scispace - formally typeset
Search or ask a question

What is the average energy of electromagnetic radiation from telecommunication at ground level in a city? 


Best insight from top research papers

The average energy of electromagnetic radiation from telecommunication at ground level in a city depends on various factors such as the frequency range and the specific location. Studies have been conducted to evaluate the electromagnetic pollution in different frequency ranges and locations. The investigations have considered the amplitude and phase of millimeter-wave beams in the transition zone between the geometrical-optic and the far-field zones . Measurement campaigns have been carried out to assess the electromagnetic pollution in the 700MHz-1000MHz frequency range in the central area of Cluj-Napoca . Additionally, measurements have been made to document the existing levels of electromagnetic energy associated with various radio transmission systems, including microwave radio, high frequency radio, tropospheric scatter, earth-satellite, and microwave radio relay . The results of these studies indicate that the average radiation levels at the measured locations were very low and in compliance with the exposure limits set by regulatory standards .

Answers from top 5 papers

More filters
Papers (5)Insight
The average energy of electromagnetic radiation from telecommunication at ground level in a city is not mentioned in the provided information.
The average energy of electromagnetic radiation from telecommunication at ground level in a city is very low and within the exposure limits set by the Malaysian Communications and Multimedia Commission.
The paper does not provide specific information about the average energy of electromagnetic radiation from telecommunication at ground level in a city.
The paper does not provide the average energy of electromagnetic radiation from telecommunication at ground level in a city.
The average energy of electromagnetic radiation from telecommunication at ground level in a city is not mentioned in the provided information.

Related Questions

How much of the world's energy is transmitted over subseea cables?5 answersApproximately 99% of international trade and a significant portion of the world's energy are transmitted through submarine cables. The concept of Global Energy Interconnection (GEI) emphasizes the integration of large-scale renewable energy sources, often located in depopulated areas like the sea region and the North Pole, with the load centers through submarine power cables. As the demand for power continues to rise globally, with an expected three-fold increase in power consumption by the year 2000, submarine cables play a crucial role in supporting the transmission of energy across regions and continents. To facilitate long-distance energy transmission, the development of ultrahigh-voltage direct current (UHVDC) submarine cables is essential, with key technical and economic indices defined to meet the requirements of the GEI backbone network.
How does the microwave radiation happen in telecommunication area?5 answersMicrowave radiation in the telecommunication area occurs through various methods and devices. RF-modulated electron beams interacting with materials like aluminum, lead, or concrete induce microwave signals in detectors nearby, showcasing the production and propagation of RF in accelerator facilities. Devices for generating microwave radiation utilize voltage pulses to prevent electric flashovers, ensuring efficient operation. The method involves introducing microwave radiation through a coaxial line into an applicator for delivery by a rod-like antenna, minimizing energy dissipation and heat output. To effectively generate microwave radiation while reducing risks to surrounding organisms, directional antennas are recommended for transmitting electromagnetic energy in the microwave range. RF microwave connectors for telecommunication use specific designs like clamping sections to stably connect coaxial cables for efficient signal transmission.
How much energy can be generated from electronic waste?5 answersElectronic waste can be a valuable source of energy. Research indicates that the average heat value for electronic waste is approximately 30,872.42 kJ/kg or 7,375 kcal/kg, showcasing its potential as a source of energy. Various technologies exist to convert waste into energy, such as incineration, gasification, plasma arc gasification, pyrolysis, and anaerobic digestion, with efficiencies ranging from 20-40%. Additionally, utilizing recycled aluminum foil as an energy-harvester unit can yield around 5.34 μW of power from waste electromagnetic energy, demonstrating the feasibility of harvesting energy from waste resources for low-power electronics and self-powered devices. Overall, electronic waste presents a significant opportunity to generate energy through innovative recycling and energy-harvesting methods, contributing to sustainable energy solutions.
What are the effects of lightning on telecommunication installations?5 answersLightning can have various effects on telecommunication installations. It can cause transient currents and voltages in the lightning protection systems (LPS) and the ground system, which can be simulated using computer models such as TLM and FDTD methods. The electromagnetic fields produced by lightning can illuminate telecommunication lines and induce overvoltages, which can be detrimental to the connected equipment. The magnitude and waveshape of these fields and induced voltages are influenced by the finite conductivity of the ground. Experimental results and computer simulations have been used to study induced voltages and currents on telecommunications cables, considering different configurations and effects such as strand wire and shielding. Electromagnetic compatibility (EMC) analysis can be performed to determine the magnetic and electric fields inside telecommunication buildings struck by lightning, considering potential points of strike and the resulting lightning-induced overvoltages.
How do earthquake impact telecommunications companie?5 answersEarthquakes can have a significant impact on telecommunications companies. The spatial clustering and correlation of earthquake epicenters and telecommunications infrastructure in Nepal were examined in multiple studies. It was found that the epicenters of earthquakes and base stations of telecommunications systems were generally clustered, but the cluster patterns declined over distance. The telecommunication system is not built to accommodate everyone making a call at the same time, leading to a perception of system failure even if there are no physical damages. Damage to city supply systems, including telecommunications, has been observed in past earthquakes, highlighting the importance of seismic safety for telecommunication facilities. The reliability of telecommunication systems following a major earthquake is crucial, as even a one-minute interruption in service can disrupt affected communities.
What are the factors that affect the affordability of electricity in cities?5 answersThe factors that affect the affordability of electricity in cities include urban density, demography, economic activities, energy context, and the growth of urban population. Increasing urban density has been suggested as a way to reduce city energy consumption. The study on Canadian cities found a relationship between annual electricity consumption per capita and variables related to urban density, demography, and economic activities. Additionally, the study on ASEAN countries found that rapid growth of urban population has a significant impact on electricity consumption. Other factors such as industrial structure and financial development also influence electricity consumption in ASEAN countries. These findings suggest the need for governments to explore new energy sources to meet the increased demand for electricity while balancing environmental sustainability.