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escalated annd rapid pulse rate. pounding outside of chest
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∙ 11y ago
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What are the types of pulse modulation?
Pulse width mod, pulse amplitude mod, pulse position mod, pulse code mod.
What are advantages of pulse amplitude modulation?
carry information as well as to generate other pulse modulations.
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).
Explain with diagram the technique Pulse-amplitude modulation?
Explain with diagram the technique Pulse-width modulation?
What type of modulation produces pulses whose duration is proportional to the amplitude of the intelligence signal?
Pulse-Amplitude Modulation
What is the difference between Pam ppm and pwm in digital communication?
PAM-pulse Amplitude Modulation It encodes information in the amplitude of a sequence of signal pulses. PPM-Pulse Position modulation PWM-Pulse Width Modulation.It results in variation of average waveform.
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.
What is the difference between pulse code and pulse amplitude in brief and concise terms?
In pulse amplitude modulation (PAM), you send a single pulse of a certain height (amplitude) that represents the value of the sampled signal at that time. With pulse code modulation (PCM), you take the same sampled value, but now represent that value by N bits, where N is the number of quantized regions. Why send a whole bunch of bits instead of just a single pulse? Because PCM performs better in situations of higher noise (AWGN).
Does the amplitude of the qrs complex change with the pulse amplitudes?
Yes, the QRS complex and the pulse wave are directly connected. The amplitude of these, combined with the first heart beat sound, make up systolic pressure.
When you were palpating the various pulse points which appeared to have the greatest amplitude or tension?
The aortic, at the chest
What is the minimum number of samples that pulse amplitude modulation needs to take per second to reproduce?
8000 Hz
What is the pulse amplitude?
The rhythmical throbbing of arteries produced by the regular contractions of the heart, especially as palpated at the wrist or in the neck
