Contents
2023
Volume: 45 Issue 2
11 Article(s)

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APPLICATION TECHNOLOGY
Automatic recognition of water source microorganisms based on particle swarm optimization algorithm
Xingang MIN, Shaoqi HUANG, Shaojie YOU, and Bo DAI
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 8 (2023)
Optical fiber sensing vibration signal recognition based on lightweight network
Lingling CHEN, Baicheng LI, Dawei ZHANG, Han YANG, and Chunbo WU
Based on the application of distributed optical fiber sensing system in the field of perimeter security monitoring, there are problems such as slow response speed and low recognition rate. Although the recognition rate of the traditional convolutional neural network is very high, its huge amount of parameters makes ind
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 18 (2023)
Fruit damage detection and classification based on attention mechanism
Jie ZHANG, Chunlei XIA, Rongfu ZHANG, Julaiti HALIZHATI, and Yi LIU
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 26 (2023)
Design of ABS sensor output sinusoidal signal measurement device based on STM32F4
Mengyuan REN, Fangling HUANG, and Rongfu ZHANG
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 36 (2023)
DESIGN and RESEARCH
An image semantic segmentation algorithm with a two-branch structure
Bing WANG, Qi HU, and Yalin BIAN
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 46 (2023)
Research on improved phase generated carrier algorithm for OFDR vibration sensing
Yu LIU, Lujun WANG, Wei XIN, Xuejing LIU, and Xuedian ZHANG
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 55 (2023)
Research on OFDR 3D shape reconstruction algorithm based on Frenet-Serret framework
Wei XIN, Lujun WANG, Yu LIU, Xuedian ZHANG, and Xuejing LIU
In order to further study the shape detection of optical frequency domain reflectometry(OFDR), and effectively calculate the shape and position of optical fiber in application scenarios such as deformation monitoring, this paper designed an algorithm to reconstruct three-dimensional shape using the optical fiber strain
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 62 (2023)
Investigation of air plasma shock waves induced by femtosecond laser
Yanfei MOU, Qiyuan ZHANG, and Qingqing LIANG
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 69 (2023)
REVIEW
Research progress in liquid crystal phased array technology
Na LUO, Wenhao YANG, and Qi WANG
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 75 (2023)
TESTING TECHNOLOGY
Measurement and analysis of the focal plane opto-electronic conversion functions for digital single lens reflex cameras
Weige LYU, Ke FENG, and Xiaodong ZHENG
It was necessary to obtain and process the relationship between the physical input and digital output of digital imaging equipment for its proper application in optical experiments. Based on ISO 14524:2009 standards, the focal plane opto-electronic conversion functions of digital single lens reflex camera Canon EOS 500
Optical Instruments
  • Publication Date: Apr. 25, 2023
  • Vol. 45, Issue 2, 1 (2023)
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