Filters
The measuring device of RF power signal
The measuring device of RF power signal with LED bar indicator. With this device we can easily determine the distance between the transmitter and receiver of the measuring equipment....
JE - Nejaderná energetika, spotřeba a užití energie
- 2016 •
- Gfunk
Rok uplatnění
Gfunk - Funkční vzorek
A Transparent Way from RF Signals to Images in Magnetic Resonance Imaging
The invited paper presents a novel and transparent model of RF signal in MRI, and, based on it, describes a way of deriving the image data from the measured signals....
JD - Využití počítačů, robotika a její aplikace
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
RF generator for the heterodyne detection in the FTMW spectrometer
by the designed RF generator. The parameters requirements on the generated signal are highFTMW spectrometry is based on the measurement of the very weak signals emitted by the measured sample gas after the termination of t...
JA - Elektronika a optoelektronika, elektrotechnika
- 2010 •
- Gfunk
Rok uplatnění
Gfunk - Funkční vzorek
RF Sensor for Detection Communication Tools Working with BPSK WCDMA Signals
RF Sensor for Detection Communication Tools Working with BPSK WCDMA Signals...
JA - Elektronika a optoelektronika, elektrotechnika
- 2006 •
- P
Rok uplatnění
P - Patent
Remote controlled 3-way HF attenuator box
Electronically controlled three-way RF attenuator is used to test controllers with RF input for band GSM, GPS and WiFi. It can be connected an external antenna or the reference signal source via connectors. By 190 0.5 dB st...
JA - Elektronika a optoelektronika, elektrotechnika
- 2013 •
- Gfunk
Rok uplatnění
Gfunk - Funkční vzorek
The human activity recognition using radio frequency signals
overview of the approaches used for this task. We also summarize the available RF signal data sources used in HAR and explain the processing and feature engineering of the RF signal data. Finally, the experimental...
Communication engineering and systems
- 2023 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Method of RF vector modulator parameters improvement by feed-forward correction
RF Vector modulator is device which can control amplitude and phase of RF signal independetly. Practical realization of the analog modulator is unfortunately very sensitive to the symmetry of I and Q signals in the...
JA - Elektronika a optoelektronika, elektrotechnika
- 2010 •
- D
Rok uplatnění
D - Stať ve sborníku
The NQR RF decoupler construction based on transformer
This paper will present some experiments with improving one of crucial parts of nuclear quadrupolar resonance (NQR) spectrometer, the RF decoupler. This part decouples the high power rf excitation signal from receiver port ...
Electrical and electronic engineering
- 2016 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Intermodulation Distortion Reduction in the Transmitter RF Power Systems Processing Multicarrier Signals
Not available...
JA - Elektronika a optoelektronika, elektrotechnika
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
The Thermal Distribution and the SAR calculation of RF Signal inside the Human Head
This paper presents a numeric finite element (FEM) analysis of the electromagnetic field penetration and a thermal effect of radiofrequency signal in structures, which represent estimates of human biological tissue. An approximate 2D FEM mod...
JA - Elektronika a optoelektronika, elektrotechnika
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
- 1 - 10 out of 33 643