Signal sampling - Study guides, Class notes & Summaries

What is the common theme among all analog signals? - Answer-There are infinite possibilities. What is the common theme among all digital signals? - Answer-There are discrete and finite possibilities. 1s and 0s are called...? - Answer-Bits. A group of 4 bits is a...? - Answer-Nibble. A group of 8 bits is a...? - Answer-Byte. A "word" is another group of bits whose length is processor dependent. It can be...? - Answer-16 bits, 32 bits, 64 bits, etc. How many states can be represented in a...

Which of the following will strengthen signals as they move farther away from the headend through the trunk express system? Answer B) Distribution amplifiers. Which of the following describes a carrier wave? Answer B) A wave with a much higher frequency than the input signal. Which of the following describes modulation? Answer B) The reshaping of a carrier wave to include information contained by an input signal. Which of the following is the symbol for power? Answer W = watts Which ...

CT Physics Final Exam Review with 100% correct answers What two terms are used to describe patient dose in computed tomography? - answerCTDI & MSAD What converts an analog signal (voltage) into digital data (numbers)? - answeran analog-to- digital converter What is the total number of gray levels called? - answerthe gray scale What can be done to reduce the amount of data that makes up the image? - answerimage compression What is the logical order in digitizing an image? - answerscannin...

Which of the following do you need to determine the vertical resolution? A. Time base and bit capacity B. Display gain and bit capacity C. Dwell time and Sampling D. Aplifier sensitivity and bit capacity - answer-D. Amplifier sensitivity and bit capacity (horizontal resolution would be dwell time and sample rate) Inappropriately low sampleing rate will produce low frequency representation of digitized waveform if this is in play. A. Poor signal B. Aliasing C. 60Hz filter effec...

Nyquist Theory Answer The specification of the minimum sampling rate used, in relation to the highest frequency signal recorded The sample rate must be twice that of the highest frequency to be recorded. For LFF, the corresponding time constants for LFF cutout freq. of 3 hz would be __ Answer .05 seconds The most prominent clinical feature of Dilantin toxicity? Answer Ataxia Ataxia Answer lack of muscle coordination Agnosia Answer the inability to recognize familiar objects. Apra...

The basic unit for measuring current flow is c weight b.CouIomb c.VoIt d.Ampere - Ampere The basic unit of resistance is a.Ohm b.CouIomb c.Ampere d.V01t - Ohm Which of the following is not a valid expression of Ohm's law? (in this equation E (electromotive force) is the dame as V (Voltage) Which of the following is not a unit for measuring alternating frequencies? a. Cycles per second b. Volts c. Hertz d. Kilocycles - Volts Which of the following describes the action of a c...

vocal modulation - rhythmic changes that are predictable in fundamental frequency and in amplitude in the voice; gradual increases and decreases that occur over the course of many glottal cycles Sampling rate - the frequency with which numbers are stored or written down to represent the analog signal that you're sampling. perceptual normalization - When a listener simplifies the processing of the speech signal to smooth out superfluous variability, it is called categorical perception - On...

AAERT CER Exam Complete Questions with correct Answers Methods of audio recording Analog and digital Microphone Converts acoustical energy that is sound into electrical signal that can be delivered to either an analog or digital device Path of digital audio To change the analog signal to a digital signal it will need to pass through an analog to digital converter (digital mixer or A/D converter) Sample rate Number of samples taken each second when recording sound. (44.1 kHz,...

Textbooks - Fundamentals of signals and systems using the web and Matlab By Edward W. Kamen and Bonnie S. Heck| Chapter 1-13 |Complete Questions and Answers A+ (SOLUTION MANUAL) Test Bank. Signals and Systems Textbooks: Fundamentals of signals and systems using the web and Matlab Authors: Edward W. Kamen and Bonnie S. Heck Prentice-Hall International, Inc. Web site: Domestic dealer: Chwa books Corp. Lecture note compiler: Ping-Sung Liao Chapter 1 Fundamental Concepts 1.1 Signals and Sys...

Pro Tools 101 Review Questions| Answered 100% Correctly Name and describe five types of production tasks that Pro Tools can be used for Audio Processing: recording of audio performances and stores them as files. Works with audio that is stored electronically in digital format MIDI Production: record and edit MIDI data. Captures performance event data. Devices are involved. Notation and Scores: ways to display and work with MIDI compositions in music notation and printing capabilities. ...