Ethernet connection of airborne radar over fiber optic cable
First Claim
1. A weather radar signal path for an aircraft, comprising:
- an antenna (105), a digital down-converter (120, 121), a first transceiver (126), fiber optic cabling (125), a second transceiver (135) and a processing unit (130), WHEREIN,said antenna is adapted to, in a first mode, receive reflected radar signals from atmosphere ahead,said digital down-converter is coupled to said antenna, said digital down-converter is adapted to convert said reflected radar signals received by said antenna into digital radar signals at a lower frequency,said first transceiver is coupled to said digital down-converter, said first transceiver is adapted to, in said first mode, at least transmit said digital radar signals through said fiber optic cabling,said fiber optic cabling is coupled between said first transceiver and said second transceiver, said fiber optic cabling is adapted to, in said first mode, transfer said digital radar signals between said first and second transceivers,said second transceiver is coupled to said fiber optic cabling, said second transceiver is adapted to, in said first mode, receive said digital radar signals from said fiber optic cabling,said processing unit is coupled to said second transceiver, said processing unit is adapted to, in said first mode, process said digital radar signals to generate weather information based on predetermined algorithm.
1 Assignment
0 Petitions
Accused Products
Abstract
A weather radar signal path for an aircraft. The signal path has an antenna, a digital down-converter, a first transceiver, fiber optic cabling, a second transceiver and a processing unit. The antenna is adapted to, in a first mode, receive reflected radar signals from atmosphere ahead. The digital down-converter is adapted to convert the reflected radar signals received by the antenna into digital radar signals at a lower frequency. The first transceiver is adapted to, in the first mode, at least transmit the digital radar signals through said fiber optic cabling. The fiber optic cabling is adapted to, in the first mode, transfer the digital radar signals between the first and second transceivers. The second transceiver is adapted to, in the first mode, receive said digital radar signals from the fiber optic cabling. The processing unit is adapted to, in the first mode, process the digital radar signals to generate weather information based on predetermined algorithm.
-
Citations
20 Claims
-
1. A weather radar signal path for an aircraft, comprising:
-
an antenna (105), a digital down-converter (120, 121), a first transceiver (126), fiber optic cabling (125), a second transceiver (135) and a processing unit (130), WHEREIN, said antenna is adapted to, in a first mode, receive reflected radar signals from atmosphere ahead, said digital down-converter is coupled to said antenna, said digital down-converter is adapted to convert said reflected radar signals received by said antenna into digital radar signals at a lower frequency, said first transceiver is coupled to said digital down-converter, said first transceiver is adapted to, in said first mode, at least transmit said digital radar signals through said fiber optic cabling, said fiber optic cabling is coupled between said first transceiver and said second transceiver, said fiber optic cabling is adapted to, in said first mode, transfer said digital radar signals between said first and second transceivers, said second transceiver is coupled to said fiber optic cabling, said second transceiver is adapted to, in said first mode, receive said digital radar signals from said fiber optic cabling, said processing unit is coupled to said second transceiver, said processing unit is adapted to, in said first mode, process said digital radar signals to generate weather information based on predetermined algorithm. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A weather radar signal path for communication between an antenna and a processing unit of an aircraft, said signal path comprising:
-
an analog-digital converter (“
ADC”
), a digital down-converter (“
DDC”
), a digital signal processor (“
DSP”
), a first Ethernet unit, a first optical transceiver, fiber optic cabling, a second optical transceiver, and a second Ethernet unit, WHEREIN,said ADC, coupled between said antenna and said DDC, is adapted to convert received radar signals from said antenna into digital signals, said DDC is adapted to convert said digital signals to baseband digital signals, said DSP is adapted to, in a first mode, direct said first Ethernet unit to encode said baseband digital signals for transmission by said first optical transceiver to said fiber optic cabling, said second optical transceiver is adapted to, in said first mode, receive said baseband digital signals from said fiber optic cabling, said second Ethernet unit is adapted to, in said first mode, decode said received baseband digital signals for further processing by said processing unit. - View Dependent Claims (9, 10, 11, 12, 13)
-
-
14. A method of conducting a weather radar signal path for an aircraft, the method comprising:
-
receiving, using an antenna, in a first mode, reflected radar signals from atmosphere ahead; converting, using a digital down-converter, said reflected radar signals received by said antenna into digital radar signals at a lower frequency; transmitting, using a first transceiver, in said first mode, to transmit said digital radar signals through said fiber optic cabling; transferring, through fiber optic cabling, in said first mode, said digital radar signals from said first transceiver; receiving, using a second transceiver, in said first mode, said digital radar signals from said fiber optic cabling; processing, using a processing unit, in said first mode, said digital radar signals to generate weather information based on predetermined algorithm. - View Dependent Claims (15, 16, 17, 18, 19, 20)
-
Specification