نتایج جستجو برای: oscillator group
تعداد نتایج: 1008315 فیلتر نتایج به سال:
In this research, a new explanation and design crystal oscillator based on injection locking phenomenon is proposed. The crystal oscillator is viewed as a regular oscillator whereas is ac small input signal is its forced function. In this work, a crystal is considered to be a very small sinusoidal signal generator. To guarantee that the injection locking phenomenon is occurred the frequency of ...
the purpose of the present study is to find out whether bilinguals of khuzestan-arab origin or monolinguals of iranian origin code-switch during learning or speaking english and which group is more susceptible to code-switch. to this end, the students of 24 classes from high schools and pre- university centers were screened out, and interviewed and their voices and code-switchings were recorded...
the prediction of the joint angle position, especially during tremor bursts, can be useful for detecting, tracking, and forecasting tremors. thus, this research proposes a new model for predicting the wrist joint position during rhythmic bursts and inter‑burst intervals. since a tremor is an approximately rhythmic and roughly sinusoidal movement, neural oscillators have been selected to underli...
many procedures suggest for reduction of responses of riser to vortex induced vibrations (viv). natural frequencies of marine risers is an important parameter that can affect the responses of riser to viv. change of riser properties such as top tension and bending stiffness can alter natural frequencies. in this study effects of riser specifications on the responses and fatigue damage of marine...
Understanding a simple crystal oscillator transmitter circuit The transistor in common emitter configuration contributes -180 deg phase shift between base. Write short notes on (i) RC Oscillator (ii) Wien bridge Oscillator (iii) Crystal It consists of a conventional single transistor amplifier and a RC phase shift network. The wien-bridge oscillator is the standard oscillator circuit for all fr...
nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...
The synchronized oscillator composed of the plural CMOS ring oscillators is interesting for improving the performances of the oscillators. Several different circuits using the CMOS ring oscillators are discussed in this report. These are the tetrahedral oscillator, ORIGAMI oscillator, precise delay generator, braided connected oscillator, and the newly proposed oscillator embedded the pincer mo...
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