DK147428C - Filterindretning til fjernelse af uoenskede ekkosignaler i en impuls-doppler-radarmodtager - Google Patents
Filterindretning til fjernelse af uoenskede ekkosignaler i en impuls-doppler-radarmodtagerInfo
- Publication number
- DK147428C DK147428C DK356178A DK356178A DK147428C DK 147428 C DK147428 C DK 147428C DK 356178 A DK356178 A DK 356178A DK 356178 A DK356178 A DK 356178A DK 147428 C DK147428 C DK 147428C
- Authority
- DK
- Denmark
- Prior art keywords
- unsused
- impuls
- remove
- echo signals
- filter equipment
- Prior art date
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
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/526—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
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)
- Electrotherapy Devices (AREA)
- Surgical Instruments (AREA)
- Sheet Holders (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7709119A SE409148B (sv) | 1977-08-12 | 1977-08-12 | Filteranordning ingaende i mottagaren hos en pulsdopplerradar |
SE7709119 | 1977-08-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK356178A DK356178A (da) | 1979-02-13 |
DK147428B DK147428B (da) | 1984-07-30 |
DK147428C true DK147428C (da) | 1985-02-11 |
Family
ID=20331986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK356178A DK147428C (da) | 1977-08-12 | 1978-08-11 | Filterindretning til fjernelse af uoenskede ekkosignaler i en impuls-doppler-radarmodtager |
Country Status (10)
Country | Link |
---|---|
CH (1) | CH632850A5 (nl) |
DE (1) | DE2833050C2 (nl) |
DK (1) | DK147428C (nl) |
FI (1) | FI65863C (nl) |
FR (1) | FR2400212A1 (nl) |
GB (1) | GB2002617B (nl) |
IT (1) | IT1098359B (nl) |
NL (1) | NL187872C (nl) |
NO (1) | NO145964C (nl) |
SE (1) | SE409148B (nl) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2632420B1 (fr) * | 1987-10-16 | 1990-10-12 | Thomson Csf | Procede et dispositif de compensation de la vitesse du fouillis dans un radar doppler coherent a vitesse ambigue variable |
DE19654769A1 (de) * | 1996-12-30 | 1998-07-02 | Teves Gmbh Alfred | Verfahren und Vorrichtung zur Fahrzeugsteuerung bzw. -regelung |
US6049302A (en) * | 1999-05-04 | 2000-04-11 | Boeing North American | Pulsed doppler radar system with small intermediate frequency filters |
GB0301614D0 (en) * | 2003-01-24 | 2013-05-08 | Qinetiq Ltd | Target visibility enhancement system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3742500A (en) * | 1970-08-24 | 1973-06-26 | Raytheon Co | Mti radar |
IT950144B (it) * | 1971-03-17 | 1973-06-20 | Int Standard Electric Corp | Sistema per l eliminazione della velocita degli echi di disturbo adattabile per un sistema digitale ad impulsi indicatore di bersagli mobili |
US3962704A (en) * | 1974-05-31 | 1976-06-08 | Hughes Aircraft Company | Moving target indicator clutter tracker |
US4035799A (en) * | 1975-11-04 | 1977-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Digital mean clutter doppler compensation system |
-
1977
- 1977-08-12 SE SE7709119A patent/SE409148B/sv not_active IP Right Cessation
-
1978
- 1978-07-24 GB GB7830900A patent/GB2002617B/en not_active Expired
- 1978-07-26 FR FR7822113A patent/FR2400212A1/fr active Granted
- 1978-07-27 DE DE2833050A patent/DE2833050C2/de not_active Expired
- 1978-07-28 FI FI782352A patent/FI65863C/sv not_active IP Right Cessation
- 1978-08-02 NL NLAANVRAGE7808152,A patent/NL187872C/nl not_active IP Right Cessation
- 1978-08-10 IT IT26665/78A patent/IT1098359B/it active
- 1978-08-11 NO NO782748A patent/NO145964C/no unknown
- 1978-08-11 DK DK356178A patent/DK147428C/da not_active IP Right Cessation
- 1978-08-11 CH CH855578A patent/CH632850A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK356178A (da) | 1979-02-13 |
NO782748L (no) | 1979-02-13 |
NO145964C (no) | 1982-06-30 |
IT1098359B (it) | 1985-09-07 |
IT7826665A0 (it) | 1978-08-10 |
GB2002617A (en) | 1979-02-21 |
DK147428B (da) | 1984-07-30 |
FI782352A (fi) | 1979-02-13 |
CH632850A5 (de) | 1982-10-29 |
NO145964B (no) | 1982-03-22 |
DE2833050A1 (de) | 1979-03-01 |
FI65863C (fi) | 1984-07-10 |
FR2400212B1 (nl) | 1984-12-28 |
SE7709119L (sv) | 1979-02-13 |
DE2833050C2 (de) | 1986-08-07 |
NL187872B (nl) | 1991-09-02 |
SE409148B (sv) | 1979-07-30 |
FR2400212A1 (fr) | 1979-03-09 |
NL187872C (nl) | 1992-02-03 |
NL7808152A (nl) | 1979-02-14 |
FI65863B (fi) | 1984-03-30 |
GB2002617B (en) | 1982-02-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5489780A (en) | Doppler radar | |
DK506078A (da) | Digitalt styret signalsimulator navnlig til afproevning af radarmodtagere | |
SE7810126L (sv) | Mottagare for kompatibla am-stereosignaler | |
IT1097368B (it) | Ricevitore di segnali multifrequenza | |
AT377135B (de) | Empfaenger | |
DK142077A (da) | Radarmodtager med onordning til fjernelse af uonskede refleksioner | |
SE7711384L (sv) | Anordning vid signalmottagning | |
IT1103882B (it) | Miscelatore per ricevitori radar | |
IT1202746B (it) | Impianto di trasmissione di segnali di pilota | |
DK147428C (da) | Filterindretning til fjernelse af uoenskede ekkosignaler i en impuls-doppler-radarmodtager | |
DK432578A (da) | Modtagekreds for taksttaelleimpulser i telefonanlaeg | |
SE7803215L (sv) | Vagisolator for brett frekvensomrade | |
DK272978A (da) | Kobling til reduktion af interferens i en fm-stereomodtager | |
JPS5476091A (en) | Doppler radar | |
IL55399A (en) | Doppler radar | |
GB1548528A (en) | Radar signal simulating arrangements | |
SE7802738L (sv) | Dopplerradaranordning | |
SE7803252L (sv) | Talskyddad frekvensselektiv signalmottagare | |
SE424129B (sv) | Mottagare for flerfrekvenssignaler | |
ATA109377A (de) | Einrichung zur unterdrueckung von stoersignalen | |
IT1102000B (it) | Apparecchiatura radar | |
SE7708218L (sv) | Mottagare for talfrekvenssignaler | |
IT7919786A0 (it) | Disposizione circuitale per produrre segnali con frequenza di ripetizione assegnabile. | |
JPS5412591A (en) | Doppler radar module | |
PL205636A1 (pl) | Uklad polaczen do odbioru sygnalow w pasmie telefonicznym |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |