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Titolo:
Coded pulse signal subsurface radar
Autore:
Tomizawa, Y; Arai, I;
Indirizzi:
Gunma Natl Coll Technol, Dept Elect Engn, Maebashi, Gumma 3718530, Japan Gunma Natl Coll Technol Maebashi Gumma Japan 3718530 Gumma 3718530, Japan Univ Electrocommun, Dept Elect Engn, Tokyo 1828585, Japan Univ Electrocommun Tokyo Japan 1828585 Elect Engn, Tokyo 1828585, Japan
Titolo Testata:
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS
fascicolo: 2, volume: 85, anno: 2002,
pagine: 8 - 16
SICI:
8756-6621(2002)85:2<8:CPSSR>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Keywords:
subsurface radar; delay correlation; monocycle pulse; M-sequence code; pulse compression;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Tomizawa, Y Gunma Natl Coll Technol, Dept Elect Engn, Maebashi, Gumma 3718530, Japan Gunma Natl Coll Technol Maebashi Gumma Japan 3718530 0, Japan
Citazione:
Y. Tomizawa e I. Arai, "Coded pulse signal subsurface radar", ELEC C JP 1, 85(2), 2002, pp. 8-16

Abstract

Subsurface radar to detect buried objects from the ground surface by usingelectromagnetic waves has been used widely for detection of buried pipes since a shallow subsurface zone of up to 2 to 3 m can be visualized with high resolution at high speed. On the other hand, deeper subsurface detection is required in searching for archaeological ruins. In this paper, a delay correlation-type subsurface radar using monocycle pulse signals modulated byM-sequence codes is proposed with a view to expanding the search range by increasing the average energy of the transmitted signals. With a test setup, a steel pipe buried 2.5 m below the ground surface was detected with a transmitting power of 1 mW. In regard to the maximum detectable range of the subsurface radar using this type of coded signals, this paper carries out astudy from the point of view of both the time side-lobe and SIN. (C) 2001 Scripta Technica.

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Documento generato il 03/04/20 alle ore 03:56:09