Postgraduate Student at the Multi-band graphic equaliser based on gyrators
Finding 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.
Подобные документы
Examinations of the pulses envelopes scattered on several micror-esonator band-stop filters in optical transmission line. The possibilities of pulses time manipulation with various carrier frequencies. Approaches to indistinguishable pulses separation.
статья, добавлен 29.01.2017A broadband coherent orthomode converter based on a coaxial four-ribbed waveguide for a frequency band of 3.4-5.4 GHz was developed. Each element of the design was separately optimized with CST Microwave Studio. Final modeling of characteristics.
статья, добавлен 29.09.2016- 3. The frequency-locked loop system of the narrow-band follow-up voltage-controlled oscillator filter
Astatic system of the frequency-locked loop with improved noise immunity. Increasing noise immunity by applying radiopulses convert the spectrum of the input harmonic signal. Implementation radiopulses Converter of the spectrum of the harmonic signal.
статья, добавлен 14.08.2016 Characteristics of different flat multi-band antennas, their purpose, features of the production, and measurement. Description of antenna parameters, their advantages and disadvantages. The results of the modal and full-wave analysis of antennas.
контрольная работа, добавлен 05.04.2015Development of a method of transmission based on systems with decision feedback and the timer signal designs with the fix part of the error interval of the "good" state equation as. The definition of the boundary conditions of its use and effectiveness.
статья, добавлен 26.03.2016Development and justification of new methods for tracking the frequency of a harmonic acceleration signal based on estimates of the instantaneous frequency and phase. Ways to improve the efficiency of new systems, assess their advantages, disadvantages.
статья, добавлен 14.09.2016Dielectric waveguide applications. An electrodynamic problem for band pass filter on the base of coupled dielectric waveguides. Reducing a problem to an integral equation. Development of microwave components on the base of dielectric waveguides.
статья, добавлен 04.11.2018Tools of the trade. Ideas about electricity. Farad as the capacitance value. ICs, oscillators and filters. The aircuit of the astable multi-vibrator circuit. Diods as the simplest component in the range of devices. Voila as a diode characteristic curve.
учебное пособие, добавлен 25.11.2013Physics principles of a new type of microwave input amplifiers. Low noise level, broad band, switchable gain, super high self-protection against microwave overloads, rapid recovery and small DC consumption of a cyclotron wave electrostatic amplifier.
статья, добавлен 04.11.2018Familiarization with the concept of field-effect transistors. Laying out circuit boards and mounting RF devices. Classes of operation, forms of modulation, biasing, and operating in a pulse mode. The basic factors affecting low power amplifier design.
учебное пособие, добавлен 25.11.2013Presents 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 20.01.2017The higher frequency bands in satellite telecommunication systems and in astronomy. Design of the Orthomode Transducer. The Optimized Right-Angle Coaxial Junction. Problem of development of multiband feeds for reflector an-tennas in wide frequency ranges.
статья, добавлен 27.07.2016An 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 23.10.2020A 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 25.06.2024- 15. Research on noise reduction technology of blade-icing signal based on acoustic emission technology
Using wavelet analysis with five-level decomposition to suppress noise in the signal of icing of wind turbine blades using acoustic emission. Extraction of information about the presence of icing using the signal energy at the second decomposition level.
статья, добавлен 30.08.2021 Mathematical approach to problems in signal interpretation with using the methods for texture identification, segmentation, template matching, pattern recognition. Fundamental basics about analog and discrete signals, linear systems, Fourier transforms.
книга, добавлен 25.11.2013The first tunable Resonant Cavity Enhanced Detectors for the mid-infrared spectral range are reported. The advantage in the RCED configuration compared to a passive band-pass filter in front of a conventional broadband photodetector is the reduced noise.
статья, добавлен 28.06.2013Research 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 30.07.2016The role and significance of attenuation by vegetation in remote sensing. The model of vegetation as a continuous medium. Effective dielectric constant of vegetation. Methods of measurements of attenuation. The directions of future research needs.
статья, добавлен 04.11.2018A direct digital frequency synthesizer in modern electronic devices. Criteria of reliability the communication systems. The most promising radio transmission system. Brief introduction of arithmetic operations in digital synthesizer radio signals.
статья, добавлен 26.03.2016The theoretical principles of mobile application design development are analyzed. The method of creating a design of a mobile application for people who lead an active lifestyle is proposed. The need to develop a detailed prototype of the final product.
статья, добавлен 06.06.2023Analysis of the occurrence of specific situations in flight. Consideration of the process of applying the methods of system control surfaces to prevent a catastrophic situation in the transition. The study of active fault tolerant control scheme system.
статья, добавлен 26.06.2016Familiarization with the scheme of passive and active transducer with mode of preset voltage. Characterization electric models of capacitive sensors at alternating current. Analysis of electrophysical parameters monitoring of nonelectric products.
статья, добавлен 30.01.2016Analysis of the distribution of the electric field within the space bounded by the annular border on the basis of the theory of singular integral equations in problem of pairing. Formulas for determination of the electric field in the active zone.
статья, добавлен 29.07.2016The development and evaluation of a neural network-based method for iris-based personal identification. Development of a new method for generating feature representations with using pre-trained convolutional neural networks for iris classification.
статья, добавлен 08.12.2024