Wavelet Frequency Transformation for Specific Weeds Recognition

2021 ◽  
Author(s):  
Shaban Habib ◽  
Ishrat Khan ◽  
Muhammad Islam ◽  
Waleed Albattah ◽  
Saleh Mohammed Alyahya ◽  
...  
Keyword(s):  
Frequency Transformation

Design of Dual-band Cavity Filter Using Frequency Transformation Method

2012 ◽  
Vol 34 (6) ◽  
pp. 1489-1493
Author(s):  
Xin Kou ◽  
Zhong-yin Xiao ◽  
Chun-yan Huang ◽  
Hao Li ◽  
Jun-jun Chu
Keyword(s):  
Transformation Method ◽  
Dual Band ◽  
Frequency Transformation

Frequency transformation

1996 ◽  
pp. 75-89
Author(s):  
Kendall L. Su
Keyword(s):  
Frequency Transformation

scholarly journals Gaussian Circular 2D FIR Filters Designed Using Analytical Approach

2020 ◽  
Vol 16 ◽  
Keyword(s):  
Analytical Approach ◽  
Design Procedure ◽  
Peak Frequency ◽  
Fir Filters ◽  
Chebyshev Series ◽  
Analytical Design ◽  
Frequency Transformation ◽  
Low Pass ◽  
Band Pass ◽  
2D Fir Filters

This paper proposes an analytical design procedure for a particular class of 2D filters, namelyGaussian-shaped, circularly-symmetric FIR filters. We approach both low-pass and band-pass circular filters,which are adjustable in selectivity and peak frequency. The design starts from a given 1D Gaussian prototypefilter, approximated using the Chebyshev series. A frequency transformation is applied to derive the circularfilter. Several design examples are provided for both types of filters. The filters designed through this methodare efficient, their frequency response results in a factored or nested form, convenient for implementation.

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