View
... Thermal noise – random motion of electrons, creating an extra signal Induced noise – outside sources such as motors and appliances Crosstalk – effect of one wire on another Impulse noise – a spike for a short period from power lines, lightning ...
... Thermal noise – random motion of electrons, creating an extra signal Induced noise – outside sources such as motors and appliances Crosstalk – effect of one wire on another Impulse noise – a spike for a short period from power lines, lightning ...
1 (Vahid 4.1) Given a timer ... frequency of 10 MHz: (a)Determine ...
... controlling input voltage is 3.7 V. Assume that you are using a microcontroller with a PWM whose output port can be set high (5 V) or low (0 V). (a) Compute the duty cycle necessary to obtain 10 revolutions per second. (b) Provide values for a pulse width and period that achieve this duty cycle. You ...
... controlling input voltage is 3.7 V. Assume that you are using a microcontroller with a PWM whose output port can be set high (5 V) or low (0 V). (a) Compute the duty cycle necessary to obtain 10 revolutions per second. (b) Provide values for a pulse width and period that achieve this duty cycle. You ...
physical.pdf
... Encoding Considerations Digital signaling can use modern digital transmission infrastructure. Some media like fiber and unguided media only carry analog signals. Analog-to-analog conversion used to shift signal to use another portion of spectrum for better channel utilization (frequency divisio ...
... Encoding Considerations Digital signaling can use modern digital transmission infrastructure. Some media like fiber and unguided media only carry analog signals. Analog-to-analog conversion used to shift signal to use another portion of spectrum for better channel utilization (frequency divisio ...
Sampling Theory and Analog-to-Digital Conversion Basic
... • “One common form of aliasing, which most people have observed, is the 'wagon wheels' effect in films. Since the rate of the film is usually much lower than the frequency at which the spokes of a wheel pass any one point, aliasing takes place and the wheels appear to turn either much more slowly th ...
... • “One common form of aliasing, which most people have observed, is the 'wagon wheels' effect in films. Since the rate of the film is usually much lower than the frequency at which the spokes of a wheel pass any one point, aliasing takes place and the wheels appear to turn either much more slowly th ...
Fourier Transforms - Leiden Observatory
... and averaging. Because full fledged digital multipliers are slow and complicated, a simplifying approximation is used: the signals are brought to a standard level relative to the noise, and 1-bit sampled, i.e. either positive or negative. The samples from two telescopes are “multiplied” by a very si ...
... and averaging. Because full fledged digital multipliers are slow and complicated, a simplifying approximation is used: the signals are brought to a standard level relative to the noise, and 1-bit sampled, i.e. either positive or negative. The samples from two telescopes are “multiplied” by a very si ...
Data Transmission and Encoding
... Constant voltage pulse for duration of bit Data encoded as presence or absence of signal transition at beginning of bit time Transition (low to high or high to low) denotes a ...
... Constant voltage pulse for duration of bit Data encoded as presence or absence of signal transition at beginning of bit time Transition (low to high or high to low) denotes a ...
Week 8 - bYTEBoss
... see how much of the data can be done away with while still retaining the ability to reconstruct the original data (e.g. a Winzip file) When compressing an audio file, there is a target bit rate in mind. An algorithm is called upon to see how much audio data must be thrown away to reach this bit rate ...
... see how much of the data can be done away with while still retaining the ability to reconstruct the original data (e.g. a Winzip file) When compressing an audio file, there is a target bit rate in mind. An algorithm is called upon to see how much audio data must be thrown away to reach this bit rate ...
Multiple choice test - EXAMPLES
... Multiple choice test - EXAMPLES Note: take the speed of sound in air at 20oC as 344ms-1 ...
... Multiple choice test - EXAMPLES Note: take the speed of sound in air at 20oC as 344ms-1 ...
Paper E1 - Digital Circuits
... A parallel LC resonant circuit is used to select the required frequency A pn junction diode is used as detector Capacitor Cf bypasses radio frequencies to Earth Lower frequency audio signals pass through the headphones The headphones behave like a high value resistance ...
... A parallel LC resonant circuit is used to select the required frequency A pn junction diode is used as detector Capacitor Cf bypasses radio frequencies to Earth Lower frequency audio signals pass through the headphones The headphones behave like a high value resistance ...
