CA1045702A - Automatically centered pulsed radar - Google Patents
Automatically centered pulsed radarInfo
- Publication number
- CA1045702A CA1045702A CA232,204A CA232204A CA1045702A CA 1045702 A CA1045702 A CA 1045702A CA 232204 A CA232204 A CA 232204A CA 1045702 A CA1045702 A CA 1045702A
- Authority
- CA
- Canada
- Prior art keywords
- frequency
- receiver
- local oscillator
- coupled
- signal
- 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
Links
- 230000001427 coherent effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 18
- 239000000523 sample Substances 0.000 description 14
- 239000000872 buffer Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- 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
- G01S7/292—Extracting wanted echo-signals
- G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/495,163 US3953849A (en) | 1974-08-06 | 1974-08-06 | Automatically centered pulsed radar receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1045702A true CA1045702A (en) | 1979-01-02 |
Family
ID=23967518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA232,204A Expired CA1045702A (en) | 1974-08-06 | 1975-07-25 | Automatically centered pulsed radar |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3953849A (enExample) |
| CA (1) | CA1045702A (enExample) |
| DE (1) | DE2534942A1 (enExample) |
| FR (1) | FR2281577A1 (enExample) |
| GB (1) | GB1518328A (enExample) |
| IT (1) | IT1044409B (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4724437A (en) * | 1976-04-02 | 1988-02-09 | The Marconi Company Limited | Signal acquisition circuit with variable bandwidth phase locked loop |
| US4064511A (en) * | 1976-09-24 | 1977-12-20 | Raytheon Company | Clutter subtraction system |
| US6630902B1 (en) * | 1977-07-28 | 2003-10-07 | Raytheon Company | Shipboard point defense system and elements therefor |
| US6116536A (en) * | 1978-02-16 | 2000-09-12 | Raytheon Company | Frequency adjusting arrangement |
| US7696460B1 (en) * | 1978-02-16 | 2010-04-13 | Raytheon Company | Frequency adjusting arrangement |
| US4428052A (en) | 1981-06-09 | 1984-01-24 | Texas Instruments Incorporated | Navigational aid autopilot |
| US6266522B1 (en) * | 1998-02-04 | 2001-07-24 | Ericsson Inc. | Apparatus and methods for tuning bandpass filters |
| DE102005021358A1 (de) * | 2005-05-04 | 2006-11-09 | Endress + Hauser Gmbh + Co. Kg | Laufzeitmessverfahren zur Ermittelung der Distanz |
| JP5279990B2 (ja) * | 2006-06-13 | 2013-09-04 | 古野電気株式会社 | レーダ装置 |
| DE102009029052A1 (de) * | 2009-09-01 | 2011-03-03 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Bereitstellen eines Reflexionssignals |
| US9336901B2 (en) * | 2014-03-17 | 2016-05-10 | Lam Research Corporation | Track and hold feedback control of pulsed RF |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3707718A (en) * | 1969-02-18 | 1972-12-26 | Westinghouse Electric Corp | Radar system |
-
1974
- 1974-08-06 US US05/495,163 patent/US3953849A/en not_active Expired - Lifetime
-
1975
- 1975-07-25 CA CA232,204A patent/CA1045702A/en not_active Expired
- 1975-08-04 FR FR7524273A patent/FR2281577A1/fr active Granted
- 1975-08-04 IT IT50811/75A patent/IT1044409B/it active
- 1975-08-05 GB GB32666/75A patent/GB1518328A/en not_active Expired
- 1975-08-05 DE DE19752534942 patent/DE2534942A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2281577B1 (enExample) | 1982-12-10 |
| FR2281577A1 (fr) | 1976-03-05 |
| IT1044409B (it) | 1980-03-20 |
| DE2534942A1 (de) | 1976-02-26 |
| GB1518328A (en) | 1978-07-19 |
| US3953849A (en) | 1976-04-27 |
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