HIGH FORCE VIBRATION TESTING WITH WIDE FREQUENCY RANGE

2013 ◽  
Vol 134 (5) ◽  
pp. 3963
Author(s):  
Edward F. Romero
Keyword(s):  
Wide Frequency Range ◽  
Frequency Range ◽  
Vibration Testing ◽  
Force Vibration

VIBRATION CHARACTERISTICS OF THE DAMPER ELEMENT COMPOSED OF ANNULAR MAGNETS AND MAGNETIC FLUID

2005 ◽  
Vol 19 (07n09) ◽  
pp. 1520-1526 ◽  
Author(s):  
S. SUDO ◽  
A. NAKAGAWA
Keyword(s):  
Magnetic Fluid ◽  
Vibration Amplitude ◽  
Permanent Magnets ◽  
Wide Frequency Range ◽  
Vibration Characteristics ◽  
Testing System ◽  
Frequency Range ◽  
Vibration Testing ◽  
Fluid System ◽  
Optical Displacement

This paper is concerned with the development of a damper with excellent characteristics. The vibration characteristics of the damper element composed of two annular permanent magnets and magnetic fluid are studied experimentally using a vibration testing system. The vibration amplitude of the upper magnet-magnetic fluid system is measured with an optical displacement detector system. It was found that the element of two annular permanent magnets adsorbed magnetic fluid is very effective over the wide frequency range.

Installation for testing electronic voltmeters over a wide frequency range

1976 ◽  
Vol 19 (10) ◽  
pp. 1525-1526
Author(s):  
A. M. Fedorov ◽  
V. V. Krestovskii ◽  
V. S. Kiselev ◽  
S. A. Razumovskii ◽  
V. A. Shcheglov
Keyword(s):  
Wide Frequency Range ◽  
Frequency Range

Analysis of Dielectric Spectra of Water with Conductive Impurities in a Wide Frequency Range

2018 ◽  
Vol 60 (11) ◽  
pp. 1893-1900 ◽  
Author(s):  
V. A. Zhuravlev ◽  
V. I. Suslyaev ◽  
A. V. Zhuravlev ◽  
E. Yu. Korovin
Keyword(s):  
Wide Frequency Range ◽  
Frequency Range ◽  
Dielectric Spectra

Methods for improving the accuracy of frequency shift estimation in 5G NR

2021 ◽  
Author(s):  
Vladimir Sergeevich Milyutin ◽  
Eugeniy Vasilevich Rogozhnikov ◽  
Kirill Petrovskiy ◽  
Dmitriy Pokamestov ◽  
Edgar Dmitriyev ◽  
...  
Keyword(s):  
Frequency Shift ◽  
High Frequency ◽  
Communication Systems ◽  
Wide Frequency Range ◽  
Wireless Communication Systems ◽  
Frequency Synchronization ◽  
Frequency Range ◽  
Transmission Rates ◽  
Synchronization Accuracy ◽  
High Order Modulation

Abstract Frequency synchronization is a necessary operation for all wireless communication systems. Due to the wide frequency range defined for 5G NR systems, this procedure becomes critical. To ensure high transmission rates and the use of high-order modulation, up to 256 QAM for 5G communication systems, it is necessary to ensure high frequency synchronization accuracy. In this article, we have reviewed various approaches to implementing frequency synchronization and proposed, in our opinion, the most effective method for correcting the frequency shift of the signal.

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