WO2023030556A3 - 噪底估计值的确定方法、目标检测方法及装置、电子设备 - Google Patents

噪底估计值的确定方法、目标检测方法及装置、电子设备 Download PDF

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Publication number
WO2023030556A3
WO2023030556A3 PCT/CN2022/140796 CN2022140796W WO2023030556A3 WO 2023030556 A3 WO2023030556 A3 WO 2023030556A3 CN 2022140796 W CN2022140796 W CN 2022140796W WO 2023030556 A3 WO2023030556 A3 WO 2023030556A3
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WIPO (PCT)
Prior art keywords
estimated value
noise floor
distance
floor estimated
electronic device
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PCT/CN2022/140796
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English (en)
French (fr)
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WO2023030556A2 (zh
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唐然
刘洪泉
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加特兰微电子科技(上海)有限公司
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Priority to EP22863690.8A priority Critical patent/EP4343371A2/en
Priority to KR1020237045478A priority patent/KR20240013250A/ko
Publication of WO2023030556A2 publication Critical patent/WO2023030556A2/zh
Publication of WO2023030556A3 publication Critical patent/WO2023030556A3/zh

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    • 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
    • G01S7/35—Details of non-pulse systems
    • G01S7/352—Receivers
    • G01S7/356—Receivers involving particularities of FFT processing
    • 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
    • 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
    • G01S13/536—Discriminating between fixed and moving objects or between objects moving at different speeds using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves
    • 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
    • G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
    • 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
    • G01S7/35—Details of non-pulse systems
    • G01S7/352—Receivers
    • G01S7/358—Receivers using I/Q processing
    • 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
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

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  • 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

一种噪底估计值的确定方法、装置、电子设备和存储介质，通过获取线性调频连续波对应的二维傅里叶数据平面，二维傅里叶数据平面包括距离维和多普勒维，距离维包括多个距离门（S201）；针对每个距离门，根据距离门沿多普勒维的多个二维傅里叶变换能量数据，确定噪底估计值（S202）。该方法通过确定每个距离门的噪底估计值，提高了确定的噪底估计值的效率和准确度。
PCT/CN2022/140796 2022-02-18 2022-12-21 噪底估计值的确定方法、目标检测方法及装置、电子设备 WO2023030556A2 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22863690.8A EP4343371A2 (en) 2022-02-18 2022-12-21 Method and apparatus for determining noise floor estimated value, target detection method and apparatus, and electronic device
KR1020237045478A KR20240013250A (ko) 2022-02-18 2022-12-21 노이즈 플로어 추정값의 결정 방법, 타겟 탐지 방법 및 장치, 전자 장비

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CN202210153294 2022-02-18
CN202210153294.6 2022-02-18
CN202210162853.XA CN114660585B (zh) 2022-02-18 2022-02-22 噪底估计值的确定方法、装置、电子设备和存储介质
CN202210162853.X 2022-02-22

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US18/399,010 Continuation US20240134001A1 (en) 2022-02-18 2023-12-28 Method and apparatus for determining noise floor estimated value, target detection method and apparatus, and electronic device

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WO2023030556A3 true WO2023030556A3 (zh) 2023-09-21

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EP (1) EP4343371A2 (zh)
KR (1) KR20240013250A (zh)
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CN116106852B (zh) * 2023-04-12 2023-07-14 中国人民解放军63921部队 机载主杂波频道的确定方法、装置及电子设备

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CN114660585A (zh) 2022-06-24
CN114660585B (zh) 2023-08-01
KR20240013250A (ko) 2024-01-30
CN116660847A (zh) 2023-08-29
WO2023030556A2 (zh) 2023-03-09
EP4343371A2 (en) 2024-03-27

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