In this paper a criterion for optimal choice of the maximum sidelobe decay window used in the interpolated discrete Fourier transform (IpDFT) method for estimating the parameters of a sine-wave is proposed. The window chosen by the proposed criterion is the window with the lowest order, which ensures that the systematic errors that affect the sine-wave parameters estimates are very small compar...

The Sine-Gordon equation in (1+3) dimensions has N-traveling front ("kink", "domain wall")- solutions for all N ≥ 1. A nonlinear functional of the solution, which vanishes on a single-front, maps multi-front solutions onto sets of infinitely long, but laterally bounded, rods, which move in space. Each rod is localized in the vicinity of the intersection of two Sine-Gordon fronts. The rod system...

Vergence eye movements were elicited in human subjects at short latencies (approximately 70 ms) by applying binocular disparities briefly (200 ms) to large grating patterns (46 degrees wide, 35 degrees high). The positions of both eyes were recorded with the electromagnetic search coil technique. Using a dichoptic viewing arrangement (Wheatstone stereoscope), each eye viewed two overlapping 1-D...

This paper deals with some fundamental properties of the sine-wave fit algorithm included in IEEE Standards 1057 and 1241. Asymptotic Cramér-Rao bounds for threeand four model parameters are derived under the Gaussian assumption. Further, the sine-wave fitting properties of the algorithm are analyzed by the parsimony principle. A decision criterion whether to use the threeor four parameter mode...

This paper presents a novel low complexity, frequency domain algorithm for reconstruction of speech from the melfrequency cepstral coe cients (MFCC), commonly used by speech recognition systems, and the pitch frequency values. The reconstruction technique is based on the sinusoidal speech representation. A set of sine-wave frequencies is derived using the pitch frequency and voicing decisions, ...

Consider a sine wave analog signal like the red line in the image below. This particular sine wave has a DC bias of 7.5 Volts and an amplitude of +/7.5 Volts, creating a signal that oscillates between 0 and 15 Volts. An analog-to-digital converter discretizes the analog signal, yielding a digital number that represents the amplitude of the signal. The image below shows how the size wave might b...

The market for process instruments generally requires low cost devices that are robust, small in size, portable, and usable in-plant. Ultrasonic torsional guided wave sensors have received much attention by researchers for measurement of viscosity and/or density of fluids in recent years. The supporting electronic systems for these sensors providing many different settings of sine-wave signals ...

This paper gives the theory and experimental results for a current-source parallel-resonant inverter employed for induction heating. The analysis is performed in the frequency domain using Fourier series techniques to predict output power, efficiency, dc-to-ac voltage transfer function, and component voltage and current stresses. The inverter consists of four switches, a large choke inductor, a...

Relationships between artefacts in recorded intracardiac pulses and the dynamic response and susceptibility of catheter-manometer systems to artefacts caused by motion of the catheter were investigated. Sine-wave motions of the catheter, resembling motion frequently seen when the catheter is in the pulmonary artery, produce sine-wave pressure variations with peak-to-peak amplitudes of 10 mm. Hg...