HISTOGRAM INTRODUCTION Histogram * Histograms are graphs of a distribution of data designed to show centring‚ dispersion (spread)‚ and shape (relative frequency) of the data. * Histograms can provide a visual display of large amounts of data that are difficult to understand in a tabular‚ or spreadsheet form. * A histogram shows much the same information as a stem plot‚ though for a given dataset one or the other of these methods of displaying the data may be preferable.
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knowledge of sound waves. Prove What properties of sound determine the pitch of sound? How is this affected by motion of the sound source? Be specific. Frequency determines the pitch but wavelength is a part of a frequency. What properties of sound determine the volume of sound? Is this affected by the motion of the sound source? Frequency If the pitch of a sound decreases and the sound source is moving‚ is the sound source moving toward or away from the observer? Its moving away from the
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to accomplished the job by equally dividing the time into two. The first experiment was about Kundt’s tube. In this experiment‚ longitudinal sound waves will be produced in a metal rod and an air column. Using the properties of wave motion ‚ the frequency of the sound and the speed of sound in the rod can be determined. For this experiment setup‚ following materials are needed such as a Kundt’s tube apparatus‚ a meter stick‚ a piece of cloth‚ a thermometer‚ rosin‚ and lycopodium powder. This experiment
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the first part‚ it is the superposition of sine wave. We are going to construct a square wave (approximately) by adding together some pure tones of different frequencies. This stretched string vibrating at different frequencies at the same time. For the second part‚ we will do very similar as first part‚ but use the different frequency which is 196 Hz and its multiple times to create a music note from sine waves. For the third part‚ we do a sound cancellation experiment. We will understand
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0 L/km | 71.0 ft ³ /kft Cable Weight 4.06 kg/m | 2.73 lb/ft Diameter Over Jacket (E Plane) 5.65 mm | 143.50 in Diameter Over Jacket (H Plane) 2.99 mm | 75.90 in Electrical Specifications Operating Frequency Band 1.7 – 2.1 GHz eTE11 Mode Cutoff 1.364 GHz Group Delay 139 ns/100 ft @ 2.000 GHz 456 ns/100 m @ 2.000 GHz Environmental Specifications Installation Temperature 40 °C to +60 °C (40 °F to +140 °F) Operating Temperature
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UNITY AND DISCIPLINE ‘B’ CERTIFICATE EXAMINATION SPECIAL SYLLABUS ARMY WING (SD/SW) MODEL QUESTION PAPER -I Special Subject _________________________________________________________________________ SER NO TOTAL MARKS : 110 ROLL NO : TIME ALLOTTED : 01 Hrs _________________________________________________________________________ ( FOR OFFICE USE ONLY) Srl No Subject Marks Allotted Obtained Sig of Evaluator Obtained 1. Organisation of Signals 08 2. Radio Equipment
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BASIC IDEAS FOR FINAL YEAR PROJECT SELEC TION FOR ELECTRICAL & ELECTRONICS STUDENTS Project works are totally new to most of the engineering aspirants’ and is a blank slate to start with. It is an amorphous and a blank image to the students as they were earlier used to theory courses with prescribed text books and lab works that need to be carried out in the laboratory. A Project work is fortitude of common goal and group approach. Each passing year the engineering scholars are assigned project
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filters Crystal or Discrete component filter that passes all frequencies except those in a stop band centered on a center frequency. High Pass Filters Discrete component filter that passes high frequency but alternates frequencies lower then the cut off frequency. Low Pass Filters Discrete component filter that passes low frequency signals but alternates signals with frequencies higher then the cut off frequency. Filter Designs Chebyshev The transfer function of the
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driven by a sinusoidal source at a 3-1 given frequency. Subsequently‚ the frequency response of both a low-pass filter and a high-pass filter will be considered. 3.2 Objectives At the end of this experiment‚ the student will be able to: (1) Determine the steady-state behavior of linear circuits driven by sinusoidal sources‚ (2) Use the oscilloscope to measure the phase difference between two sinusoidal signals‚ (3) Determine analytically the frequency response of a network‚ (4) Construct Bode plots
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fork is set vibrating at the same frequency as the tuning fork. The length and tension in the string are adjusted until standing waves are observed on the string. By knowing the tension in the string and the wavelength of the standing waves‚ the frequency of oscillation of the string and thus‚ the tuning fork is found. This value is then compared to a strobelight determination of the frequency. THEORY If transverse waves of constant frequency and amplitude are sent down a string
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