Results 11 to 20 of about 4,619 (193)

AVI Transponder [PDF]

open access: yesActive and Passive Electronic Components, 1981
A newly developed AVI transponder is to be used in Automatic Vehicle Identification (AVI) system, which provides identification of moving vehicles passing by a certain location, as to its registration number, and classification etc. This AVI system is characterized by the fact that it utilizes ceramic resonators in the composition of a transponder ...
Johji Sakuragi   +2 more
doaj   +2 more sources

Physiological Relationships of the Middle and Late Post-Hatch Performance of Broilers to their Embryo and Eggshell Characteristics

open access: yesThe Journal of Poultry Science, 2013
Relationships between physiological variables of middle and late post-hatch broilers with their corresponding egg and embryo variables were examined. Sixty Ross×Ross 708 broiler hatching eggs were randomly set on each of 8 replicate tray levels of an ...
Radhakrishna Pulikanti   +4 more
doaj   +1 more source

Computer model of the transponder for the analysis of phase distortions of the signal

open access: yesКосмические аппараты и технологии, 2023
The article discusses issues related to the development of a computer model of an on-board relay complex with linear signal retransmission for the analysis of phase distortion of the signal.
A. V. Shagov   +2 more
doaj   +1 more source

Calculation and Measurement of RFID Tag Critical Frequency

open access: yesCommunications, 2013
This paper deals with undesirable phenomenon in inductively coupled RFID system, i. e. by fading out the amplitude modulation of carrier signal in RFID reader. It is caused by inaccurate tuning of RFID transponder resonant circuit.
Peter Vestenicky   +2 more
doaj   +1 more source

Systematic design and prototyping of a low‐cost passive UHF‐RFID transponder

open access: yesEngineering Reports, 2023
This paper presents a methodical design and prototyping of a passive European ultra‐high frequency (UHF) band radio frequency identification (RFID) transponder.
Benjamin Kommey   +2 more
doaj   +1 more source

Impact of Satellite Attitude on Altimetry Calibration with Microwave Transponders

open access: yesRemote Sensing, 2022
Satellite altimetry plays a key role in monitoring changes in sea level and climate change. The quality of satellite altimetry products is commonly ensured through dedicated calibration.
Costas Kokolakis   +2 more
doaj   +1 more source

Analisis kinerja penggunaan modulasi QPSK, 8PSK, 16QAM pada satelit Telkom-1

open access: yesBuletin Pos dan Telekomunikasi: Media Komunikasi Ilmiah, 2013
Pemilihan teknik modulasi menjadi salah satu hal penting yang harus dipertimbangkan karena teknik modulasi yang digunakan sangat berpengaruh besar pada alokasi power, alokasi bandwidth dan kapasitas transponder satelit.
Sri Ariyanti, Budi Agus Purwanto
doaj   +1 more source

GNSS/RFID Active Transponder Design

open access: yesAdvances in Electrical and Electronic Engineering, 2015
The paper describes a design of global navigation satellite system (GNSS)/Radio frequency identification (RFID) active transponder which is primarily designed for localization of objects as a part of localization system designated for efficient handling ...
Lukas Vojtech   +6 more
doaj   +1 more source

A Signal Matching Method of In-Orbit Calibration of Altimeter in Tracking Mode Based on Transponder

open access: yesRemote Sensing
In this paper, a matching method for altimeter and transponder signals in Sub-optimal Maximum Likelihood Estimate (SMLE) tracking mode is proposed. In the in-orbit calibration of the altimeter in SMLE tracking mode using the reconstructive transponder ...
Qingyu Fang   +10 more
doaj   +1 more source

Roll Calibration for CryoSat-2: A Comprehensive Approach

open access: yesRemote Sensing, 2021
CryoSat-2 is the first satellite mission carrying a high pulse repetition frequency radar altimeter with interferometric capability on board. Across track interferometry allows the angle to the point of closest approach to be determined by combining ...
Albert Garcia-Mondéjar   +4 more
doaj   +1 more source

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