An improved LCL Filter Design Method Based on Stability Region and Harmonic Interaction for Grid-Connected Inverters in Weak Grid

2018 ◽  
Author(s):  
Zhe Zhang ◽  
Fang Liu ◽  
Jinxin Deng ◽  
Zhen Xie ◽  
Meng Wang
Keyword(s):  
Stability Region ◽  
Filter Design ◽  
Design Method ◽  
Lcl Filter ◽  
Weak Grid ◽  
Harmonic Interaction ◽  
Filter Design Method

Digital all-pass filter design method based on complex cepstrum

2003 ◽  
Vol 39 (8) ◽  
pp. 695 ◽  
Author(s):  
G. Jovanovic-Dolecek ◽  
J. Diaz-Carmona
Keyword(s):  
Filter Design ◽  
Design Method ◽  
Pass Filter ◽  
Complex Cepstrum ◽  
Filter Design Method

Median Morphological Filter Design Based on the PSO Algorithm

2011 ◽  
Vol 128-129 ◽  
pp. 181-184
Author(s):  
You Lian Zhu ◽  
Cheng Huang
Keyword(s):  
Filter Design ◽  
Design Method ◽  
Signal To Noise Ratio ◽  
Pso Algorithm ◽  
Morphological Operations ◽  
Morphological Filter ◽  
Signal To Noise ◽  
Noise Ratio ◽  
The Cost ◽  
Filter Design Method

Design of morphological filter greatly depends on morphological operations and structuring elements selection. A filter design method used median closing morphological operation is proposed to enhance the image denoising ability and the PSO algorithm is introduced for structural elements selecting. The method takes the peak value signal-to-noise ratio (PSNR) as the cost function and may adaptively build unit structuring elements with zero square matrix. Experimental results show the proposed method can effectively remove impulse noise from a noisy image, especially from a low signal-to-noise ratio (SNR) image; the noise reduction performance has obvious advantages than the other.

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