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Periodic variation - PowerPoint PPT Presentation

Chapter 4 Time Series Analysis and Forecasting

KVANLI PAVUR KEELING. Chapter 4 Time Series Analysis and Forecasting. Chapter Objectives. At the completion of this chapter, you should be able to: ? Understand the meaning of time series and the four components of the data

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1.32k views • 78 slides

Frequency Modulation

Frequency Modulation. Frequency Modulation. related to musical vibrato Vibrato - Periodic variation of frequency A simple signal: sample(time) = sin(2 freq(time)time) with vibrato freq(time) = freq 1 + vib wid sin(2 vib rate time) vib wid = vibrato width amount of vibrato

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431 views • 26 slides

Ch 20 SOUND

Ch 20 SOUND. Sound is a compression wave in an elastic medium. These can include solids, liquids and gases or a plasma. Human hearing can detect sound waves with frequencies between 20 Hz and 20,000Hz (20kHz).

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271 views • 23 slides

Measurements

Measurements. Chapter Four. Measurement accuracy and precision. Accuracy and precision. Measurements are said to be accurate if their tendency is to center around the actual value of the entity being measured. Measurements are precise if they differ from one another by a small amount.

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412 views • 14 slides

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Periodic variation - PowerPoint PPT Presentation

Chapter 4 Time Series Analysis and Forecasting

Frequency Modulation

Ch 20 SOUND

Measurements