New method of motional feedback in loudspeakers
Consideration of the linear model of the closed type speaker. Investigation of the sound velocity and diaphragm displacement. Major features method of organizing feedback electromechanical (EMOS) in loudspeakers. The main characteristics of the feedback.
Подобные документы
A combination of adaptive feedback suppression algorithms, artificial intelligence and innovative features in ANC technology. Ensuring the effectiveness of noise reduction in various applications, consumer electronics in complex virtual environments.
статья, добавлен 25.06.2024Investigated inverse kinematic model approaches. There were analyzed pseudoinverse method, transpose of Jacobian method, damped least squares method as an optimization method. The results of the simulations show the advantages of optimization method.
статья, добавлен 28.08.2020A method of in-situ calibrating 3D magnetic sensors based on Hall devices that have linear field characteristics and are non-orthogonal, with known position of each Hall device in relation to the 3D sensor’s substrate. The method’s efficiency is proved.
статья, добавлен 20.01.2017Adaptive transmission schemes that adjust transmission parameters with respect to time-varying channels enable robust and spectrally communications. Developing the CQI by using feedback for the data transmitting. Open and closed loop spatial multiplexing.
статья, добавлен 25.11.2016Presents new and improved method of marking speech signals. The method is based on the use condition Gelder for the speech signal spectrum. Features of the method are its accuracy during decoding of the watermark and independence from the source data.
статья, добавлен 20.01.2017An iterative approach to the construction of second-order numerical methods based on the Liniger-Willaby method with minimal error of discretization is proposed. Improved time and accuracy in the process of determining the characteristics of quartz.
статья, добавлен 23.10.2020Study of the backdoor problem as a method of bypassing standard authentication procedures, organizing unauthorized remote access to a computer, to text documents, while remaining unnoticed. Analysis of modern forms and functions of backdoor invasion.
статья, добавлен 28.10.2020Finding a way to build an active eight-band equalizer to adjust the frequency response shape. Characterization of graphic equalizers based on a differential amplifier, signal composition of bandpass filters and an active filter with a feedback circuit.
статья, добавлен 12.05.2024Conventional space-vector modulation. Basics of a novel method of syznchronized pulsewidth modulation for voltage sours inverters. Main practical relevance of the proposed pulsewidth modulation method. Cancellation of undesirable common-mode voltages.
статья, добавлен 02.02.2019Research and characterization of features of the method of information transfer using perfect binary arrays, which is based on their structural and correlation properties. Transmission of discrete digital messages by means of cyclic wideband signals.
статья, добавлен 30.07.2016Are given the method of determination of angular parameters, which is used in micromechanical inertial-satellite systems, constructed by the method of compensation or based on the reduced Kalman filter. Measurement errors of angles are investigated.
статья, добавлен 22.12.2016A numerical method based on the Fourier Transform Method applications for the study of the optical waves propagating in dielectric planar waveguides. Research waveguide search wavelengths of light according to the received propagation constants.
статья, добавлен 30.07.2016Method of forming the sensitive elements of sensors magnetic field as a spinvalve type multilayer structures based on Co and Cu. The study their magnetoresistive properties. Calculation of the magnetic sensitivity of the samples with a fixed thickness.
статья, добавлен 30.07.2016Described the modern television systems and the device management. A method to support television system in an active state depending on the current performance of biometric parameters of the observer. Examines range of possible angles the user's face.
статья, добавлен 22.12.2016Current-voltage characteristics of semiconductor ultrahigh frequency diode. The detection of an electromagnetic field and measurement of its density. The equivalent scheme of the ultrahigh frequency semiconductor diode. Microwave diode, linear regression.
статья, добавлен 27.07.2016Іnvestigated the effect of channeling in the formation of JFET transistors by the method of ion doping for BiFET technology. Interest of the method in question consists in precise control of the introduction of impurities, achieving high concentrations.
статья, добавлен 08.06.2024Method for obtaining optimal signal spectra. Features of construction of optical test tables for Ultra High Definition Television (UHDTV). spectrum parameters using white type D65 source. Selection of material for colorimetric assessment quality UHDTV.
статья, добавлен 21.06.2016The article is devoted to the researches the accuracy of the measurement of range by the multifrequency phase method. The sources of error of probing signals are identified: instability of frequency probing signal, error of measurement amplitude.
статья, добавлен 27.07.2016The essence of conservative deterministic methods of determining interference. Electromagnetic compatibility of mobile services. The levels of the interference field strength at the receiver. Building a stochastic model of functioning of a station.
статья, добавлен 26.03.2016The method for assessing a channel capacity and productivity of fiber-optic communication line (FOCL) based on the DWDM technology is proposed. The interrelation between noise-immunity factors and information characteristics of FOCL is highlighted.
статья, добавлен 07.12.2016Methods of improving channels for the transmission of TV-signals. The algorithm for determining the colour gamut of a digital space. Means of determining the color of a point in the uniform color space. The properties of a adaptive model of channel.
статья, добавлен 26.03.2016Mathematical model of electrode processes in systems with amalgam electrodes of limited volume. The influence of the concentration values of the supporting electrolyte solution on the peak height of dissolution is researched. Characteristics of amalgam.
статья, добавлен 29.07.2016A novel method of digital modulation with a high spectral efficiency, called the Angle Modulated M-ary Quadrature Amplitude Modulation. The main advantage of EM-MQAM is an ability to transmit a multilevel MQAM constellation as a constant envelope signal.
статья, добавлен 13.05.2011Features of online communication, the main tools for organizing polite communication. Analysis of speech etiquette as a system of norms and rules of speech behavior. Implementation of several communication tactics. Emotional comfort in online communities.
статья, добавлен 11.03.2021Especially the use of measuring instruments for the diagnosis of energy system models that represent the stationary states in the second and third stages of the transition process. Usage of PMU for diagnostics of power system's mathematical model.
статья, добавлен 23.06.2013