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notch filter
Compared with the notch filter and the Least Mean Square (LMS) adaptive filter in previous literatures, the proposed method is more computationally efficient with satisfactory suppression results.
      
Using the method of SA and considering the variance of refractive index as the readout wavelength changes, a practiced notch filter can be designed and the period of the filter is discussed.
      
A novel algorithm of adaptive IIR lattice notch filter and performance analysis
      
A novel adaptive algorithm of IIR lattice notch filter realized by all-pass filter is presented.
      
Two first order and one second order all-pass filters and a notch filter (tunable if current controlled conveyor CCCII is used) are extracted from the proposed configuration.
      
Modified Notch Filter-based Instantaneous Phasor Estimation for High-speed Distance Protection
      
The method uses a modified notch filter in order to eliminate the fundamental frequency component from the fault current signal.
      
Since the output of the modified notch filter is the delayed DC-offset, delay compensation results in the same waveform as the original DC-offset.
      
An adaptive notch filter for suppressing mechanical resonance in high track density disk drives
      
In disk drive servo system, a notch filter is usually used to suppress mechanical resonance of an actuator.
      
In this paper, we present an adaptive digital notch filter that can identify the resonance frequency of the actuator quickly and can adjust automatically its center frequency.
      
Impact of notch filter use on waveforms of First- and Second-Order-Kernel responses from multifocal ERGs
      
In this study, the effects of a 50 Hz notch filter were assessed for both First-Order-Kernel- (FOK) and Second-Order-Kernel-responses (SOK 1st slice) from multifocal ERGs recorded with a VERIS III system.
      
Amplitude and phase responses of the amplifier section were recorded for typical filter settings with the notch filter active and inactive.
      
To verify the results, the recordings without the notch filter were digitally filtered with a simulated notch filter and compared to the responses recorded with an active analog notch filter.
      
This approach is termed noise cancellation and does not constitute any form of notch filter: the fidelity of the underlying waveform is preserved.
      
Simple self-tuned notch filter in a bio-potential amplifier
      
A fast recursive-least-squares adaptive notch filter and its applications to biomedical signals
      
A fast recursive-least-squares (FRLS) adaptive notch filter (ANF) for cancellation of sinusoidal interference from recorded biomedical signals is investigated.
      
The first was a simple second-order recursive digital notch filter.
      
 

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