Title :
Frequency response measurement in magnetic recording systems employing characteristic M-sequences
Author :
Liu, Gary H C ; Shimpuku, Yoshihide ; Kondo, Satoru
Author_Institution :
Lab. for Digital Syst., Sony Corp., Japan
Abstract :
By employing characteristic M-sequences, the frequency response function can be obtained by a single pass of the sequences through the system under investigation. These sequences are especially useful in determining the frequency response of digital input/output systems due to their discrete nature. In addition, real-time frequency response measurement can be achieved since characteristic M-sequences possess a wideband, flat gain frequency spectrum with the net phase equals to zero. The magnitude and phase response measurement of two filter systems and several different magnetic tape recording systems are carried out and their results are presented
Keywords :
binary sequences; digital magnetic recording; frequency measurement; frequency response; low-pass filters; phase measurement; characteristic M-sequences; digital input/output systems; filter systems; first order lowpass filter; frequency response function; frequency response measurement; magnetic recording systems; magnetic tape recording systems; magnitude response measurement; phase response measurement; real-time frequency response measurement; wideband flat gain frequency spectrum; Detectors; Digital systems; Fourier transforms; Frequency measurement; Frequency response; Laboratories; Magnetic recording; Magnetic separation; Phase measurement; Time measurement;
Conference_Titel :
Communications, 1996. ICC '96, Conference Record, Converging Technologies for Tomorrow's Applications. 1996 IEEE International Conference on
Conference_Location :
Dallas, TX
Print_ISBN :
0-7803-3250-4
DOI :
10.1109/ICC.1996.533664
