A METHOD FOR USING A FREQUENCY MODULATED INTERRUPTED CONTINUOUS WAVE (FMICW) RADAR SIGNAL FOR GEOPHYSICAL REMOTE SENSING

A METHOD FOR USING A FREQUENCY MODULATED INTERRUPTED CONTINUOUS WAVE (FMICW) RADAR SIGNAL FOR GEOPHYSICAL REMOTE SENSING

The present invention relates to a method for using a Frequency Modulated Interrupted Continuous Wave (FMICW) radar signal. The method comprises following steps: generating a signal with a frequency changing over a set bandwidth (B), gating the signal on and off with a predetermined frequency (fg) t...

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Hauptverfasser: AKI LILJA, HENRY ANDERSSON
Format: Patent
Sprache:eng
Schlagworte:
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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creator AKI LILJA
HENRY ANDERSSON
description The present invention relates to a method for using a Frequency Modulated Interrupted Continuous Wave (FMICW) radar signal. The method comprises following steps: generating a signal with a frequency changing over a set bandwidth (B), gating the signal on and off with a predetermined frequency (fg) thereby forming on-timeslots and off-timeslots, sending the gated signal to a desired target with help of a transmitter and an antenna, receiving a reflected signal during the off-timeslots of the gated signal, and detecting and gathering desired properties from the received signal during the off-timeslots of the gated signal. In accordance with the invention the gating frequency (fg) is changed in order to maximize the average signal power at the desired distance from the antenna.
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subjects ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
title A METHOD FOR USING A FREQUENCY MODULATED INTERRUPTED CONTINUOUS WAVE (FMICW) RADAR SIGNAL FOR GEOPHYSICAL REMOTE SENSING
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