Search Results - "Levin, B.J."

Design and implementation of a low-noise prime-focus S/X receiver system for radio astronomy by Norrod, R.D., Behrens, G.H., Ghigo, F.D., Levin, B.J.

“…This paper discusses the design, construction, and measured performance of dual-band, dual-polarization, prime focus receiver systems used on three antennas at…”
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A Distributed Pin Diode Phaser for Millimeter Wavelengths by Levin, B.J., Weidner, G.G.

“…A technique particularly applicable at millimeter wavelengths is described for electronically varying the phase shift per unit length in rectangular waveguide…”
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Millimeter Wave Imaging by Feingold, B.R., Levin, B.J.

“…A millimeter wave imaging system using a semiconductor panel as an image dissector has been evaluated at 80 GHz and 140 GHz using both optomechanical and…”
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Millimeter wave image conversion using a semiconductor image convertor by Levin, B.J.

“…Image conversion at millimeter wave frequencies has been demonstrated using reflection coefficient modulation of a bulk germanium panel…”
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Spot illumination of a semiconductor panel by Levin, B.J.

“…The problem of excitation of a semiconductor panel over a limited region of its surface is considered. The two-dimensional diffusion equation is solved for the…”
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The Modified Series Model for an Abrupt-Junction Varactor Frequency Doubler by Levin, B.J.

“…The theoretical performance of an abrupt-junction high-quality epitaxial varactor diode used as a harmonic frequency doubler is considered. The modified series…”
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A V-Band Communication Transmitter and Receiver System Using Dielectric Waveguide Integrated Circuits by Kietzer, J.E., Kaurs, A.R., Levin, B.J.

“…A V-band communication transmitter and receiver is described. Both units make extensive use of passive microwave components fabricated rising millimeter-wave…”
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Contributors by Felden, M., Jakes, W.C., Levin, B.J., Pyle, J.R., Reeder, T.M., Roussy, G.

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Peritoneoscopy in the management of breast cancer by van der Spuy, S., Levin, W., Smit, B.J., Graham, T. & McQuaide, J.R.

“…Peritoneoscopy has been recommended by the Combined Breast Clinic at the Provincial Hospital, Port Elizabeth, since 1975, mainly to confirm or exclude…”
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The role of mastectomy in locally advanced breast cancer by van der Spuy, S., Levin, W. & Smit, B.J.

“…The role of mastectomy in locally advanced breast cancer remains to be established…”
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