Radio Waves In the modern society‚ radio is the most widely used medium of broadcasting and electronic communication : it plays a major role in many areas such as public safety‚ industrial manufacturing‚ processing‚ agriculture‚ transportation‚ entertainment‚ national defense‚ space travel‚ overseas communication‚ news reporting and weather forecasting. In radio broadcasts‚ they use the radio waves which can be both microwaves and longer radio waves. These are transmitted in two ways: amplitude
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Electromagnetic Waves It was once the great Scottish physicist James Clerk Maxwell (1831-1879) who had presented that electric and magnetic fields unstable together can form a spreading wave‚ appropriately called an electromagnetic wave. The properties of an electromagnetic wave are as follows: 1. They can travel through a vacuum at the same high speed‚ which is much faster than other types of waves that travel through a material. 2. They show the normal wave properties of reflection‚ refraction
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------------------------------------------------- Experiment NO. 315 ------------------------------------------------- ------------------------------------------------- ------------------------------------------------- WAVE PROPAGATION ------------------------------------------------- ------------------------------------------------- EE3071 Laboratory 3 Location: S1-B4a-03 AY 2011/2012 Name: EMIR NUROV Matriculation number: U0920108K Group:
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inexpensive‚andsafesoisoftenthefirstchoiceof a medical imaging method where feasible Sound waves • Sound wave propagate by longitudinal motion (compression/expansion)‚ but not transverse motion (side-to-side) • Can be modeled as weights connected by springs 1Ultrasonic Waves and properties • Mechanical waves are longitudinal compression waves • “Ultrasound” refers to frequencies greater than 20kHz‚ the limit of human
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interpreted from the poem‚ “From the Wave”‚ by Thom Gunn. The first meaning is the actual and literal meaning of a surfer catching a wave. The second is a metaphorical meaning. This meaning describes the ups and downs of a human being’s life. Readers know the speaker is actually talking about surfers‚ because Gunn describes the how it feels to actually catch a wave. The speaker says that “Their pale feet‚ curl‚ they poise their weight / With a learn’d skill. / It is the wave they imitate. / Keeps them so
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INFRARED WAVES * Infrared (IR) light is electromagnetic radiation with a wavelength longer than that of visible light How They’re Made: Infra red waves are just below visible red light in the electromagnetic spectrum ("Infra" means "below"). You probably think of Infra-red waves as heat‚ because they’re given off by hot objects‚ and you can feel them as warmth on your skin. Infra Red waves are also given off by stars‚ lamps‚ flames and anything else that’s warm - including you. The detector
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Simple Harmonic Motion Ethan Albers Case Western Reserve University‚ Department of Physics Cleveland‚ OH 44106 Abstract: In this lab‚ my partner and I observed oscillations that were translational and rotational. The two forms we studied must have a form of a restoring force that is proportional to the displacement of the object from its point of equilibrium. This produces the harmonic motion which this lab wants. At small and big amplitudes we measured/observed the translational oscillation
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------------------------------------------------- Pic LCF Meter (Simple Monitoring of inductance‚ capacitance & frequency) THIS simple PIC-based unit was designed to measure and display the values of inductors and capacitors.As a by-product of the technique used.it can also display the frequency of an external 0V/ +5V signal source The ranges are approximately: Capacitance : 1pF to 6500uF Inductance : 1uH to 10H Frequency : 0.05Hz to 5MHz The design is based upon the concept that osillators
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Transverse Vibration of Beam Lab Report Introduction This experiment aimed to study the forced damped transverse vibration of a beam and verify Dunkerley’s empirical formula. According to Dunkerley’s empirical formula‚ 1f2=1fb2+1fω2 where f referring to the natural frequency of heavy beam with central load fb referring to the natural frequency of heavy beam only fω referring to the natural frequency of light beam with central load M By using the results of light damping‚ Dunkerley’s
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Due to the principle feeder relatively simple‚ so long as the principle of control over their work and structure ‚ under the theoretical guidance ‚ combined with practical experience will be able to maintain good electromagnetic vibrating feeder maintenance and debugging. Electromagnetic vibrating feeder is a more complete particle orientation forced vibration double elastic system . The entire system is operating in a low critical resonance state‚ it is simple structure ‚ stable‚ low power consumption
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