JPS642902B2 - - Google Patents

Info

Publication number
JPS642902B2
JPS642902B2 JP5595882A JP5595882A JPS642902B2 JP S642902 B2 JPS642902 B2 JP S642902B2 JP 5595882 A JP5595882 A JP 5595882A JP 5595882 A JP5595882 A JP 5595882A JP S642902 B2 JPS642902 B2 JP S642902B2
Authority
JP
Japan
Prior art keywords
data
value
frequency
signal strength
output
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
Application number
JP5595882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58173473A (ja
Inventor
Shunichi Kohama
Hisazumi Fukuoka
Toshio Chiba
Takashi Matsumoto
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP5595882A priority Critical patent/JPS58173473A/ja
Publication of JPS58173473A publication Critical patent/JPS58173473A/ja
Publication of JPS642902B2 publication Critical patent/JPS642902B2/ja
Granted legal-status Critical Current

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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/56Display arrangements
    • G01S7/60Display arrangements for providing a permanent recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP5595882A 1982-04-06 1982-04-06 ソ−ナ−信号表示処理方式 Granted JPS58173473A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5595882A JPS58173473A (ja) 1982-04-06 1982-04-06 ソ−ナ−信号表示処理方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5595882A JPS58173473A (ja) 1982-04-06 1982-04-06 ソ−ナ−信号表示処理方式

Publications (2)

Publication Number Publication Date
JPS58173473A JPS58173473A (ja) 1983-10-12
JPS642902B2 true JPS642902B2 (cs) 1989-01-19

Family

ID=13013581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5595882A Granted JPS58173473A (ja) 1982-04-06 1982-04-06 ソ−ナ−信号表示処理方式

Country Status (1)

Country Link
JP (1) JPS58173473A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61235778A (ja) * 1985-04-11 1986-10-21 Suzuki Giyotan Kk 魚群探知機における魚群表示方法
CN114458306B (zh) * 2020-11-06 2024-10-29 中国石油天然气集团有限公司 基于噪声测井的流体流量的确定方法、装置、设备及介质

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557554A (en) * 1978-06-30 1980-01-19 Murata Mfg Co Ltd Dielectric thin film

Also Published As

Publication number Publication date
JPS58173473A (ja) 1983-10-12

Similar Documents

Publication Publication Date Title
US7386183B2 (en) Method and apparatus for image processing
KR0176601B1 (ko) 저역 필터링과 히스토그램 등화를 이용한 화질개선 방법 및 그 회로
JP2001197527A (ja) 実時間人間視覚システム行動モデル化方法
KR960006477A (ko) 에지강조를 이루는 오차확산방식 이치화 방법 및 장치
KR20020026119A (ko) 영상신호의 콘트라스트 향상 장치
US5930402A (en) Method and device for local contrast enhancement of video signal
US6289367B1 (en) Digital signal processing circuits, systems, and method implementing approximations for logarithm and inverse logarithm
JPH05176263A (ja) 階調補正装置
US8565549B2 (en) Image contrast enhancement
Chen et al. Two-pass bilateral smooth filtering for remote sensing imagery
US20060039624A1 (en) System and method for fuzzy filtering images
JPS642902B2 (cs)
US6700626B2 (en) Video-apparatus with peaking filter
JPH0651009A (ja) ノイズ測定方法および装置
CN112671412A (zh) 一种雷达回波数据压缩方法及装置
US7668898B2 (en) Calculating circuit and method for computing an N-th root and a reciprocal of a number
US6882735B2 (en) Dynamic range compression of an audio signal
US20220051384A1 (en) Scaled psnr for image quality assessment
US20230305590A1 (en) A data processing method
JP2008500757A (ja) 映像信号の鮮鋭度を強調するための方法およびシステム
CN100473175C (zh) 确定调制信号的包络线的方法
US3717812A (en) Real time analysis of waves
JPH07131758A (ja) ビデオ信号の雑音低減方法
JP2655602B2 (ja) 画像強調回路
JP2678122B2 (ja) 超音波診断装置