SE340825B - - Google Patents
Info
- Publication number
- SE340825B SE340825B SE13213/65A SE1321365A SE340825B SE 340825 B SE340825 B SE 340825B SE 13213/65 A SE13213/65 A SE 13213/65A SE 1321365 A SE1321365 A SE 1321365A SE 340825 B SE340825 B SE 340825B
- Authority
- SE
- Sweden
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
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
- G01S13/586—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value using, or combined with, frequency tracking means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US403756A US3321759A (en) | 1964-10-13 | 1964-10-13 | Radar spectrum analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE340825B true SE340825B (de) | 1971-12-06 |
Family
ID=23596888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE13213/65A SE340825B (de) | 1964-10-13 | 1965-10-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3321759A (de) |
| BE (1) | BE670366A (de) |
| CH (1) | CH452051A (de) |
| DE (1) | DE1283954B (de) |
| GB (1) | GB1077659A (de) |
| NL (1) | NL138911B (de) |
| SE (1) | SE340825B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3418574A (en) * | 1966-01-28 | 1968-12-24 | Raytheon Co | Spectrum analyzer using limited operating frequency bandwidth |
| US3940768A (en) * | 1969-01-07 | 1976-02-24 | The United States Of America As Represented By The Secretary Of The Navy | Precise pulse repetition frequency measuring device and signal sorter |
| US6492936B1 (en) * | 1969-12-19 | 2002-12-10 | The United States Of America As Represented By The Secretary Of The Navy | Frequency spectrum analyzer |
| FR2129949B1 (de) | 1971-03-23 | 1977-03-18 | Thomson Csf | |
| US4642644A (en) * | 1984-06-07 | 1987-02-10 | The United States Of America As Represented By The Secretary Of The Air Force | Noise jammer discrimination by noise modulation bandwidth |
| US4642643A (en) * | 1984-06-07 | 1987-02-10 | The United States Of America As Represented By The Secretary Of The Air Force | Noise jammer discrimination by noise spectral bandwidth |
| DE3840109A1 (de) * | 1988-11-28 | 1990-05-31 | Deutsch Franz Forsch Inst | Verfahren und einrichtung zur bestimmung der frequenz kurzer schwingungspakete elektrischer signale |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2479222A (en) * | 1945-09-21 | 1949-08-16 | George G Edlen | Electrical apparatus |
| US2617093A (en) * | 1946-04-05 | 1952-11-04 | Gen Electric | Radio apparatus for indicating speed and course of objects |
| US2897490A (en) * | 1952-12-11 | 1959-07-28 | Philco Corp | Bandwidth compression system |
| US2905894A (en) * | 1954-12-30 | 1959-09-22 | Sperry Rand Corp | Gated spectrum analyzer |
| US3087153A (en) * | 1956-06-08 | 1963-04-23 | Bendix Corp | Gated pulse radar system |
| US2997650A (en) * | 1958-01-30 | 1961-08-22 | Gen Electric | Spectrum analyzer |
| US3212085A (en) * | 1963-03-05 | 1965-10-12 | Roger M Lhermitte | Atmospheric motion coherent pulse doppler radar system |
-
1964
- 1964-10-13 US US403756A patent/US3321759A/en not_active Expired - Lifetime
-
1965
- 1965-09-01 GB GB37389/65A patent/GB1077659A/en not_active Expired
- 1965-09-30 BE BE670366D patent/BE670366A/xx unknown
- 1965-10-01 NL NL656512778A patent/NL138911B/xx unknown
- 1965-10-07 DE DER41743A patent/DE1283954B/de active Pending
- 1965-10-11 CH CH1400665A patent/CH452051A/de unknown
- 1965-10-12 SE SE13213/65A patent/SE340825B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1077659A (en) | 1967-08-02 |
| BE670366A (de) | 1966-01-17 |
| NL138911B (nl) | 1973-05-15 |
| US3321759A (en) | 1967-05-23 |
| NL6512778A (de) | 1966-04-14 |
| CH452051A (de) | 1968-05-31 |
| DE1283954B (de) | 1968-11-28 |