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$45 USD / jam
Bendera ARMENIA
yerevan, armenia
$45 USD / jam
Sekarang jam 12:56 PG di sini
Menyertai April 22, 2015
0 Cadangan

Grigor B.

@babayangrigor

4.7 (2 ulasan)
1.5
1.5
100%
100%
$45 USD / jam
Bendera ARMENIA
yerevan, armenia
$45 USD / jam
100%
Pekerjaan Disiapkan
43%
Mengikut Bajet
100%
Tepat Pada Masa
N/A
Kadar Upah Semula

Hardware and software engineer

I'm a PHD with a specialization Control and Automation. I've experience of developing digital and analog circuits, PCB design, programming on controllers, C++ and LabView. You can see my projects by these links: [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL]

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Ulasan

Perubahan disimpan
Menunjukkan 1 - 2 daripada 2 ulasan
Tapis ulasan mengikut:
5.0
€30.00 EUR
Grigor is a professional, nice, smart, and honest. He understands everything quickly and offer great ideas and high availability.
Avatar Pengguna
Bendera Franck H.
@buenoos
5 tahun yang lalu
4.4
$25.00 USD
Good reliable freelancer. Delivered on time and on budget.
Electronics
PCB Layout
Circuit Design
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Bendera Adrien P.
@elcbuy
8 tahun yang lalu

Kelayakan

CLD

National Instruments
2012
Certified LabView developer

CLAD

National Instruments
2009
Certified LabView Associate Developer

Penerbitan

Analysis of Communication Channels Vulnerability From Listeniing Guaranteed by Band-Frequency Scramblers

Newsletter of State Engineering University of Armenia
Features of various scramblers which use only frequency transformation are considered. Recommendations of using analog scramblers for estimating it's vulnerability category for communication channels are proposed.

Multimeter Method of Estimating the Similarity of the compared Frames of Speech Signal

Proceedings of Engineering academy of Armenia
Three methods of estimating the degree of similarity of the compared frames of speech signal are examined: parametric, correlated and linear prediction which are based on a signal’s peculiarities of spectral and wave representation. A comparative evaluation of its effectiveness is represented from the point of view of the results of the comparative truthfulness of two segments. A multimeter estimating method is proved through the example of checking its effectiveness for the restoration of real phonograms d

Speech fragment identification by means of integrated comparison criterion of momentary spectrums of speech signal

Information Technologies and Management
A simple voiced fragment identification method is proposed, by means of comparison of their momentary spectrum by minimal discrepancy of spectrum elements, having various information value. It is formulated integrated comparison criterion of momentary spectrums, taking into consideration “weight” of elements in accordance with their significance in identification of spectrum “image”. A “weight” defining method for each spectrum’s element in integrated criterion formula is given

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