NL6600881A - - Google Patents
Info
- Publication number
- NL6600881A NL6600881A NL6600881A NL6600881A NL6600881A NL 6600881 A NL6600881 A NL 6600881A NL 6600881 A NL6600881 A NL 6600881A NL 6600881 A NL6600881 A NL 6600881A NL 6600881 A NL6600881 A NL 6600881A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/12—Frequency diversity
-
- 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
- G01S13/0218—Very long range radars, e.g. surface wave radar, over-the-horizon or ionospheric propagation systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/103—Chirp modulation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Noise Elimination (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42755665A | 1965-01-25 | 1965-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6600881A true NL6600881A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-07-26 |
Family
ID=23695368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6600881A NL6600881A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-01-25 | 1966-01-24 |
Country Status (3)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557861A (zh) * | 2018-12-25 | 2019-04-02 | 江苏旭微科技有限公司 | 跨电压域的电源管理电路 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881154A (en) * | 1973-07-13 | 1975-04-29 | Us Air Force | High resolution, very short pulse, ionosounder |
| US4140973A (en) * | 1977-03-29 | 1979-02-20 | Canadian Patents And Development Limited | Channel evaluation apparatus for point-to-point communications systems |
| DE2724376C3 (de) * | 1977-05-28 | 1979-11-15 | Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen | Verfahren und Einrichtung zum Messen der Empfangsqualität eines frequenzmodulierten UKW-Signals |
| GB2253971B (en) * | 1984-10-30 | 1993-02-03 | Secr Defence | Improvements in or relating to ionospheric sounding |
| RU2307463C1 (ru) * | 2006-05-24 | 2007-09-27 | Военная академия связи | Способ выбора рабочих частот для радиолиний ионосферных волн |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2446244A (en) * | 1943-05-22 | 1948-08-03 | Rca Corp | Pulse-echo system |
| US2521696A (en) * | 1949-01-24 | 1950-09-12 | Armond James K De | Optimum frequency radio communication system |
| US2776365A (en) * | 1951-08-28 | 1957-01-01 | Stanley B White | Propagation recording system |
| US3027542A (en) * | 1958-07-14 | 1962-03-27 | Beckman Instruments Inc | Automatic marginal checking apparatus |
| FR1322204A (fr) * | 1962-02-06 | 1963-03-29 | Thomson Houston Comp Francaise | Perfectionnements aux faisceaux hertziens à modulation de fréquence |
-
1965
- 1965-01-25 US US427556A patent/US3495176A/en not_active Expired - Lifetime
-
1966
- 1966-01-14 GB GB1843/66A patent/GB1087870A/en not_active Expired
- 1966-01-24 NL NL6600881A patent/NL6600881A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557861A (zh) * | 2018-12-25 | 2019-04-02 | 江苏旭微科技有限公司 | 跨电压域的电源管理电路 |
| CN109557861B (zh) * | 2018-12-25 | 2023-08-15 | 江苏旭微科技有限公司 | 跨电压域的电源管理电路 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3495176A (en) | 1970-02-10 |
| GB1087870A (en) | 1967-10-18 |