Dual transmitter visual display system

Details Dual transmitter visual display system Dual transmitter visual display system

1997-10-23

1999-05-18

Lobo, Ian J.

Communications: directive radio wave systems and devices (e.g.,

Transmission through media other than air or free space

342142, 367 87, 367107, G01S13/18

Patent

active

059054557

ABSTRACT:
A cost-effective wideband radar system capable of locating objects, such as reinforcing steel rods, pipes, and air bubbles, objects located behind or within a volume of, e.g., concrete, soil, wood, or air. A sequence of wideband radar pulses are emitted without a carrier from each of two transmit antennas. The system includes a receiver that detects reflected pulse energy (echoes) that result when transmitted pulses encounter a change in material (e.g., an air to metal change or concrete to metal change). These amplitudes of the echoes are visually displayed along with the length of the transmit/echo path for each transmitter. The lengths of the displayed transmit/echo paths are compared to determine whether the system is centered over an object located within or behind a volume, the system being centered over the object when the transmit/echo paths for each transmitter/receiver combination are of equal length.

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