Results 31 to 40 of about 600,653 (291)
A high-efficiency RF transmitter using VCO-derived synthesis: CALLUM [PDF]
, 1998 The combined analog locked-loop universal modulator (CALLUM) is a radio-frequency (RF) transmitter topology which produces a linear output through the use of nonlinear, but highly efficient, RF power amplifiers.
Jennings, D, McGeehan, JP
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Classification Based on Machine Learning Methods for Identification of Image Matching Achievements
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), 2022 The random noise signal is widely used as a test signal to identify a physical or biological system. In particular, the Gaussian distributed white noise signal (Gaussian White Noise) is popularly used to simulate environmental noise in telecommunications
Dewi Astria Faroek +2 more
doaj +1 more source
Optimizations of sub-100 nm Si/SiGe MODFETs for high linearity RF applications [PDF]
, 2003 Based on careful calibration in respect of 70 nm n-type strained Si channel S/SiGe modulation doped FETs (MODFETs) fabricated by Daimler Chrysler, numerical simulations have been used to study the impact of the device geometry and various doping ...
Watling, J. R. +8 more
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برآورد سطح تاج پوشش جنگل های شهری با استفاده از روش های نا پارامتری و داده های GeoEye-1 (مقایسه ی الگوریتم های BRT و RF) [PDF]
پژوهش های علوم و فناوری چوب و جنگل, 2014 تاج پوشش جنگل واسطه¬ی تبادلات حرکتی، توده¬ای و انرژی بین اتمسفر و جنگل می¬باشد. اندازه¬ی تاج درخت معیاری از ساختار تاج پوشش است که به صورت معنی¬دار تحت تأثیر فرایندهای زیستی_فیزیکی در تاج پوشش است.
پری گلشنی +2 more
doaj
Characterization of a COTS-Based RF Receiver for Cubesat Applications
Sensors, 2020 This paper reports the experimental results of a test campaign performed on the radio-frequency (RF) receiver prototype operating at a 2025−2110 MHz frequency range, designed and fabricated for CubeSat applications.
Antonio Lovascio +2 more
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ОХУ: Хүний хөгжлийн бодлого ба соёлын хөгжлийн хүчин зүйл
Олон улс судлал, 2013 Алив соёлын хөгжлийн үйл явц нь тухайн төр улсын бүтцийн задрал болон улс төрийн дэглэмийн уналт буюу өөрчлөлтөөр тасран саатдаггүй. Тэр л жам ёсоор Орос орны соёлын хөгжил явагдаж байгаа онцлогтой.
Мандухай Х
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Meikuang Anquan, 2023 Conventional inorganic hydrochemical parameters are difficult to distinguish the water source of coal seam roof water gushing in some mine fields. In order to solve this problem, a mine field in Yuheng Mining Area is taken as the research area.
Junqing SUN +5 more
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Anti-crisis Measures of the Federal Government in the Energy Sector [PDF]
Научно-аналитический вестник Института Европы РАН, 2022 The article analyzes the deterioration in the situation in the German energy sector that began in 2021 and continued in 2022. It was complemented by a significant intensification of the crisis surrounding Ukraine.
Belov, V.B.
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On the investigation of a reliable actuation control method for ohmic RF MEMS switches [PDF]
, 2011 This is a post-print version of the article. The official published version can be accessed from the link below - Copyright @ 2011 ElsevierEfficient control of RF MEMS switches is a very important issue as it is correlated to main failure mechanisms ...
Nilavalan, R +3 more
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RF-Adaboost model’s structure.
, 2023 Analyzing customers’ characteristics and giving the early warning of customer churn based on machine learning algorithms, can help enterprises provide targeted marketing strategies and personalized services, and save a lot of operating costs.
Xiaochen Sun (120336) +3 more
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