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70 101 (0,157s)

Výsledek výzkumu

Transition analysis during phase change of excitation signal of narrowband ultrasonic transducers

or to optimize modulation for selected piezoelectric transducer.This paper is focused on measuring and simulating behaviour of piezoelectric resonators during phase change of excitation signal. The purposes of thi...

Electrical engineering, Electronic engineering, Information engineering

  • 2024
  • D
  • Odkaz
Výsledek výzkumu

Response Analysis of a Piezoelectric Ceramic Transducer Pair Excited by Phase-Modulated Signals for Improved Echo Measurement

the phase change of the intra-impulse modulated signal of the system, which is composed of a pair of piezoelectric ceramic transducers. In the introductory part, this article signal with phase modulation ...

Electrical and electronic engineering

  • 2024
  • Jimp
  • Odkaz
Výsledek výzkumu

Efficient Modulation and Processing Method for Closed-Loop Fiber Optic Gyroscope with Piezoelectric Modulator

This paper presents a simple method for compensating the Sagnac phase shift in an interferometric fiber-optic gyroscope (I-FOG) with a piezoelectric modulator. The common an electro-optic modulator, all-fiber archi...

Electrical and electronic engineering

  • 2019
  • Jimp
  • Odkaz
Výsledek výzkumu

Scale-Factor Stability Control Technique for Closed-Loop All-Fiber Interferometric Optical Gyroscope

and modulation depth control in a lowcost all-fiber interferometric gyroscope utilizing a piezoelectric phase modulator to perform modulation for biasing as well as compensation of the Sagnac phase

Automation and control systems

  • 2021
  • D
  • Odkaz
Výsledek výzkumu

Module with piezoelectric transformer

The module is intended for demonstration of the function and features of the piezoelectric transformer. The module uses the piezoelectric transformer working in radial vibration mode....

JA - Elektronika a optoelektronika, elektrotechnika

  • 2016
  • Gfunk
  • Odkaz
Výsledek výzkumu

CLOSED-LOOP INTERFEROMETRIC FIBER-OPTIC GYROSCOPE WITH UNPOLARIZED LIGHT

operation with slow piezoelectric phase modulator was found, yielding signi? cant...

Electrical and electronic engineering

  • 2016
  • O
Výsledek výzkumu

Scanning Double-Beam Laser Interferometer with Loop-Back Compensation and Phase Stabilization

-loop phase shift compensation via an electro-optical modulator to stabilize the random phase drift as well as to compensate the harmonic sample-induced phase shiftAn accurate characterization of piezoelectric<...

Electrical and electronic engineering

  • 2019
  • D
  • Odkaz
Výsledek výzkumu

Intelligent distance measuring module using ultrasonic piezoelectric ceramic transducers

The paper deals with a complete design of a distance measuring module using commercially available piezoelectric ceramic transducers. Uniqueness of this module is harmonic signal generation, automatic frequency and amplitud...

Electrical and electronic engineering

  • 2020
  • Jimp
  • Odkaz
Výsledek výzkumu

Module for signal processing and closed-loop modulation control of interferometric fiber optic angular rate sensor

The module is a key component of an fiber optical angular rate sensor operating on the principle of the Sagnac effect and is used for electrical processing of signals from the optical detector and generation of modulation signals fo...

Electrical and electronic engineering

  • 2021
  • Gfunk
  • Odkaz
Výsledek výzkumu

Phase-Coded Modulation Based Time-of-Flight Measurement Improvement for Piezoelectric Ceramic Transducers

experimentally, where 1000 measurements of each code and modulation schemes took place results were produced by Quadriphase codes and codes with implemented fluent phase......

Electrical and electronic engineering

  • 2020
  • Jimp
  • Odkaz
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