anti-aliasing
Anti-aliasing with stratified B-spline filters of arbitrary degree
... several anti-aliasing ...the anti-aliased pixel in- ...any aliasing artifacts that might still remain into ...Carlo anti-aliasing, expressed by formula (3), with samples that ...
11
A Low Power and High Bandwidth Gm-C Anti Aliasing Filter for DAB Receivers
... The 4 th – order butterworth Gm-C low-pass filter using the proposed transconductore is simulated in a 0.18µm CMOS process. In this project, we have minimized the power consumption and maximized the cut-off frequency of ...
5
Literature Survey on Applications of Digital Signal Processing using Anti- Aliasing and Anti-Imaging Filters
... The nonrecursive structure is realized by cascading log 2 M identical filters 1 z 1 K each down-sampled by a factor of 2 [3]–[8]. The use of the nonrecursive structure reduces the power consumption and increases ...
5
The effects of anti aliasing filters on system identification : a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology in Production Technology Department at Massey University
... The objectives were to: 1 Choose systems with different natural frequencies 2 Simulate these systems 3 Apply a PRBS Pseudo Random Binary Sequence input and log the output 4 Sample this d[r] ...
140
A test for the absence of aliasing or white noise in locally stationary wavelet time series
... describe aliasing, but provide no advice about detecting or locating ...low-pass anti-aliasing filter prior to sampling, to ensure that the highest frequency in the filtered series is below the ...
16
Control of a pendulum using extended Kalman filtering
... 59 3.1 Sampled measurement noise representation 66 3.2 Anti-aliasing filter frequency response 67 3.3 True 3.4 LKF state estimation errors with encoder measurements 70 3.5 EKFl state est[r] ...
144
Digital chromatic dispersion compensation in coherent transmission system using a time domain filter
... The CD equalization for 20 km and 600 km fibers using the FD-FIR filter with different number of taps are illustrated in Fig. 2. The results indicate that the filter achieves the best performance when employing the tap ...
5
A Fully Digital Front End Architecture for ECG Acquisition System with Low Voltage Supply
... A programmable-gain amplifier (PGA) is an electronic amplifier (typically an operational amplifier) whose gain can be controlled by external digital or analog signals. The gain can be set from less than 1V/V to over ...
5
Scalable Power and Bandwidth Manipulations with SAR ADC
... ABSTRACT: A successive approximation register analog to digital converter (ADC) with a fixed anti aliasing frequency that allows tradeoffs between power consumption and signal bandwidth is presented. The ...
8
Design and Simulation of 1-Bit Sigma–Delta ADC Using Ngspice Tool
... for anti-aliasing filters at the input to ADCs like Nyquist rate ADCs Compared with other ADCs the analog circuitry of Sigma-Delta ADC (Σ-Δ ADC ) is simpler and easier to be ...
5
Software Design of Digital Receiver using FPGA
... the Anti-Aliasing Filter to remove the Aliasing effect, High speed A/D Converter (LTC2107) by Linear Technology and an ADC Driver (LTC6409) again by Linear Technology which is sampled using Band pass ...
5
Spatial aliasing for efficient direction of arrival estimation based on steering vector reconstruction
... spatial aliasing (also known as ambiguous DOAs) in the ML ...spatial aliasing is used to highly compress the full grid search into small angular sectors to reduce significant computational burden, and ...
8
An Advanced Image Denoising Using Low Rank Matrix Decomposition for Multi-Channel Parallel MRI
... residual aliasing artifacts and has a sparse structure, matrix N indicates random image noise that is generally introduced in the acquisition phase and amplified in the pMRI reconstruction process [4], ...
7
Parameter estimation and error calibration for multi-channel beam-steering SAR systems
... To resolve these challenges, several imaging algorithms have been proposed [14–17], including use of sub-aperture blocking and filter reconstruction [14], a full-aperture algorithm which combines derotation and a ...
29
Power Doppler Vocal Fremitus Breast Sonography: Differential Diagnosis with a New Classification Scheme—Power Doppler Vocal Fremitus Examination of Breast Lesions
... The lesions with homogenous color aliasing during phonation and lesions with no aliasing were detected to be benign in nature. Totally, 25 lesions displayed no fremitus throughout the examination (12 simple ...
10
Design of M Band NPR Cosine Modulated Filterbank Using IFIR Technique
... The accuracy of the first approximation gives aliasing and accuracy of the second gives the reconstruction error. The phase error can be eliminating completely by using linear phase prototype filter. Other two ...
9
High resolution acoustic surveys with diving gliders come at a cost of aliasing moving targets
... The aliasing of targets due to the slow horizontal speed of the vehicle can cause significant error under survey ...to aliasing of tar- gets is for the glider to travel faster into currents using an ...
19
Learning Temporal Dynamics of Human-Robot Interactions from Demonstrations
... During execution, the TRL is used to select the action that will be performed next in the human-robot interaction. This policy selection process is governed by the temporal structure of the task, which allows the TRL to ...
66
A novel aliasing free subband information fusion approach for wideband sparse spectral estimation
... When the inter-spacing of the ULA is expanded 100 times, the phenomenon of spatial aliasing appears for MUSIC and WCMSR algorithms, yet the MD/MM and SIF-OMP methods do not suffer spatial aliasing prob- ...
13
Measuring performance limits of subband adaptive systems
... Aliasing caused in such filter banks presents a distortion to the subband adaptive system whichforms a lower limit for the minimum mean squared error The accuracy of the achievable model[r] ...
6