FR2381318A1 - Dispositif de traitement de signaux radar - Google Patents

Dispositif de traitement de signaux radar

Info

Publication number
FR2381318A1
FR2381318A1 FR7538104A FR7538104A FR2381318A1 FR 2381318 A1 FR2381318 A1 FR 2381318A1 FR 7538104 A FR7538104 A FR 7538104A FR 7538104 A FR7538104 A FR 7538104A FR 2381318 A1 FR2381318 A1 FR 2381318A1
Authority
FR
France
Prior art keywords
buffer
echo signal
echo
intermediate frequency
sampling 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.)
Withdrawn
Application number
FR7538104A
Other languages
English (en)
Inventor
John Malcom Morrison
John Venters
George Mair Anderson
Terence Aubrey Evett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ferranti International PLC
Original Assignee
Ferranti PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ferranti PLC filed Critical Ferranti PLC
Priority to FR7538104A priority Critical patent/FR2381318A1/fr
Publication of FR2381318A1 publication Critical patent/FR2381318A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period

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)

Abstract

Dispositif de traitement des signaux bruts fournis par un radar. Les signaux d'écho d'un radar altimétrique embarqué sont fractionnés en intervalles séquentiels, et les signaux élémentaires correspondant à chaque intervalle sont lissés séparément pour atténuer les effets de la scintillation. Ceci est realisé par un réseau de lissage 17 comportant des condensateurs chargés séquentiellement. Le signal de sortie du réseau 17 est comparé à celui du générateur de fonction 12 qui engendre un signal correspondant à l'altitude-sol de référence L'invention peut être utilisée pour le vol à basse altitude.
FR7538104A 1975-12-12 1975-12-12 Dispositif de traitement de signaux radar Withdrawn FR2381318A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7538104A FR2381318A1 (fr) 1975-12-12 1975-12-12 Dispositif de traitement de signaux radar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7538104A FR2381318A1 (fr) 1975-12-12 1975-12-12 Dispositif de traitement de signaux radar

Publications (1)

Publication Number Publication Date
FR2381318A1 true FR2381318A1 (fr) 1978-09-15

Family

ID=9163677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7538104A Withdrawn FR2381318A1 (fr) 1975-12-12 1975-12-12 Dispositif de traitement de signaux radar

Country Status (1)

Country Link
FR (1) FR2381318A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201787A (en) * 1959-07-23 1965-08-17 Int Standard Electric Corp Method of suppressing noise, compressing bandwidth, and evaluating radar-picture signals or similar periodic trains of impulses
US3896390A (en) * 1974-02-11 1975-07-22 Us Navy High-speed sampler with variable sample rate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201787A (en) * 1959-07-23 1965-08-17 Int Standard Electric Corp Method of suppressing noise, compressing bandwidth, and evaluating radar-picture signals or similar periodic trains of impulses
US3896390A (en) * 1974-02-11 1975-07-22 Us Navy High-speed sampler with variable sample rate

Similar Documents

Publication Publication Date Title
DE69834911T2 (de) Dreidimensionales ultraschall-folgesystem mit digitaler signal-verarbeitung
DE3688141D1 (de) Verfahren zur anzeige der zeit eines akustischen impulses und geraet zur durchfuehrung des verfahrens.
CA1028767A (fr) Methode et appareil de visualisation d'echos d'impulsions
FR2282192A1 (fr) Systeme de transmission numerique pour la transmission a frequence d'impulsions basse de signaux de conversation et emetteur a utiliser dans un tel systeme
CA1032255A (fr) Mesure de la variation doppler sur un echo
GB1512478A (en) Signal delay means using bucket brigade and sample-and-hold circuits
SE8803681L (sv) Radar
IT1052520B (it) Sistema per la elaborazione di segnali radar
FR2381318A1 (fr) Dispositif de traitement de signaux radar
SE406655B (sv) Anordning for overforing av bestemda klocksignaler i en klocksignalserie med hjelp av signaler av legre frekvens i synnerhet for att ur nemnda signaler av legre frekvens utvinna veldefinerade pulser for styrning av ...
GB1496837A (en) Method and apparatus for measuring the frequency and/or period of a signal
FR2274113A1 (fr) Dispositif acoustique a memoire pour la correlation notamment de deux signaux haute-frequence
JPS5396797A (en) Self-diagnosis apparatus of radar receiving system
JPS624971B2 (fr)
US3839680A (en) Sonar depth tracking system
JPS548568A (en) Tuner
EP0288601A3 (fr) Capteur
KONECNY Use of digital filters in pulse radars
DK137408B (da) Apparat til undertrykning af støjimpulser i en impulsdopplerradars modtager.
DK356178A (da) Filterindretning til fjernelse af uoenskede ekkosignaler i en impuls-doppler-radarmodtager
SU434326A1 (ru) Способ анализа формб1 импульсных сигналов
EP0474867A4 (en) Method of processing doppler signal
SU1490708A1 (ru) Способ делени частоты следовани треугольных импульсов
SU1101865A1 (ru) Преобразователь угла поворота вала в код
JPS56130664A (en) Frequency measuring system

Legal Events

Date Code Title Description
ST Notification of lapse