Results 1 to 10 of about 417,505 (259)

Frequency Transformation in the Auditory Lemniscal Thalamocortical System. [PDF]

open access: yesFrontiers in Neural Circuits, 2014
The auditory lemniscal thalamocortical (TC) pathway conveys information from the ventral division of the medial geniculate body to the primary auditory cortex (A1).
Kazuo eImaizumi, Charles C Lee
doaj   +2 more sources

Design and Implementation of Microwave Dual-Band Pass Interdigital Filter Using an Analytical Approach

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2022
In this paper, benefiting from frequency transformation between the normalized frequency domain of low-pass prototype frequencies and the real frequency domain of the filter, a purely analytical procedure for dual-band filter design is used. The coupling
Moutaz Albik   +3 more
doaj   +1 more source

Time‐frequency synchroextracting transform [PDF]

open access: yesIET Signal Processing, 2021
Abstract The study proposes a novel time‐frequency analysis technique, titled time‐frequency synchroextracting transform which enhances the accuracy of synchroextracting transform. The synchroextracting transform is a powerful postprocessing method that sharpens the energy distribution of spectrogram.
Ran Zhang   +6 more
openaire   +2 more sources

The Rough Prototype and Fine Tuning (RP-FT) Method for Multiband Bandpass Filter Synthesis

open access: yesIEEE Access, 2023
Nowadays, various new communication technologies operating in different frequency bands emerge constantly. There is a trend to integrate more than one of them into single system, for optimizing whole system performance and volume. As an important circuit
Rihan Wu   +5 more
doaj   +1 more source

Research on the Method of Composing Very Low Frequency Signals Based on the Staggered Array

open access: yesLeida xuebao, 2020
The Very Low Frequency (VLF) signal of 10 kHz has strong penetrability of ground objects. Because of the antenna size, its application is limited. Therefore, it is important to study the VLF signal generation method based on appropriately sized high ...
Anjing CUI   +4 more
doaj   +1 more source

Feasibility Study on Frequency Conversion Transformation of Electric Feedwater Pump in Nuclear Power Plant [PDF]

open access: yesE3S Web of Conferences, 2023
In order to study the feasibility of frequency conversion of electric feedwater pump in nuclear power plant, and to provide reference for the improvement of electric feedwater pump in nuclear power plant and new nuclear power plant, this paper discusses ...
Zheng Dengke
doaj   +1 more source

The analysis of conditions for preservation of gain-frequency and phase-frequency characteristics optimality under analog and digital filters transformation

open access: yesРоссийский технологический журнал, 2020
Prototype filters have wide usage for the design of filters with required quality indexes (QI) of gain-frequency response (GFR). The designed filter is obtained from a prototype filter b means of frequency transformation, which preserves these QI.
A. V. Smirnov
doaj   +1 more source

Agrobacterial Transformation Enhancement by Improved Competent Cell Preparation and Optimized Electroporation

open access: yesLife, 2023
The introduction of plasmids into Agrobacterium cells is one of the key steps in the Agrobacterium-mediated transformation of plants for gene editing applications.
Xiang Liu   +6 more
doaj   +1 more source

Optimisation of plant tissue culture conditions in a popular semi-dwarf indica rice cultivar ADT 39 for effective Agrobacterium-mediated transformation

open access: yesElectronic Journal of Plant Breeding, 2021
The in vitro culture conditions plays a critical role in promoting callus and shoot induction in rice during Agrobacterium-mediated transformation.
Kausalya Sakthivel1, K. K. Kumar1, S. Varanavasiappan1, L. Arul1, D. Sudhakar1, R. Saraswati2 and E. Kokiladevi1*
doaj   +1 more source

Triple Frequency Impedance Matching by Frequency Transformation [PDF]

open access: yesIETE Journal of Education Online, 2014
S C Dutta Roy
exaly   +2 more sources

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