Space Target Optical Characteristics and SNR Calculation Model on Sky Screen

Li, Hanshan

doi:10.1109/jsen.2015.2493183

Cited by 8 publications

(2 citation statements)

References 9 publications

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“…The hybrid microgrid structure studied in this paper is shown in Figure 3. It composed of three parts: DC subnet, AC subnet and bidirectional AC/DC converter [11]. Among them, photovoltaic power generation works in the state of maximum power point tracking (MPPT) or limited power control; battery charge and discharge controls or no work; diesel generator starts when system power is insufficient; diesel generator performs load shedding operation when output power is insufficient to supply load power.…”

Section: Ac/dc Hybrid Microgrid Structurementioning

confidence: 99%

Power coordination control strategy of microgrid based on photovoltaic generation

Chen

et al. 2022

MATEC Web Conf.

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In order to solve the large-scale grid-connected photovoltaic cells caused by power fluctuations, power quality decline and other issues. This paper proposes and researches a power coordination control strategy for microgrid based on photovoltaic power generation. The principle of photovoltaic cells and the switching of maximum power point tracking and limited power mode are studied. The stability control methods of DC bus voltage, AC bus wire and frequency are studied. The model of microgrid is established and moreover, based on the power of microgrid and the charging state of storage battery, the operation of microgrid is divided into different working modes. The stable operation of microgrid is realized by adjusting the output power of each unit in different working modes. The calculation shows that the control strategy can effectively reduce the power fluctuation in the microgrid and improve the output power of renewable energy. Finally, the feasibility and effectiveness of the proposed methods are verified by experiments.

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Section: Ac/dc Hybrid Microgrid Structurementioning

confidence: 99%

Power coordination control strategy of microgrid based on photovoltaic generation

Chen

et al. 2022

MATEC Web Conf.

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“…This situation of incorrect detection will be more likely to occur with the increasing number of combinations, thereby, detection reliability of moving targets on the difference image processed by absolute value operation is reduced. The absolute value operation of difference image requires background motion compensation, but the background motion compensation is a difficult task and it is as difficult as the target detection, so there is a big limitation on using absolute value difference image [21]. In order to eliminate misjudgment caused by the excessive number of combinations, the method of positive and negative difference images is put forward to detect moving target.…”

Section: B Improved Difference Image Processing Algorithm In Sequencmentioning

confidence: 99%

Image Processing and Recognition Algorithm for Target Tracking

Lü

Wang

2016

International Journal on Smart Sensing and Intelligent Systems

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Abstract-to improve target tracking performance in dynamic target track system, this paper propose the processing method of positive and negative difference image to extract target information; research target image preprocessing algorithm, the separation and segmentation processing algorithm of target and background, target edge detection and extraction based on the collected images; use Laplace operator, Canny operator. Gauss-Laplace operator to gain target information and improved recognition target image effect, analyze the positive and negative difference image measure to solve the background subtraction interference between two sequence images. Through the actual image processing, The results shows the proposed processing method can clear gain target marginal information and target image particle center, control tracking platform can stably track the target, and give the comparison results.

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Detection distance calculation model of flying target and atmospheric influence analysis

2017

Optik

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Space Target Optical Characteristics and SNR Calculation Model on Sky Screen

Cited by 8 publications

References 9 publications

Power coordination control strategy of microgrid based on photovoltaic generation

Power coordination control strategy of microgrid based on photovoltaic generation

Image Processing and Recognition Algorithm for Target Tracking

Detection distance calculation model of flying target and atmospheric influence analysis

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