INTERFERENCE-PROOF RECEPTION OF RADIO SIGNALS USING FREQUENCY HOPPING TECHNIQUES
Assignee
Filed
May 4, 1967
Granted
Jun 19, 1990
Location
MONMOUTH NJ US
Abstract
Two interference-proof techniques are shown for detecting binary radio sils transmitted by frequency hopping techniques. In the first, the decision as to which type of binary signal is being received is made by first comparing the energy on each mark and space channel with the energy contents of the same channels during a preceding baud which is blank except for jamming and interference, thus obtaining mark and space energy differences. The larger of these differences determines the type of signal received. In the other technique, the energy contents of both mark and space channels are compared with the energies received simultaneously on a nearby blank channel.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
May 13, 1982
Rescinded
Feb 15, 1990
Duration
7 years, 9 months
Inventor
- 1ADOLF REINDL
Record Details
- Patent number
- US 4935940
- Application
- 04643295
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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