JPS5123440B1 - - Google Patents
Info
- Publication number
- JPS5123440B1 JPS5123440B1 JP47054751A JP5475172A JPS5123440B1 JP S5123440 B1 JPS5123440 B1 JP S5123440B1 JP 47054751 A JP47054751 A JP 47054751A JP 5475172 A JP5475172 A JP 5475172A JP S5123440 B1 JPS5123440 B1 JP S5123440B1
- Authority
- JP
- Japan
- 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
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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
-
- 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
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/348—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using square or rectangular modulation, e.g. diplex radar for ranging over short distances
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14926571A | 1971-06-02 | 1971-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5123440B1 true JPS5123440B1 (ja) | 1976-07-16 |
Family
ID=22529495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47054751A Pending JPS5123440B1 (ja) | 1971-06-02 | 1972-06-01 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3750172A (ja) |
JP (1) | JPS5123440B1 (ja) |
AU (1) | AU460015B2 (ja) |
CA (1) | CA975077A (ja) |
DE (1) | DE2225180C3 (ja) |
FR (1) | FR2139943B1 (ja) |
GB (1) | GB1333369A (ja) |
IT (1) | IT956040B (ja) |
NL (1) | NL144062B (ja) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS534796B2 (ja) * | 1971-12-31 | 1978-02-21 | ||
FR2201476B1 (ja) * | 1972-09-26 | 1977-07-29 | Thomson Csf | |
US3832709A (en) * | 1972-12-26 | 1974-08-27 | Johnson Service Co | Motion detection apparatus having the ability to determine the direction of motion and range of a moving object |
JPS49107491A (ja) * | 1973-02-15 | 1974-10-12 | ||
JPS5243295B2 (ja) * | 1973-06-18 | 1977-10-29 | ||
IL54477A (en) * | 1977-04-27 | 1980-11-30 | Hughes Aircraft Co | Simultaneous transmit and receive radar subsystem |
US4439766A (en) * | 1981-05-22 | 1984-03-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration | Doppler radar having phase modulation of both transmitted and reflected return signals |
SE456867B (sv) * | 1985-12-12 | 1988-11-07 | Stiftelsen Inst Mikrovags | Saett att uppmaeta avstaand och/eller hastighet mellan tvaa foeremaal |
US4740045A (en) * | 1986-07-02 | 1988-04-26 | Goodson & Associates, Inc. | Multiple parameter doppler radar |
US5715044A (en) * | 1987-08-14 | 1998-02-03 | Boeing North American, Inc. | Laser radar |
US5323223A (en) * | 1987-08-14 | 1994-06-21 | Rockwell International Corporation | Radar laser transmitter |
US5189426A (en) * | 1991-05-06 | 1993-02-23 | Ivhs Technologies, Inc. | Doppler frequency spectrum de-emphasis for automotive collision avoidance radar system |
GB2249448B (en) * | 1990-10-30 | 1995-01-25 | Roke Manor Research | Improvements in or relating to radar systems |
US5136298A (en) * | 1991-03-08 | 1992-08-04 | Am Sensor, Inc. | Microwave range detector system |
WO1992019980A2 (en) * | 1991-05-06 | 1992-11-12 | Ivhs Technologies, Inc. | Multi-frequency automotive radar system |
US5406842A (en) * | 1993-10-07 | 1995-04-18 | Motorola, Inc. | Method and apparatus for material level measurement using stepped frequency microwave signals |
DE19538309C2 (de) * | 1995-10-14 | 1998-10-15 | Volkswagen Ag | Radarverfahren zur Messung von Abständen und Relativgeschwindigkeiten zwischen einem Fahrzeug und einem oder mehreren Hindernissen |
SE507996C2 (sv) * | 1996-09-18 | 1998-08-10 | Celsiustech Electronics Ab | Förfarande för att bestämma relativa hastigheten mellan två objekt under rörelse |
