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How many discrete sample levels does 4bit PCM have?
A 4-bit Pulse Code Modulation (PCM) system can represent (2^4) or 16 discrete sample levels. This is because each bit can have two possible values (0 or 1), and with four bits, the total combinations amount to 16. Thus, a 4-bit PCM can encode signals into 16 different amplitude levels.
Why do the blocks that are the same size and shape float at different levels?
Because they are of different materials. If the materials are same then there's no way they'd floats at different levels. It is because of the densities of different matters the level of floating is different for them.
What is represented by troughs on a graph from a oscilloscope?
Troughs on a graph from an oscilloscope represent the points of minimum amplitude in a waveform, indicating the lowest voltage levels during a signal cycle. In a typical sinusoidal wave, these troughs correspond to the negative peaks, where the signal is at its lowest. Analyzing these troughs can provide insights into the characteristics of the signal, such as frequency, amplitude, and phase.
What is measured on the Y axis of an oscilloscope?
On the Y-axis of an oscilloscope, the vertical measurement typically represents voltage. This axis displays the amplitude of the electrical signal being analyzed, allowing users to observe variations in voltage over time. The scale can be adjusted to reflect different voltage levels, enabling detailed analysis of signal characteristics.
What is a plywood layer?
it is different levels of a very thin wood
How many levels of amplitude does a 4-bit sound allow?
A 4-bit sound allows for 2^4 = 16 levels of amplitude. This means that the sound can represent 16 different discrete values of amplitude.
How many levels for amplitude values a 8-bit sound allows?
An 8-bit sound allows for 256 different levels of amplitude values. This means that the amplitude range can be divided into 256 discrete steps, providing a level of precision in representing sound intensity.
Does the amplitude determine the loudness of a sound?
No, the amplitude of a sound wave determines its intensity, not its perceived loudness. Loudness is subjective and depends on the sensitivity of the human ear to different frequencies at different sound pressure levels.
What is the two level digital puse amplitude modulation?
In Pulse Amplitude Modulation, amplitude of pulse varies with signal. Theoretically in analog modulation there infinite levels of amplitudes or continuous amplitude. Two level PAM is digital modulation where only 2 number of levels are there. Thus signal is quantized to two discrete levels.
Why do you get a staircase output in the quantization process of Pulse Code Modulation?
quantisation is the assigning the signal amplitudes to some levels,if amplitude is 4.8 we treat it as 5 and when it is 3.1 the output value is 3 thus we are assigning the amplitude to some reference levels thus corresponds to different amplitudes we get different quantisation output hence we get staircase signal
Information required in different levels of management in organization?
Strategic management level Tactical management level Operational management level Consider information required by different departments at different levels as above i.e human resource department, financial department, marketing department, production/operations department
How do you change the amplitude of the triangle?
To change the amplitude of a triangle wave, you can multiply the output signal by a constant value. Increasing this value will increase the amplitude, and decreasing it will decrease the amplitude. Alternatively, you can adjust the voltage levels or inputs to the waveform generator to change the amplitude.
Does amplitude of light change from medium to medium?
No, the amplitude of light does not change when it passes from one medium to another. Amplitude is a characteristic of the light wave itself and does not depend on the medium it is passing through. The speed and direction of light may change when passing through different mediums, but not its amplitude.
What are micro-waves average amplitude?
The average amplitude of microwaves is typically around 1 millimeter. Microwaves have a longer wavelength compared to visible light, which corresponds to lower frequencies and energy levels.
How is pulse amplitude modulation transmitted?
Generally pulse amplitude modulation (PAM) is trasmitted as a series of DC levels and are mostly used in wired trasmissions (DC is not effective wirelessly).
What is the difference between two electrons in different sub levels of the same energy level in the same atom?
They have more energy in higher levels. It is required until it falls to a lower orbit.
What are the difference between QAM and QPSK?
in qpsk we are using phases for representation of messages while in qam we hav amplitude levels. in qpsk 2 bits per symbol is used with four different phases. in qam depanding on type i.e 16 qam,64 qam,256 qam how many amplitude levels to be used accordingly i.e 16,64,256. sonender kumar
