Method and apparatus for measuring distance [PDF]
, 1988 The invention employs a continuous wave radar technique and apparatus which can be used as a distance measuring system in the presence of background clutter by utilizing small passive transponders.
Kobayashi, Herbert S. +2 more
core +1 more source
An investigation of a varactor-diode modulator Technical report no. 3 [PDF]
Low frequency modulator design using single varactor diode as switching ...
Summer, H. M.
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Progress on single barrier varactors for submillimeter wave power generation [PDF]
Theoretical work on Single Barrier Varactor (SBV) diodes, indicate that the efficiency for a multiplier has a maximum for a considerably smaller capacitance variation than previously thought. The theoretical calculations are performed, both with a simple
Groenqvist, Hans +4 more
core +1 more source
Submillimeter satellite radiometer first semiannual engineering progress report [PDF]
Development of 560 GHz fourth harmonic mixer and 140 GHz third harmonic generator for use in ...
Bauer, R. J. +5 more
core +1 more source
A Compact L-Band Reconfigurable Dual-Mode Patch Filter. [PDF]
Micromachines (Basel)Sheta AF, Alkanhal MAS, Elshafiey I.
europepmc +1 more source
Topology Design of Reconfigurable Intelligent Metasurfaces Based on Equivalent Circuit Model. [PDF]
Micromachines (Basel)Xu J, Zhu C, Pan Y, Zhang H, Wu C, Li H.
europepmc +1 more source
A 3-Bit Low-Profile High-Gain Transmissive Intelligent Surface for Beam Focusing and Steering Applications. [PDF]
Micromachines (Basel)Abdulwali ZSA, Alkanhal MAS.
europepmc +1 more source
A Dual-Layer Frequency Selective Surfaces with Tunable Transmission and Fixed Absorption Bands. [PDF]
Materials (Basel)Zhang Z +5 more
europepmc +1 more source
Multifunctional coil technique for alignment-agnostic and Rx coil size-insensitive efficiency enhancement for wireless power transfer applications. [PDF]
Sci Rep, 2023 Yoon S, Lim T, Lee Y.
europepmc +1 more source
Simulation-Based Design of an Electrically Tunable Beam-Steering Metasurface Driven by a Triboelectric Nanogenerator. [PDF]
Micromachines (Basel)Luo P, Zhang L, Wang S, Zhu Z.
europepmc +1 more source