BE477829A - - Google Patents

Info

Publication number
BE477829A
BE477829A BE477829DA BE477829A BE 477829 A BE477829 A BE 477829A BE 477829D A BE477829D A BE 477829DA BE 477829 A BE477829 A BE 477829A
Authority
BE
Belgium
Prior art keywords
pulses
distance
pulse
reflected
time
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE477829A publication Critical patent/BE477829A/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/10Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/14Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems

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)
BE477829D BE477829A (cs)

Publications (1)

Publication Number Publication Date
BE477829A true BE477829A (cs)

Family

ID=125791

Family Applications (1)

Application Number Title Priority Date Filing Date
BE477829D BE477829A (cs)

Country Status (1)

Country Link
BE (1) BE477829A (cs)

Similar Documents

Publication Publication Date Title
US8305257B2 (en) Method and apparatus for coherent marine radar measurements of properties of ocean waves and currents
US1864638A (en) Method and means for the observation and measurement of the speed of a vessel by directed beams of ultra-audible waves
CN103983979B (zh) 基于m序列相位编码和正交偏振复用的合成孔径激光成像雷达
CN104360329B (zh) 一种全数字阵列相控阵天气雷达的强度定标方法
EP2834664B1 (fr) Radar à faible probabilité d'interception
CN104678389B (zh) 连续波一维相扫脱靶量矢量检测方法及其装置
EP0415818A1 (fr) Commande de pointage pour système d'antenne à balayage électronique et formation de faisceau par le calcul
FR2913774A1 (fr) Dispositif et procede de localisation d'un mobile a l'approche d'une surface reflechissant les ondes electromagnetiques
US11002819B2 (en) Angular resolution of targets using separate radar receivers
Kock Radar, sonar, and holography: an introduction
US2536771A (en) Subaqueous sound transmission system for object detection
CN108226947B (zh) 基于最佳孔径滤除噪声的涡旋光测距系统
CN112698356A (zh) 基于多孔径收发的无盲区脉冲相干测风激光雷达系统
Pecknold et al. Improved active sonar performance using Costas waveforms
EP0002642B1 (fr) Système d'antenne à pouvoir séparateur élevé
WO2025200477A1 (zh) 微小形变监测方法、电子设备和存储介质
CN106019274A (zh) 一种新型多普勒雷达成像装置及方法
Morozov et al. High-efficient tunable sound sources for ocean and bottom tomography, 15 years of operating history
BE477829A (cs)
FR2692363A1 (fr) Procédé et dispositif de mesure de distances par émission d'ondes radioélectriques et ultrasonores.
US4849760A (en) Surface acoustic wave doppler detector
FR2522414A1 (fr) Radar pulse-doppler
FR2638833A1 (fr) Radiometre a hyperfrequences a balayage electrique
CA2043621A1 (fr) Dispositif de mesure de la distance d'une piste pour un engin volant
FR2464484A1 (fr) Radar doppler a onde continue et a codage pseudo-aleatoire pour la mesure d'angle et de distance