NL7217575A - - Google Patents
Info
- Publication number
- NL7217575A NL7217575A NL7217575A NL7217575A NL7217575A NL 7217575 A NL7217575 A NL 7217575A NL 7217575 A NL7217575 A NL 7217575A NL 7217575 A NL7217575 A NL 7217575A NL 7217575 A NL7217575 A NL 7217575A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0294—Variable filters; Programmable filters
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/04—Recursive filters
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712164156 DE2164156C3 (de) | 1971-12-23 | 1971-12-23 | Pulsradarempfänger mit dem Bewegtzeichenfilter nachgeschaltetem digitalem Tiefpaß variabler Grenzfrequenz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7217575A true NL7217575A (enExample) | 1973-06-26 |
Family
ID=5829013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7217575A NL7217575A (enExample) | 1971-12-23 | 1972-12-22 |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2164156C3 (enExample) |
| FR (1) | FR2164653B1 (enExample) |
| GB (1) | GB1408016A (enExample) |
| IT (1) | IT971591B (enExample) |
| NL (1) | NL7217575A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2297517A1 (fr) * | 1975-01-10 | 1976-08-06 | Thomson Csf | Dispositif de compression de bande et systeme de detection active comportant un tel dispositif |
| FR2340554A1 (fr) * | 1976-02-03 | 1977-09-02 | Thomson Csf | Dispositif de traitement des signaux d'un radar coherent a l'impulsions et systeme radar comportant un tel dispositif |
| FR2472759A1 (fr) * | 1979-12-28 | 1981-07-03 | Thomson Csf | Dispositif d'elimination des echos fixes dans les equipements de detection electromagnetique et equipements comportant un tel dispositif |
| DE3803446C1 (enExample) * | 1988-02-05 | 1989-08-10 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | |
| FR2719955B1 (fr) * | 1994-05-10 | 1996-08-23 | Sagem | Procédé de filtrage d'un signal de franchissement de seuil. |
-
1971
- 1971-12-23 DE DE19712164156 patent/DE2164156C3/de not_active Expired
-
1972
- 1972-12-06 IT IT3254872A patent/IT971591B/it active
- 1972-12-18 FR FR7245012A patent/FR2164653B1/fr not_active Expired
- 1972-12-21 GB GB5927772A patent/GB1408016A/en not_active Expired
- 1972-12-22 NL NL7217575A patent/NL7217575A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2164653A1 (enExample) | 1973-08-03 |
| DE2164156C3 (de) | 1975-08-14 |
| GB1408016A (en) | 1975-10-01 |
| IT971591B (it) | 1974-05-10 |
| FR2164653B1 (enExample) | 1976-10-29 |
| DE2164156A1 (de) | 1973-07-05 |
| DE2164156B2 (de) | 1974-12-19 |