US5828333A (en) * | 1997-01-21 | 1998-10-27 | Northrop Grumman Corporation | Multiple access diplex doppler radar |
FR2761480B1 (fr) * | 1997-03-28 | 1999-06-11 | Thomson Csf | Procede et dispositif de levee d'ambiguite en distance appliquee notamment a un radar a onde continue et a saut de frequence |
US5903217A (en) * | 1997-10-21 | 1999-05-11 | Microwave Sensors, Inc. | Micro motion sensor |
US6008752A (en) * | 1998-09-16 | 1999-12-28 | Mph Industries, Inc. | Doppler-based traffic radar system |
US6417796B1 (en) | 1998-09-16 | 2002-07-09 | Mph Industries, Inc. | Doppler-based traffic radar system |
DE60044148D1 (de) * | 2000-01-28 | 2010-05-20 | Hitachi Ltd | Entfernungsmessgerät |
US6501417B1 (en) | 2001-11-13 | 2002-12-31 | Mph Industries, Inc. | Transceiver assembly used in a Doppler-based traffic radar system |
US7057550B1 (en) | 2005-02-16 | 2006-06-06 | Applied Concepts, Inc. | System and method for calibrating a vehicular traffic surveillance Doppler radar |
US7038614B1 (en) * | 2005-02-16 | 2006-05-02 | Applied Concepts, Inc. | Vehicular traffic surveillance Doppler radar system |
US7049999B1 (en) | 2005-02-16 | 2006-05-23 | Applied Concepts, Inc. | Modulation circuit for a vehicular traffic surveillance Doppler radar system |
US8102261B2 (en) * | 2008-07-17 | 2012-01-24 | Honeywell International Inc. | Microwave ranging sensor |
US9057785B1 (en) | 2014-05-29 | 2015-06-16 | Robert W. Lee | Radar operation with increased doppler capability |
US10539672B2 (en) * | 2016-12-09 | 2020-01-21 | GM Global Technology Operations LLC | Doppler ambiguity resolution at high signal to noise ratio |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1785307A (en) * | 1926-09-02 | 1930-12-16 | Jr John Hays Hammond | System and method of communication |
US2435615A (en) * | 1941-09-30 | 1948-02-10 | Board | Object detecting and locating system |
US2524050A (en) * | 1944-03-29 | 1950-10-03 | Sperry Corp | Apparatus and method of measuring a magnitude exceeding the unambiguous measure capacities of two measure-representing signals |
US3383686A (en) * | 1967-01-30 | 1968-05-14 | Navy Usa | Diverse frequency echo detection system with doppler frequency coherence |
US3623096A (en) * | 1967-02-15 | 1971-11-23 | Hughes Aircraft Co | Deflection modulated target discriminator |
US3611370A (en) * | 1968-11-05 | 1971-10-05 | North American Rockwell | Dual-mode radar system |
-
1971
- 1971-06-02 US US00149265A patent/US3750172A/en not_active Expired - Lifetime
-
1972
- 1972-05-05 CA CA141,410A patent/CA975077A/en not_active Expired
- 1972-05-24 DE DE2225180A patent/DE2225180C3/de not_active Expired
- 1972-05-26 FR FR7218810A patent/FR2139943B1/fr not_active Expired
- 1972-05-30 AU AU42882/72A patent/AU460015B2/en not_active Expired
- 1972-05-30 GB GB2529872A patent/GB1333369A/en not_active Expired
- 1972-05-31 IT IT25108/72A patent/IT956040B/it active
- 1972-06-01 JP JP47054751A patent/JPS5123440B1/ja active Pending
- 1972-06-01 NL NL727207490A patent/NL144062B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2139943A1 (ja) | 1973-01-12 |
AU460015B2 (en) | 1975-04-10 |
DE2225180C3 (de) | 1974-02-21 |
NL144062B (nl) | 1974-11-15 |
FR2139943B1 (ja) | 1978-03-03 |
GB1333369A (en) | 1973-10-10 |
DE2225180A1 (de) | 1972-12-14 |
DE2225180B2 (de) | 1973-07-26 |
NL7207409A (ja) | 1972-12-05 |
AU4288272A (en) | 1973-12-06 |
IT956040B (it) | 1973-10-10 |
CA975077A (en) | 1975-09-23 |
US3750172A (en) | 1973-07-31 |