DE69901647T2 - Funkempfangsvorrichtung mit verbesserter Antennenauflösung - Google Patents
Funkempfangsvorrichtung mit verbesserter AntennenauflösungInfo
- Publication number
- DE69901647T2 DE69901647T2 DE69901647T DE69901647T DE69901647T2 DE 69901647 T2 DE69901647 T2 DE 69901647T2 DE 69901647 T DE69901647 T DE 69901647T DE 69901647 T DE69901647 T DE 69901647T DE 69901647 T2 DE69901647 T2 DE 69901647T2
- Authority
- DE
- Germany
- Prior art keywords
- receiving device
- radio receiving
- improved antenna
- antenna resolution
- resolution
- 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
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/288—Coherent receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/288—Coherent receivers
- G01S7/2883—Coherent receivers using FFT processing
-
- 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
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10092206A JPH11274837A (ja) | 1998-03-23 | 1998-03-23 | アンテナ分解能を向上させた電波受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69901647D1 DE69901647D1 (de) | 2002-07-11 |
DE69901647T2 true DE69901647T2 (de) | 2002-09-19 |
Family
ID=14047982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69901647T Expired - Lifetime DE69901647T2 (de) | 1998-03-23 | 1999-03-18 | Funkempfangsvorrichtung mit verbesserter Antennenauflösung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6163293A (de) |
EP (1) | EP0945915B1 (de) |
JP (1) | JPH11274837A (de) |
DE (1) | DE69901647T2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6563451B1 (en) * | 2002-01-16 | 2003-05-13 | Raytheon Company | Radar imaging system and method |
US8184043B2 (en) * | 2010-03-12 | 2012-05-22 | The Boeing Company | Super-resolution imaging radar |
US8184044B1 (en) * | 2010-03-12 | 2012-05-22 | The Boeing Company | Super resolution radar image extraction procedure |
CN103885037B (zh) * | 2014-04-11 | 2016-04-06 | 中国人民解放军国防科学技术大学 | 基于空时编码的mimo-sar信号发射及接收方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4617570A (en) * | 1983-08-26 | 1986-10-14 | Gutleber Frank S | Interference cancelling receiver having high angular resolution intercept of transmitted radiators |
US5608404A (en) * | 1993-06-23 | 1997-03-04 | The United States Of America As Represented By The United States Department Of Energy | Imaging synthetic aperture radar |
US5552792A (en) * | 1994-09-19 | 1996-09-03 | E-Systems, Inc. | Non-coherent radar system having improved resolution capabilities |
US5943006A (en) * | 1996-10-25 | 1999-08-24 | Patrick E. Crane | RF image reconstruction and super resolution using fourier transform techniques |
-
1998
- 1998-03-23 JP JP10092206A patent/JPH11274837A/ja active Pending
-
1999
- 1999-03-18 DE DE69901647T patent/DE69901647T2/de not_active Expired - Lifetime
- 1999-03-18 EP EP99302116A patent/EP0945915B1/de not_active Expired - Lifetime
- 1999-03-19 US US09/272,617 patent/US6163293A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0945915A3 (de) | 2000-02-02 |
US6163293A (en) | 2000-12-19 |
EP0945915A2 (de) | 1999-09-29 |
EP0945915B1 (de) | 2002-06-05 |
DE69901647D1 (de) | 2002-07-11 |
JPH11274837A (ja) | 1999-10-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN, TSUKUB |