BE710966A - - Google Patents
Info
- Publication number
- BE710966A BE710966A BE710966DA BE710966A BE 710966 A BE710966 A BE 710966A BE 710966D A BE710966D A BE 710966DA BE 710966 A BE710966 A BE 710966A
- Authority
- BE
- Belgium
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
- H03H17/04—Recursive 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
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB747468A GB1214371A (en) | 1968-02-15 | 1968-02-15 | Digital canonical filter |
| NL6802332A NL6802332A (xx) | 1968-02-15 | 1968-02-19 | |
| BE710966 | 1968-02-19 | ||
| DER0048039 | 1968-02-19 | ||
| FR140436 | 1968-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE710966A true BE710966A (xx) | 1968-07-01 |
Family
ID=27507687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE710966D BE710966A (xx) | 1968-02-15 | 1968-02-19 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE710966A (xx) |
| DE (1) | DE1616410A1 (xx) |
| FR (1) | FR1554437A (xx) |
| GB (1) | GB1214371A (xx) |
| NL (1) | NL6802332A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2255754B1 (xx) * | 1973-12-11 | 1978-03-17 | Ibm France | |
| FR2418579A2 (fr) * | 1977-03-09 | 1979-09-21 | Onera (Off Nat Aerospatiale) | Filtre numerique recursif a coefficients en combinaison reduite de puissances de deux |
| GB2151426B (en) * | 1983-12-09 | 1988-09-21 | Plessey Co Plc | Clutter filter |
-
1968
- 1968-02-15 GB GB747468A patent/GB1214371A/en not_active Expired
- 1968-02-19 DE DE19681616410 patent/DE1616410A1/de active Pending
- 1968-02-19 NL NL6802332A patent/NL6802332A/xx unknown
- 1968-02-19 BE BE710966D patent/BE710966A/xx unknown
- 1968-02-20 FR FR1554437D patent/FR1554437A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1616410A1 (de) | 1971-04-15 |
| FR1554437A (xx) | 1969-01-17 |
| NL6802332A (xx) | 1969-08-21 |
| GB1214371A (en) | 1970-12-02 |