DE2126917A1 - Kohärenzpuls-Dopplerhöhenmesser - Google Patents
Kohärenzpuls-DopplerhöhenmesserInfo
- Publication number
- DE2126917A1 DE2126917A1 DE19712126917 DE2126917A DE2126917A1 DE 2126917 A1 DE2126917 A1 DE 2126917A1 DE 19712126917 DE19712126917 DE 19712126917 DE 2126917 A DE2126917 A DE 2126917A DE 2126917 A1 DE2126917 A1 DE 2126917A1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- oscillator
- coupled
- receiver
- pulses
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 230000035945 sensitivity Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241001124156 Mecoptera Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01S13/66—Radar-tracking systems; Analogous systems
- G01S13/70—Radar-tracking systems; Analogous systems for range tracking only
-
- 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
-
- 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/18—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
-
- 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
- G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11229571A | 1971-02-03 | 1971-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2126917A1 true DE2126917A1 (de) | 1972-08-24 |
Family
ID=22343132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712126917 Pending DE2126917A1 (de) | 1971-02-03 | 1971-05-29 | Kohärenzpuls-Dopplerhöhenmesser |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3739379A (https=) |
| DE (1) | DE2126917A1 (https=) |
| FR (1) | FR2124208B1 (https=) |
| GB (1) | GB1330917A (https=) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4320397A (en) * | 1979-06-29 | 1982-03-16 | Nasa | Echo tracker/range finder for radars and sonars |
| US5047779A (en) * | 1990-08-28 | 1991-09-10 | Honeywell Inc. | Aircraft radar altimeter with multiple target tracking capability |
| US5047778A (en) * | 1990-10-11 | 1991-09-10 | The Boeing Company | FMCW radar range tracker and method |
| US5150125A (en) * | 1990-12-24 | 1992-09-22 | Honeywell Inc. | High Doppler rate, high altitude capability coherent pulse Doppler radar altimeter |
| US5427380A (en) * | 1994-10-19 | 1995-06-27 | Interactive Innovations, Inc. | Hand-held multi-function wireless target control system |
| US6426717B1 (en) | 2001-05-11 | 2002-07-30 | Rockwell Collins, Inc. | Single antenna FM radio altimeter operating in a continuous wave mode and an interrupted continuous wave mode |
| US6639543B2 (en) * | 2002-01-09 | 2003-10-28 | Tyco Electronics Corp. | Sensor front-end for vehicle closing velocity sensor |
| DE10314557A1 (de) * | 2003-03-31 | 2004-10-28 | Siemens Ag | Kompakter Mikrowellen-Anstandsensor mit geringer Leistungsaufnahme durch Leistungsmessung an einem stimulierten Empfangsoszillator |
| DE102005057094B4 (de) * | 2005-11-30 | 2013-02-14 | Vega Grieshaber Kg | Füllstandradar mit variabler Sendeleistung |
| US7463187B2 (en) * | 2006-09-27 | 2008-12-09 | Honeywell International Inc. | Method and system of improving altimeter accuracy by use of a separate peak return signal tracking |
| US7800528B2 (en) * | 2007-07-31 | 2010-09-21 | Rosemount Tank Radar Ab | Radar level gauge with variable pulse parameters |
| EP2051098A1 (en) * | 2007-10-19 | 2009-04-22 | Ford Global Technologies, LLC | A method and system for presence detection |
| RU2412450C2 (ru) * | 2008-03-11 | 2011-02-20 | ОАО "Уральское проектно-конструкторское бюро "Деталь" | Способ снижения нижней границы измерения малых высот до нуля и устройство когерентного импульсно-доплеровского радиовысотомера, реализующего способ |
| US8264377B2 (en) | 2009-03-02 | 2012-09-11 | Griffith Gregory M | Aircraft collision avoidance system |
| US8259002B2 (en) | 2010-12-10 | 2012-09-04 | Honeywell International Inc. | Radar altimeter antenna performance monitoring via reflected power measurements |
| US8264401B1 (en) * | 2011-12-29 | 2012-09-11 | Sensys Networks, Inc. | Micro-radar, micro-radar sensor nodes, networks and systems |
| US9939524B2 (en) * | 2015-02-04 | 2018-04-10 | Honeywell International Inc. | Systems and methods for measuring velocity with a radar altimeter |
| US10006991B2 (en) | 2015-02-11 | 2018-06-26 | Honeywell International Inc. | Velocity and attitude estimation using an interferometric radar altimeter |
| US10641885B2 (en) | 2017-07-21 | 2020-05-05 | Honeywell International Inc. | Systems and methods for measuring velocity and acceleration with a radar altimeter |
| US11682313B2 (en) | 2021-03-17 | 2023-06-20 | Gregory M. Griffith | Sensor assembly for use in association with aircraft collision avoidance system and method of using the same |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2542983A (en) * | 1941-12-19 | 1951-02-27 | Int Standard Electric Corp | Arrangement for determining distances by reflection of electrical pulses |
| US2946050A (en) * | 1946-01-30 | 1960-07-19 | Sperry Rand Corp | Pulse radar object detection system |
| US2891942A (en) * | 1955-07-13 | 1959-06-23 | Saul & Co | Water-insoluble monoazo dyestuffs |
| US2869119A (en) * | 1955-09-27 | 1959-01-13 | Gen Precision Lab Inc | Pulse radar transmitter-receiver |
| US3147476A (en) * | 1959-05-28 | 1964-09-01 | Dynamics Corp America | Long range radar ranging system |
| US3344421A (en) * | 1966-02-25 | 1967-09-26 | Jr Clell A Dildy | Digitally controlled automatic range gate |
| US3469261A (en) * | 1967-11-28 | 1969-09-23 | Bendix Corp | Pulse-radar distance-measuring system |
| US3631487A (en) * | 1970-03-09 | 1971-12-28 | Collins Radio Co | Complementary search system for d.m.e. |
-
1971
- 1971-02-03 US US00112295A patent/US3739379A/en not_active Expired - Lifetime
- 1971-05-25 GB GB1689871A patent/GB1330917A/en not_active Expired
- 1971-05-29 DE DE19712126917 patent/DE2126917A1/de active Pending
- 1971-06-01 FR FR7119745A patent/FR2124208B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3739379A (en) | 1973-06-12 |
| FR2124208A1 (https=) | 1972-09-22 |
| FR2124208B1 (https=) | 1976-12-03 |
| GB1330917A (en) | 1973-09-19 |
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