Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Patent
1993-05-07
1995-10-10
Strecker, Gerard R.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Distributive type parameters
324 67, 342 22, 342 27, G01S 1304, G01R 2902
Patent
active
054573947
ABSTRACT:
An impulse radar studfinder propagates electromagnetic pulses and detects reflected pulses from a fixed range. Unmodulated pulses, about 200 ps wide, are emitted. A large number of reflected pulses are sampled and averaged. Background reflections are subtracted. Reflections from wall studs or other hidden objects are detected and displayed using light emitting diodes.
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S.V.B; news Ground-piercing radar aims at commercial market, Microwaves Dec. 1973, p. 12.
Ludien, Jerry R. "Terrain Analysis by Electromagnetic Means; Radar Responses to Laboratory Prepared Samples"; U.S. Army Engineer Waterways Experiment Station Corps of Engineers, Technical Report No. 3-693, Report 2, pp. III-IV and 1-23, Sep. 1966.
Sartorio Henry P.
Strecker Gerard R.
The Regents of the University of California
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