EC0322 – MICROWAVE AND OPTICAL COMMUNICATION LABORATORY MANUAL DEPARTMENT OF ELECTRONICS AND COMMUNICATION RAMPURAM CAMPUS LAB HANDLERS HOD/ECE KALAISELVI.D SANDHIYA.A. EXP 1 - .STUDY OF MICROWAVE SYSTEM AND COMPONENTS AIM: To study the Microwave system and components. MICROWAVE SYSTEM:
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matter Q.1. State the dependence of work function on kinetic energy of electrons emitted in a photocell. If the intensity of incident radiation is doubled‚ what changes occur in the stopping potential and photoelectric current? Q.2. How does the maximum kinetic energy of the emitted electrons vary with the work function? Q.3. the frequency of incident radiation is greater than the threshold frequency in a photocell. How will the stopping potential vary if frequency is increased‚ keeping other
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advancing wave front provides a new point of source for the wave Predicts reflection‚ refraction und diffraction Maxwell’s equations All related equations and observations to electricity and magnetism into 4 little equations The electromagnetic spectrum The product of wavelength and frequency is speed is the speed of the wave: Photon Relationship between frequency and photon energy Planck’s Assumption: Photons have momentum but no mass
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ABSTRACT Mutation was induced via a physical agent‚ radiation. 4 levels of radiation—0 kr (control)‚ 10 kr‚ 30 kr‚ and 50 kr—were used in seeds to determine the radiation effects on the growth of Zea mays. Using two duplicate set-ups‚ each‚ planted with 18 seeds per radiation‚ the differences in height were observed from January 29 to March 17 in a 1 to 2-day interval (Mondays-Wednesdays-Fridays). Results show that as radiation increases‚ the potential of plants to grow decreases—0 kr seeds reached
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Electromagnetic energy‚ in the form of light‚ travels in wavelengths and is measured in nanometres (nm). Pigments within matter‚ such as plants‚ absorb varying wavelengths of light. The absorption spectrum can be defined as a graphical representation of a pigment’s ability to absorb light against varying wavelengths (nm). The pigments light absorbing ability is measured using a spectrophotometer. An action spectrum can be defined as the graphical representation of the rate of photosynthesis against
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Similar effects occur when a light wave travels through a medium with a varying refractive index‚ or a sound wave travels through one with varying acoustic impedance. Diffraction occurs with all waves‚ including sound waves‚ water waves‚ and electromagnetic waves such as visible light‚ X-rays and radio waves. As physical objects have wave-like properties (at the atomic level)‚ diffraction also occurs with matter and can be studied according to the principles of quantum mechanics. Italian scientist
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to hubs and switches. Core - the central part of an optical fiber that provides the transmission region for an optical signal. Cladding - A layer of optical glass surrounding the light-carrying core of an optical fiber. Radio waves - An electromagnetic wave used for long distance communication. Wireless WAN - A wireless wide area network‚ is a form of wireless network its a larger version of Wireless LAN. Wireless LAN - A wireless local area network links two or more devices using a wireless
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influences communication‚ that starts by touching (Touch) leading to various actions (ACTON).RED is used to convey the meaning of warmth in communication. Red Tacton takes a different technical approach. Instead of relying on electromagnetic waves or light waves to carry data‚ a Red Tacton transmitter couples with extremely weak electric fields on the surface of the body. The weak electric fields pass through the body to a Red Tacton receiver‚ where the weak electric field affects
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Global Directed Energy Weapons Market 2014-2018 Directed energy weapons focus high-energy emissions to launch an offensive against the enemy such that there is minimum collateral damage. Electromagnetic waves (masers‚ lasers‚ radio frequency‚ and microwave)‚ supersonic sound‚ and particles with mass could constitute the energy used to attack the enemy. Directed energy weapons can have vast applications. Some of their potential applications are in damaging armored vehicles‚ missile defense systems
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MICROWAVE RADIO COMMUNICATIONS AND SYSTEM GAIN (c22 Tomasi) CHAPTER 24 MICROWAVE RADIO COMMUNICATIONS AND SYSTEM GAIN 1)Electromagnetic waves with frequencies that range from approximately 500 MHz to 300 GHz or more. Microwaves 2)The wavelengths for microwave frequencies‚ which is than infrared energy. 1 cm and 60 cm slightly longer 3)The name given to microwave signals‚ because of their inherently high frequencies‚ have short wavelengths. “Microwave” waves 4)Each frequency is divided
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