BE711121A - - Google Patents
Info
- Publication number
- BE711121A BE711121A BE711121DA BE711121A BE 711121 A BE711121 A BE 711121A BE 711121D A BE711121D A BE 711121DA BE 711121 A BE711121 A BE 711121A
- Authority
- BE
- Belgium
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
- 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
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
- G01S7/2927—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by deriving and controlling a threshold value
-
- 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
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
- G01S7/2922—Extracting wanted echo-signals based on data belonging to one radar period by using a controlled threshold
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 |
|---|---|---|---|
| US619124A US3392386A (en) | 1967-02-23 | 1967-02-23 | Multilevel digital skimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE711121A true BE711121A (US20030220297A1-20031127-C00009.png) | 1968-07-01 |
Family
ID=24480561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE711121D BE711121A (US20030220297A1-20031127-C00009.png) | 1967-02-23 | 1968-02-22 |
Country Status (7)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5572215A (en) * | 1967-04-13 | 1996-11-05 | Hughes Aircraft Company | Digital data processor |
| US5652594A (en) * | 1967-12-28 | 1997-07-29 | Lockheed Martin Corporation | Signal processor affording improved immunity to medium anomalies and interference in remote object detection system |
| DE1945206C3 (de) * | 1969-09-06 | 1974-02-21 | Fa. Carl Zeiss, 7920 Heidenheim | Einrichtung zur Interpolation |
| US5808489A (en) * | 1994-06-30 | 1998-09-15 | Harris Corporation | High speed A/D converter and slew controlled pulse detector |
| JPH08140736A (ja) * | 1994-11-24 | 1996-06-04 | Kanebo Ltd | 整髪用ブラシ |
| JP2746158B2 (ja) * | 1994-11-25 | 1998-04-28 | 日本電気株式会社 | Ａｄ変換回路 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL294701A (US20030220297A1-20031127-C00009.png) * | 1962-06-29 | |||
| FR1365972A (fr) * | 1963-02-19 | 1964-07-10 | Thomson Houston Comp Francaise | Perfectionnements aux procédés de radiodétection à impulsions avec élimination d'échos longs |
| US3341816A (en) * | 1964-03-20 | 1967-09-12 | Hughes Aircraft Co | Amplitude range signal monitoring device |
| FR1438597A (fr) * | 1965-04-09 | 1966-05-13 | Int Standard Electric Corp | Commande automatique de valeur de seuil pour l'évaluation des signaux |
-
1967
- 1967-02-23 US US619124A patent/US3392386A/en not_active Expired - Lifetime
-
1968
- 1968-02-12 NL NL6801986.A patent/NL155655B/xx not_active IP Right Cessation
- 1968-02-15 GB GB7559/68A patent/GB1156896A/en not_active Expired
- 1968-02-17 DE DE1968H0065346 patent/DE1616266B1/de active Pending
- 1968-02-20 FR FR1556548D patent/FR1556548A/fr not_active Expired
- 1968-02-21 CH CH256168A patent/CH475562A/de not_active IP Right Cessation
- 1968-02-22 BE BE711121D patent/BE711121A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US3392386A (en) | 1968-07-09 |
| NL6801986A (US20030220297A1-20031127-C00009.png) | 1968-08-26 |
| GB1156896A (en) | 1969-07-02 |
| DE1616266B1 (de) | 1971-08-12 |
| NL155655B (nl) | 1978-01-16 |
| CH475562A (de) | 1969-07-15 |
| FR1556548A (US20030220297A1-20031127-C00009.png) | 1969-02-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: HUGHES AIRCRAFT CY Effective date: 19880222 |