Title :
Design of fan filters with arbitrary angle and /spl plusmn/45/spl deg/ orientation
Author :
Hai Liu ; Xiyu Du ; Zhengding Qiu
Author_Institution :
Inf. Sci. Res. Inst., Northern Jiaotong Univ., Beijing, China
Abstract :
Fan filters with arbitrary angle and orientation are used in geographical and image data processing, so the design of fan filters is very important in the field of signal processing; however, most algorithms cannot be used to design this kind of fan filter. In the paper, a method to design fan filters with arbitrary angle and /spl plusmn/45/spl deg/ orientation is introduced. Because some approximation techniques are used, the method is very simple. Experiments show that the cut-off frequency contours are very close to the idle ones.<>
Keywords :
transfer functions; transforms; two-dimensional digital filters; approximation; cut-off frequency contours; design; fan filters; geographical data processing; image data processing; orientation; signal processing; Algorithm design and analysis; Band pass filters; Data processing; Design methodology; Finite impulse response filter; Frequency; Lubricating oils; Prototypes; Signal design; Signal processing algorithms;
Conference_Titel :
TENCON '93. Proceedings. Computer, Communication, Control and Power Engineering.1993 IEEE Region 10 Conference on
Conference_Location :
Beijing, China
Print_ISBN :
0-7803-1233-3
DOI :
10.1109/TENCON.1993.328058
