Results 51 to 60 of about 465 (83)

High Power Effects in Microwave Filters for Space Applications [PDF]

open access: yes
[ES] Las tendencias actuales en los sistemas de comunicaciones por satélite, que implican la operación en entornos multiportadora, a frecuencias cada vez más elevadas y con mayores exigencias en términos de capacidad de transmisión, hacen necesaria la ...
González Santatecla, Pablo
core   +1 more source

Passive Intermodulation Due to Conductor Surface Roughness [PDF]

open access: yes, 2018
The physical mechanism of the experimentally observed dependence of passive intermodulation (PIM) in printed circuits on conductor surface roughness is studied.
Ansuinelli, Paolo   +3 more
core   +1 more source

Spacecraft Antennas [PDF]

open access: yes, 1990
Some of the various categories of issues that must be considered in the selection and design of spacecraft antennas for a Personal Access Satellite System (PASS) are addressed, and parametric studies for some of the antenna concepts to help the system ...
Cramer, Paul   +3 more
core   +1 more source

Phase Effects on Combined Passive Intermodulation From Multiple Sources [PDF]

open access: yes
Signal distortion caused by passive intermodulation (PIM) poses a significant challenge to modern multicarrier communications and radar systems. This article is concerned with modeling the superposition of reverse PIM products generated by weak nonlinear
Dayan, Amir   +6 more
core   +1 more source

Analysis and design of an intra-coaxial reflected-power telemetry system [PDF]

open access: yes, 2010
Failures of connectors used in radio frequency (RF) systems cost the telecom industry, mainly cellular phone providers, billions of dollars annually. This cost is incurred because the integrity of the connectors cannot currently be monitored in-system ...
Kemp, Jeffrey
core   +1 more source

Non-Linearity Modeling and Quantifications for Practical Rf Interference Control [PDF]

open access: yes
Radio frequency (RF) interference can degrade the receiving sensitivity of antennas (desense problem). It is essential to model the nonlinearity as it is the root-cause of the unwanted frequency components. Understanding the electromagnetic (EM) coupling
Xia, Shengxuan
core   +1 more source

Passiivinen intermodulaatio suuritehoisissa radiolähetin-vastaanottimissa [PDF]

open access: yes, 2016
Passive intermodulation (PIM) is a phenomenon which occurs when at least two signals are fed into a nonlinear passive device or circuit. Sources for PIM can be divided into two groups, nonlinearities in metal junctions and nonlinear materials.
Jokinen, Juhani
core  

Intermodulation Interference Detection in 6G Networks: A Machine Learning Approach

open access: yes, 2022
This paper demonstrates the use of machine learning to detect the presence of intermodulation interference across several wireless carriers. We show a salient characteristic of intermodulation interference and propose a machine learning based algorithm ...
Mismar, Faris B.
core  

Analysis and Visualization of Uplink Interference in LTE and 5G Networks Using RIP Counters [PDF]

open access: yes
This thesis presents the design and development of a Python based application utilizing Received Interference Power counters to analyze and visualize uplink interference in LTE and 5G networks, commissioned by Nokia Solutions and Networks Oy. The program
Kayastha, Abhinav
core  

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