GB2521090B - Multi-function adaptive processor - Google Patents
Multi-function adaptive processorInfo
- Publication number
- GB2521090B GB2521090B GB8605288.3A GB8605288A GB2521090B GB 2521090 B GB2521090 B GB 2521090B GB 8605288 A GB8605288 A GB 8605288A GB 2521090 B GB2521090 B GB 2521090B
- Authority
- GB
- United Kingdom
- Prior art keywords
- adaptive processor
- function adaptive
- function
- processor
- adaptive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000003044 adaptive effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/001—Digital control of analog signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
- H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
- H03M1/183—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter
- H03M1/185—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter the determination of the range being based on more than one digital output value, e.g. on a running average, a power estimation or the rate of change
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8605288.3A GB2521090B (en) | 1986-03-04 | 1986-03-04 | Multi-function adaptive processor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8605288.3A GB2521090B (en) | 1986-03-04 | 1986-03-04 | Multi-function adaptive processor |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8605288D0 GB8605288D0 (en) | 2014-12-24 |
GB2521090A GB2521090A (en) | 2015-06-17 |
GB2521090B true GB2521090B (en) | 2016-03-30 |
Family
ID=52118062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8605288.3A Expired - Lifetime GB2521090B (en) | 1986-03-04 | 1986-03-04 | Multi-function adaptive processor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2521090B (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4079381A (en) * | 1976-11-22 | 1978-03-14 | Motorola, Inc. | Null steering apparatus for a multiple antenna array on an AM receiver |
US4161733A (en) * | 1977-09-19 | 1979-07-17 | Motorola, Inc. | Null steering apparatus including weight oscillation eliminating means |
-
1986
- 1986-03-04 GB GB8605288.3A patent/GB2521090B/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4079381A (en) * | 1976-11-22 | 1978-03-14 | Motorola, Inc. | Null steering apparatus for a multiple antenna array on an AM receiver |
US4161733A (en) * | 1977-09-19 | 1979-07-17 | Motorola, Inc. | Null steering apparatus including weight oscillation eliminating means |
Non-Patent Citations (1)
Title |
---|
IEE Proceedings Volume 130 Parts F and H, No1 February 1983; See the last column on page 60 and the first half-column on page 61 * |
Also Published As
Publication number | Publication date |
---|---|
GB2521090A (en) | 2015-06-17 |
GB8605288D0 (en) | 2014-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20060303 |