NL269403A - - Google Patents
Info
- Publication number
- NL269403A NL269403A NL269403DA NL269403A NL 269403 A NL269403 A NL 269403A NL 269403D A NL269403D A NL 269403DA NL 269403 A NL269403 A NL 269403A
- Authority
- NL
- Netherlands
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
- G01S13/06—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
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/10—Systems for determining distance or velocity not using reflection or reradiation using radio waves using Doppler effect
-
- 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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/4056—Means for monitoring or calibrating by simulation of echoes specially adapted to FMCW
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB32219/60A GB914679A (en) | 1960-09-20 | 1960-09-20 | Improvements in or relating to radio altimeters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL269403A true NL269403A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=10335166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL269403D NL269403A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-09-20 |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3336593A (en) * | 1966-03-21 | 1967-08-15 | Collins Radio Co | Asynchronous time sharing system for multiple fm altimeter |
| DE1960904C1 (de) * | 1969-12-04 | 1988-11-10 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur Unterdrueckung falscher >>Feind<<-Anzeigen in Freund- Feind- Abfragegeraeten |
| US4044355A (en) * | 1973-11-20 | 1977-08-23 | Saab-Scania Aktiebolag | Measurement of contents of tanks etc. with microwave radiations |
| US5081461A (en) * | 1990-04-30 | 1992-01-14 | Raytheon Company | Correlation detector for FM signals |
| US5420589A (en) * | 1993-06-07 | 1995-05-30 | Wells; C. T. | System for evaluating the inner medium characteristics of non-metallic materials |
| JP2008267839A (ja) * | 2007-04-16 | 2008-11-06 | Matsushita Electric Ind Co Ltd | レーダシステム |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB578406A (en) * | 1942-11-24 | 1946-06-27 | Helge Fabian Rost | Improvements in the control of modulated radio waves |
| US2622241A (en) * | 1946-02-25 | 1952-12-16 | Rca Corp | Device for calibrating frequency modulated radar equipment |
| FR1035249A (fr) * | 1951-04-09 | 1953-08-19 | Perfectionnement aux appareils de mesure d'intervalle de temps, particulièrement applicable aux altimètres |
-
0
- NL NL269403D patent/NL269403A/xx unknown
-
1960
- 1960-09-20 GB GB32219/60A patent/GB914679A/en not_active Expired
-
1961
- 1961-09-15 US US138510A patent/US3167767A/en not_active Expired - Lifetime
- 1961-09-19 DE DEJ20551A patent/DE1214280B/de active Pending
- 1961-09-20 BE BE608344A patent/BE608344A/fr unknown
- 1961-09-20 CH CH1090961A patent/CH393452A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH393452A (de) | 1965-06-15 |
| GB914679A (en) | 1963-01-02 |
| US3167767A (en) | 1965-01-26 |
| BE608344A (fr) | 1962-03-20 |
| DE1214280B (de) | 1966-04-14 |