JPH0213275B2 - - Google Patents
Info
- Publication number
- JPH0213275B2 JPH0213275B2 JP55156789A JP15678980A JPH0213275B2 JP H0213275 B2 JPH0213275 B2 JP H0213275B2 JP 55156789 A JP55156789 A JP 55156789A JP 15678980 A JP15678980 A JP 15678980A JP H0213275 B2 JPH0213275 B2 JP H0213275B2
- Authority
- JP
- Japan
- Prior art keywords
- sea
- sector
- frequency spectrum
- different
- echoes
- 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
- 238000001228 spectrum Methods 0.000 claims description 53
- 238000002592 echocardiography Methods 0.000 claims description 30
- 238000005259 measurement Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 16
- 238000012937 correction Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 6
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000004044 response Effects 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
- G01S13/951—Radar or analogous systems specially adapted for specific applications for meteorological use ground based
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Geophysics And Detection Of Objects (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7927629A FR2469717A1 (fr) | 1979-11-07 | 1979-11-07 | Methode pour la teledetection de l'etat de la mer et dispositif pour sa mise en oeuvre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5693007A JPS5693007A (en) | 1981-07-28 |
| JPH0213275B2 true JPH0213275B2 (fr) | 1990-04-03 |
Family
ID=9231466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15678980A Granted JPS5693007A (en) | 1979-11-07 | 1980-11-07 | Method and device for detecting sea conditions from remote location |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5693007A (fr) |
| CA (1) | CA1157131A (fr) |
| FR (1) | FR2469717A1 (fr) |
| GB (1) | GB2063003B (fr) |
| IT (1) | IT1133755B (fr) |
| NL (1) | NL8006069A (fr) |
| NO (1) | NO149365C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009025161A (ja) * | 2007-07-19 | 2009-02-05 | Mitsubishi Electric Corp | レーダ装置 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509048A (en) * | 1982-03-18 | 1985-04-02 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method and apparatus for ΔK synthetic aperture radar measurement of ocean current |
| GB2117595A (en) * | 1982-03-19 | 1983-10-12 | Smiths Industries Plc | Marine radar |
| GB2128833B (en) * | 1982-10-13 | 1986-05-08 | Emi Ltd | Improvements relating to the measurement of directional wave spectra |
| NO164138C (no) * | 1986-01-13 | 1990-08-29 | Dag T Gjessing | System for marin-seismiske undersoekelser. |
| SE465643B (sv) * | 1990-02-22 | 1991-10-07 | Bertil Gateman | Elektrooptiskt sensorsystem foer insamling av marina seismiska data |
| AU656771B2 (en) * | 1991-05-16 | 1995-02-16 | Commonwealth Of Australia, The | Oceanographic and meteorological data |
| GB2320829B (en) * | 1996-12-04 | 1998-10-21 | Lockheed Martin Tactical Sys | Method and system for predicting the motion e.g. of a ship or the like |
| KR100971767B1 (ko) * | 2009-11-13 | 2010-07-21 | 엘아이지넥스원 주식회사 | 자동이득제어장치 및 방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350881A (en) * | 1976-10-20 | 1978-05-09 | Hitachi Ltd | Measuringmethod for wave |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3731306A (en) * | 1972-01-24 | 1973-05-01 | Us Navy | Sea state analyzer using radar sea return |
-
1979
- 1979-11-07 FR FR7927629A patent/FR2469717A1/fr active Granted
-
1980
- 1980-11-05 NO NO803316A patent/NO149365C/no unknown
- 1980-11-06 NL NL8006069A patent/NL8006069A/nl not_active Application Discontinuation
- 1980-11-06 IT IT25819/80A patent/IT1133755B/it active
- 1980-11-07 JP JP15678980A patent/JPS5693007A/ja active Granted
- 1980-11-07 GB GB8035902A patent/GB2063003B/en not_active Expired
- 1980-11-07 CA CA000364294A patent/CA1157131A/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350881A (en) * | 1976-10-20 | 1978-05-09 | Hitachi Ltd | Measuringmethod for wave |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009025161A (ja) * | 2007-07-19 | 2009-02-05 | Mitsubishi Electric Corp | レーダ装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| NO149365B (no) | 1983-12-27 |
| NL8006069A (nl) | 1981-06-01 |
| NO803316L (no) | 1981-05-08 |
| IT8025819A0 (it) | 1980-11-06 |
| CA1157131A (fr) | 1983-11-15 |
| JPS5693007A (en) | 1981-07-28 |
| GB2063003B (en) | 1984-05-31 |
| FR2469717A1 (fr) | 1981-05-22 |
| IT1133755B (it) | 1986-07-09 |
| NO149365C (no) | 1984-04-04 |
| GB2063003A (en) | 1981-05-28 |
| FR2469717B1 (fr) | 1983-11-10 |
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