SE330918B - - Google Patents
Info
- Publication number
- SE330918B SE330918B SE657869A SE657869A SE330918B SE 330918 B SE330918 B SE 330918B SE 657869 A SE657869 A SE 657869A SE 657869 A SE657869 A SE 657869A SE 330918 B SE330918 B SE 330918B
- Authority
- SE
- Sweden
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
- 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
- G01S13/526—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 the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
- G01S13/528—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 the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters with elimination of blind speeds
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)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE657869A SE330918B (en) | 1969-05-09 | 1969-05-09 | |
NL7006335A NL174989C (en) | 1969-05-09 | 1970-04-29 | METHOD FOR Suppressing UNWANTED SIGNALS IN A DOPPLER RADAR, OPERATING WITH A PULSE REDUCTION FREQUENCY SHIFT |
DE19702022234 DE2022234B2 (en) | 1969-05-09 | 1970-04-30 | PROCEDURE FOR SUPPRESSING SWITCHABLE PULSE REPEATRATE IN PULSE DOPPLER RADAR UNITS WHEN SWITCHING SIGNALS |
JP3870370A JPS508637B1 (en) | 1969-05-09 | 1970-05-08 | |
FR7016870A FR2042527B1 (en) | 1969-05-09 | 1970-05-08 | |
CH685070A CH507522A (en) | 1969-05-09 | 1970-05-08 | Method for suppressing undesired signals in pulsed Doppler radar devices that operate with a shift in the pulse repetition frequency |
GB2246370A GB1306961A (en) | 1969-05-09 | 1970-05-08 | Circuits and methods for handling radar signals |
NO176070A NO123045B (en) | 1969-05-09 | 1970-05-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE657869A SE330918B (en) | 1969-05-09 | 1969-05-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE330918B true SE330918B (en) | 1970-12-07 |
Family
ID=20269057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE657869A SE330918B (en) | 1969-05-09 | 1969-05-09 |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS508637B1 (en) |
CH (1) | CH507522A (en) |
DE (1) | DE2022234B2 (en) |
FR (1) | FR2042527B1 (en) |
GB (1) | GB1306961A (en) |
NL (1) | NL174989C (en) |
NO (1) | NO123045B (en) |
SE (1) | SE330918B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3110279C2 (en) * | 1981-03-17 | 1984-01-19 | Siemens AG, 1000 Berlin und 8000 München | Pulse Doppler radar device with adjustable pulse repetition rate |
US6049302A (en) * | 1999-05-04 | 2000-04-11 | Boeing North American | Pulsed doppler radar system with small intermediate frequency filters |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3124761A (en) * | 1964-03-10 | Circuit | ||
US3155973A (en) * | 1956-06-13 | 1964-11-03 | Westinghouse Electric Corp | Multiple pulse repetition frequency automatic range tracking pulse doppler radar |
FR1392158A (en) * | 1963-05-16 | 1965-03-12 | Lab For Electronics | Improvements to Doppler-fizeau radar devices |
FR1527999A (en) * | 1967-04-21 | 1968-06-07 | Csf | Improvement in fixed echo elimination devices |
-
1969
- 1969-05-09 SE SE657869A patent/SE330918B/xx unknown
-
1970
- 1970-04-29 NL NL7006335A patent/NL174989C/en not_active IP Right Cessation
- 1970-04-30 DE DE19702022234 patent/DE2022234B2/en active Pending
- 1970-05-08 JP JP3870370A patent/JPS508637B1/ja active Pending
- 1970-05-08 CH CH685070A patent/CH507522A/en not_active IP Right Cessation
- 1970-05-08 GB GB2246370A patent/GB1306961A/en not_active Expired
- 1970-05-08 NO NO176070A patent/NO123045B/no unknown
- 1970-05-08 FR FR7016870A patent/FR2042527B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL174989B (en) | 1984-04-02 |
JPS508637B1 (en) | 1975-04-05 |
NO123045B (en) | 1971-09-20 |
NL7006335A (en) | 1970-11-11 |
GB1306961A (en) | 1973-02-14 |
DE2022234A1 (en) | 1970-11-19 |
NL174989C (en) | 1984-09-03 |
FR2042527A1 (en) | 1971-02-12 |
FR2042527B1 (en) | 1974-07-12 |
CH507522A (en) | 1971-05-15 |
DE2022234B2 (en) | 1972-07-27 |