Rockwell Collins, Inc.

Mathew S Chackalackal

Kevin Michael Kronfeld

Karen L Walling

Maurice W Peterson

Richard A Groshong

Mary Beth Lapis

A method of displaying real-time, three-dimensional weather information is disclosed. A first representation of a weather event along a first plane is generated from data obtained from a first radar scan. A second representation of the weather event along a second plane is generated from data obtained from a second radar scan. The first and second planes are non-coplanar. The first and second representations are combined to form a three-dimensional model of the weather event. A three-dimensional shape of the three-dimensional model is constructed. The three-dimensional shape is displayed on an avionics display.

Method of generating three-dimensional weather information from airborne weather radar imagery

Targets proximate to a travel route plan were evaluated to determine hazardousness. Projected geometric representation of a vehicle determines intrusion of hazardous targets along travel route plan. Geometric representation of hazardous targets projected along motion vector to determine intrusion upon travel route plan. Intrusion assessment presented on user display.

Method and apparatus for identification of hazards along an intended travel route

A squelch circuit for a radio receiver that detects the presence of speech by utilizing a filter bank for filtering an intermediate frequency or baseband signal from the radio receiver into band-pass signals, detecting the magnitude of the band-pass signals, and separating the signal magnitudes into a speech and noise detector. The speech detector determines if speech is present by determining if syllabic variations are present in the speech detector signals and selects a voice band average signal with a maximum difference in syllabic variations, and generates a speech detector decision when speech is present. The noise detector makes a noise detector decision when speech is present by obtaining a minimum noise detector signal and comparing the minimum noise detector signal to a threshold scaled voice band average signal associated with the maximum difference in syllabic variations. A final decision is made when the speech detector decision and the noise detector decision both indicate speech and the audio output is enabled and held on for a predetermined hold time.

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Davenport, IA, United States of America

Mathew S Chackalackal