NL109344C - - Google Patents
Info
- Publication number
- NL109344C NL109344C NL109344DA NL109344C NL 109344 C NL109344 C NL 109344C NL 109344D A NL109344D A NL 109344DA NL 109344 C NL109344 C NL 109344C
- 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
- G01S13/50—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
-
- 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
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1171781T | 1957-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL109344C true NL109344C (enrdf_load_stackoverflow) |
Family
ID=9657770
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL227051D NL227051A (enrdf_load_stackoverflow) | 1957-04-19 | ||
NL109344D NL109344C (enrdf_load_stackoverflow) | 1957-04-19 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL227051D NL227051A (enrdf_load_stackoverflow) | 1957-04-19 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1069223B (enrdf_load_stackoverflow) |
FR (1) | FR1171781A (enrdf_load_stackoverflow) |
GB (1) | GB832135A (enrdf_load_stackoverflow) |
NL (2) | NL109344C (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1190740A (fr) | 1957-12-27 | 1959-10-14 | Csf | Perfectionnements aux systèmes de détection électromagnétique d'objets mobiles |
NL287919A (enrdf_load_stackoverflow) * | 1962-01-23 | |||
DE1068767B (enrdf_load_stackoverflow) * | 1963-01-25 | 1959-11-12 |
-
0
- DE DENDAT1069223D patent/DE1069223B/de active Pending
- NL NL227051D patent/NL227051A/xx unknown
- NL NL109344D patent/NL109344C/xx active
-
1957
- 1957-04-19 FR FR1171781D patent/FR1171781A/fr not_active Expired
-
1958
- 1958-04-14 GB GB11792/58A patent/GB832135A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1069223B (enrdf_load_stackoverflow) | 1959-11-19 |
FR1171781A (fr) | 1959-01-29 |
GB832135A (en) | 1960-04-06 |
NL227051A (enrdf_load_stackoverflow) |