G - Physics – 01 – R
Patent
G - Physics
01
R
324/58.03
G01R 31/11 (2006.01) H03H 21/00 (2006.01)
Patent
CA 1231757
16 ABSTRACT: "An equipment for locating a signal reflection point in a transmission line" In an equipment for locating a reflection point in a transmission line a recording is obtained of the impulse response of the path of the echo produced by a transmission signal based on a reference signal x(n) constituted by binary sequences of duration NT which comprise only one bit of non-zero value. At the reception end, the equipment comprises a memory for storing N coefficients Ci which are read cyclically with a view to being modified by successive iterations, each coefficient being modified once per read cycle by the term ?.Sgn[e(n)] , where Sgn[e(n)] is the sign of the difference between the signal received and the coefficient read at a moment NT and ? is a constant less than 1. The coefficients modified and written into the memory form the values of the desired impulse response.
469403
Clement Henry
Lassaux Jean
Philips Electronics N.v.
Van Steinburg C.e.
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