DE1268686C2 - Regelschaltung zur Abstimmung von Oszillatoren in Abhaengigkeit von der Frequenz einer Bezugsschwingung, insbesondere fuer Funk-Entfernungsmesssysteme - Google Patents
Regelschaltung zur Abstimmung von Oszillatoren in Abhaengigkeit von der Frequenz einer Bezugsschwingung, insbesondere fuer Funk-EntfernungsmesssystemeInfo
- Publication number
- DE1268686C2 DE1268686C2 DE19631268686 DE1268686A DE1268686C2 DE 1268686 C2 DE1268686 C2 DE 1268686C2 DE 19631268686 DE19631268686 DE 19631268686 DE 1268686 A DE1268686 A DE 1268686A DE 1268686 C2 DE1268686 C2 DE 1268686C2
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- delay
- delay circuit
- counter
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000010355 oscillation Effects 0.000 title claims description 33
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000010363 phase shift Effects 0.000 description 11
- 230000006870 function Effects 0.000 description 10
- 238000005070 sampling Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 6
- 230000002441 reversible effect Effects 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241000554155 Andes Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/103—Systems for measuring distance only using transmission of interrupted, pulse modulated waves particularities of the measurement of the distance
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Radar Systems Or Details Thereof (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US190081A US3265986A (en) | 1962-04-25 | 1962-04-25 | Variable frequency oscillators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1268686B DE1268686B (de) | 1968-05-22 |
| DE1268686C2 true DE1268686C2 (de) | 1968-12-12 |
Family
ID=22699947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19631268686 Expired DE1268686C2 (de) | 1962-04-25 | 1963-01-31 | Regelschaltung zur Abstimmung von Oszillatoren in Abhaengigkeit von der Frequenz einer Bezugsschwingung, insbesondere fuer Funk-Entfernungsmesssysteme |
Country Status (5)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3384821A (en) * | 1965-08-03 | 1968-05-21 | Army Usa | Fixed frequency phase memory apparatus |
| US3440645A (en) * | 1965-08-04 | 1969-04-22 | Collins Radio Co | Analog-to-digital converter |
| US3378786A (en) * | 1966-11-14 | 1968-04-16 | Collins Radio Co | Digitalized signal gain control circuit |
| US3392350A (en) * | 1966-12-06 | 1968-07-09 | Susquehanna Corp | Variable timing circuit |
| US3522549A (en) * | 1967-04-25 | 1970-08-04 | Hughes Aircraft Co | Automatic frequency control loop with frequency discriminator and digital counter |
| US3593176A (en) * | 1969-04-14 | 1971-07-13 | Fluke Mfg Co John | Error signal sensing system using variable frequency oscillator and up/down counter |
| DE2501714C2 (de) * | 1975-01-17 | 1984-06-07 | Fried. Krupp Gmbh, 4300 Essen | Digitale Frequenznachlaufschaltung zur kontinuierlichen Messung der Trägerfrequenz von Impulsen |
| US4152650A (en) * | 1977-04-22 | 1979-05-01 | The Foxboro Company | Continuously-synchronized tracking receiver for a priori defined swept carriers |
| EP1819050B1 (en) * | 2006-02-09 | 2009-05-27 | Infineon Technologies AG | Delay line calibration circuit comprising asynchronous arbiter element |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB528105A (en) * | 1938-04-28 | 1940-10-22 | Marconi Wireless Telegraph Co | Improvements in or relating to electrical oscillation generators |
| US2304377A (en) * | 1941-02-11 | 1942-12-08 | Rca Corp | Automatic frequency control system |
| GB557889A (en) * | 1942-07-07 | 1943-12-09 | Rca Corp | Improvements in frequency or phase modulation systems |
| US2544407A (en) * | 1946-05-02 | 1951-03-06 | Raytheon Mfg Co | Electrical circuits |
| US2949585A (en) * | 1958-05-01 | 1960-08-16 | Gen Electric | Delay line for angular modulation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2405771A (en) * | 1942-07-11 | 1946-08-13 | Hartford Nat Bank & Trust Co | Method of synchronizing a plurality of oscillations |
| US2490500A (en) * | 1946-12-28 | 1949-12-06 | Rca Corp | Stabilized oscillator generator |
| US2706785A (en) * | 1951-05-21 | 1955-04-19 | Rca Corp | Low-frequency standard generator |
| US2777951A (en) * | 1952-12-10 | 1957-01-15 | Sperry Rand Corp | Erequency modulating systems for phase-shift oscillators |
| US2774872A (en) * | 1952-12-17 | 1956-12-18 | Bell Telephone Labor Inc | Phase shifting circuit |
-
0
- NL NL288519D patent/NL288519A/xx unknown
-
1962
- 1962-04-25 US US190081A patent/US3265986A/en not_active Expired - Lifetime
-
1963
- 1963-01-30 FR FR923139A patent/FR1359164A/fr not_active Expired
- 1963-01-31 DE DE19631268686 patent/DE1268686C2/de not_active Expired
- 1963-02-12 GB GB5710/63A patent/GB987732A/en not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB528105A (en) * | 1938-04-28 | 1940-10-22 | Marconi Wireless Telegraph Co | Improvements in or relating to electrical oscillation generators |
| US2304377A (en) * | 1941-02-11 | 1942-12-08 | Rca Corp | Automatic frequency control system |
| GB557889A (en) * | 1942-07-07 | 1943-12-09 | Rca Corp | Improvements in frequency or phase modulation systems |
| US2544407A (en) * | 1946-05-02 | 1951-03-06 | Raytheon Mfg Co | Electrical circuits |
| US2949585A (en) * | 1958-05-01 | 1960-08-16 | Gen Electric | Delay line for angular modulation |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1268686B (de) | 1968-05-22 |
| FR1359164A (fr) | 1964-04-24 |
| NL288519A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| GB987732A (en) | 1965-03-31 |
| US3265986A (en) | 1966-08-09 |
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