DE2634426C2 - Bandkompressionseinrichtung - Google Patents
BandkompressionseinrichtungInfo
- Publication number
- DE2634426C2 DE2634426C2 DE2634426A DE2634426A DE2634426C2 DE 2634426 C2 DE2634426 C2 DE 2634426C2 DE 2634426 A DE2634426 A DE 2634426A DE 2634426 A DE2634426 A DE 2634426A DE 2634426 C2 DE2634426 C2 DE 2634426C2
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- memory
- input
- output
- circuits
- 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
- 230000006835 compression Effects 0.000 title claims description 31
- 238000007906 compression Methods 0.000 title claims description 31
- 230000015654 memory Effects 0.000 claims description 88
- 238000005070 sampling Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims 1
- 238000002592 echocardiography Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- G01S7/2806—Employing storage or delay devices which preserve the pulse form of the echo signal, e.g. for comparing and combining echoes received during different periods
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Radar Systems Or Details Thereof (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7524148A FR2319905A1 (fr) | 1975-08-01 | 1975-08-01 | Dispositif de compression de bande et systeme radar comportant un tel dispositif |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2634426A1 DE2634426A1 (de) | 1977-03-10 |
| DE2634426C2 true DE2634426C2 (de) | 1983-12-08 |
Family
ID=9158683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2634426A Expired DE2634426C2 (de) | 1975-08-01 | 1976-07-30 | Bandkompressionseinrichtung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4053840A (enExample) |
| DE (1) | DE2634426C2 (enExample) |
| FR (1) | FR2319905A1 (enExample) |
| GB (1) | GB1525141A (enExample) |
| IT (1) | IT1066246B (enExample) |
| NL (1) | NL181304C (enExample) |
| SE (1) | SE416162B (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4199729A (en) * | 1975-03-20 | 1980-04-22 | Compagnie Industrielle des Telecommunications Cit-Aicatel | Variable peak detector |
| GB1570527A (en) * | 1976-03-24 | 1980-07-02 | British Comm Corp Ltd | Electrical circuit arrangements for monitoring the level of an analogue signal by comparing the levels of earlier and later digital samples thereof |
| US4183087A (en) * | 1978-03-07 | 1980-01-08 | Hughes Aircraft Company | Peak deviation sampling |
| US4295099A (en) * | 1979-09-05 | 1981-10-13 | Honeywell Inc. | Peak detector |
| US4313114A (en) * | 1980-05-30 | 1982-01-26 | Leupold & Stevens, Inc. | Liquid level recorder apparatus and method for storing level differences in memory |
| US4499548A (en) * | 1980-07-02 | 1985-02-12 | Hewlett-Packard Company | Data compression apparatus |
| IL68987A (en) * | 1982-08-03 | 1986-12-31 | Motorola Inc | Method and apparatus for measuring the strength of a radio frequency signal |
| US4549311A (en) * | 1982-08-03 | 1985-10-22 | Motorola, Inc. | Method and apparatus for measuring the strength of a radio signal frequency |
| DE3233288A1 (de) * | 1982-09-08 | 1984-03-08 | Robert Bosch Gmbh, 7000 Stuttgart | System zur zeitlichen kompression und/oder expansion von elektrischen signalen |
| FR2543304B1 (fr) * | 1983-03-22 | 1985-07-12 | Soletanche | Procede et dispositif pour obtenir la valeur de crete d'un signal et application a un procede et un dispositif pour determiner la durete d'un sol |
| DE3313119A1 (de) * | 1983-04-12 | 1984-10-18 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur digitalen tonuebertragung |
| DE3417304A1 (de) * | 1984-05-10 | 1985-11-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur uebertragung von radarinformation |
| DE4036546C1 (en) * | 1990-11-16 | 1992-03-26 | Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De | Data reduction for information signal transmission - stores signal patterns in transmitter and receiver, transmits address of pattern resembling information signal and reads pattern in receiver |
| AU713458B2 (en) * | 1996-03-08 | 1999-12-02 | Koninklijke Philips Electronics N.V. | Dictation and transcription apparatus |
| CN101776747B (zh) * | 2010-01-15 | 2012-07-18 | 山东大学 | 基于自适应重采样的雷达信号压缩方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1148472B (de) * | 1957-12-11 | 1963-05-09 | Marconi Sounding Device Compan | Echolotgeraet zum Messen der Wassertiefe |
| DE1149415B (de) * | 1960-02-18 | 1963-05-30 | Siemens Ag | Anordnung zur Frequenzbandkompression von Radarsignalen |
| DE1162398B (de) * | 1961-10-24 | 1964-02-06 | Ibm | Verdichter fuer Daten, die aus Bits verschiedener Wertigkeit bestehen |
| US3378641A (en) * | 1965-10-15 | 1968-04-16 | Martin Marietta Corp | Redundancy-elimination system for transmitting each sample only if it differs from previously transmitted sample by pre-determined amount |
| DE2102422A1 (de) * | 1971-01-19 | 1972-08-03 | Siemens Ag | Verfahren zur Bestimmung von Impulslaufzeiten |
| GB1485616A (en) * | 1973-04-19 | 1977-09-14 | Post Office | Apparatus for displaying an extreme value among a succession of digital values and method of testing pulse code modulation equipment using such apparatus |
| US3932767A (en) * | 1973-07-23 | 1976-01-13 | Continental Charter Corporation | Filter-discriminator circuit |
-
1975
- 1975-08-01 FR FR7524148A patent/FR2319905A1/fr active Granted
-
1976
- 1976-07-27 US US05/709,109 patent/US4053840A/en not_active Expired - Lifetime
- 1976-07-28 IT IT50631/76A patent/IT1066246B/it active
- 1976-07-29 GB GB31716/76A patent/GB1525141A/en not_active Expired
- 1976-07-30 NL NLAANVRAGE7608483,A patent/NL181304C/xx not_active IP Right Cessation
- 1976-07-30 SE SE7608652A patent/SE416162B/xx not_active IP Right Cessation
- 1976-07-30 DE DE2634426A patent/DE2634426C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7608483A (nl) | 1977-02-03 |
| SE416162B (sv) | 1980-12-01 |
| NL181304B (nl) | 1987-02-16 |
| DE2634426A1 (de) | 1977-03-10 |
| FR2319905A1 (fr) | 1977-02-25 |
| FR2319905B1 (enExample) | 1977-12-16 |
| IT1066246B (it) | 1985-03-04 |
| SE7608652L (sv) | 1977-02-02 |
| US4053840A (en) | 1977-10-11 |
| NL181304C (nl) | 1987-07-16 |
| GB1525141A (en) | 1978-09-20 |
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| DE2438837A1 (de) | Verfahren und einrichtung zum beseitigen von echosignalen | |
| DE3048240C2 (enExample) | ||
| DE2205306A1 (de) | Digitaler Phasendetektor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8125 | Change of the main classification |
Ipc: G01S 7/02 |
|
| 8126 | Change of the secondary classification |
Ipc: G01S 7/48 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |