studied to provide design charts for the propagation constant and characteristic ...

    The closed-form formulas of fin-line discontinuities at millimeter wave band

    Rong-Rong Wu, / Ao-Sheng Rong, / Si-Fan Li, | IEEE | 1989
    derived by the least-square curve fitting method. When the frequency range is 30.0and 0.5 /spl les/S /spl les/2.0(mm), 0.7 /spl les ...

    Model simulation of target characteristics emloying millimeter B/sub TER/ wave systems

    Bao-Hui Chen, | IEEE | 1989
    It is reported in the following article the succesful use of millimeter wave systems in the model simulation measurement to determine the ...

    Design for the quasi-optical source-array in 3 millimeter wave band

    Qiao-min Wang, / Cheng-tian Xua, | IEEE | 1989
    A structure of the quasi-optical source-array in 3 millimeter band is determined in this paper. The theory and the methods of the design ...

    Negative cyclotron mass Maser - a new type of smuconductor generator for millimeter and submillimeter wave range

    Gav'rilenko, V.I. / Kraeil'nik, Z.F. | IEEE | 1989
    . Physical principles of generation and its possible applications are discussed. ...