Communication systems have used a very clever technique called Modulation to increase the reach of the signals. In this article, we are going to briefly talk about what modulation is and the need for it. What is Modulation? Two signals are involved in the modulation process. Message signals also known as baseband signals.

Space vector modulation (SVM) is an algorithm for the control of pulse-width modulation (PWM). It is used for the creation of alternating current (AC) waveforms; most commonly to drive 3 phase AC powered motors at varying speeds from DC using multiple class-D amplifiers.There are variations of SVM that result in different quality and computational requirements.

Frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave. The technology is used in telecommunications, radio broadcasting, signal processing, and computing.. In analog frequency modulation, such as radio broadcasting, of an audio signal representing voice or music, the instantaneous frequency …

Apr 09, 2015 · Pulse width Modulation or PWM is one of the powerful techniques used in control systems today. It is used in wide range of application which includes: speed control, power control, measurement and communication. This tutorial will take you through basics of Pulse width modulation and its implementation on microcontrollers.

Oct 05, 2020 · Modulation is the act of changing a signal to transmit useful data. There are three aspects of a signal that can be modulated; amplitude, frequency, and phase. The amplitude is the power or intensity of the signal, the frequency is how often the signal repeated itself, and the phase describes where in the cycle the waveform is with respect to ...

Aug 26, 2020 · This document is part of the Getting Started with NI-DAQmx Series. A Pulse Width Modulation (PWM) Signal is a technique for generating digital pulses to control an analog circuit. A PWM signal consists of two main components that define its behavior: a duty cycle and a frequency. This article will go through hardware consideration with using NI-DAQmx hardware …

7 PM and digital modulation [] [] s p where 2 is the pk-pk phase change in one symbol duration, T For Digital signals the modulation index: FM signals have the same peak frequency deviation, then

Double sideband (DSB) is one of the easiest modulation techniques to understand, so it is a good starting point for the study of modulation. A type of DSB, called binary phase-shift keying, is used for digital telemetry. Amplitude modulation (AM) is similar to DSB but has the advantage of permitting a simpler demodulator, the envelope detector.

Define frequency modulation. In this modulation the frequency of the carrier signal is altered in proportion to the message signal while the phase and amplitude are kept constant is called frequency modulation. Define demodulation.

Digital Modulation. In most media for communication, only a fixed range of frequencies is available for transmission. One way to communicate a message signal whose frequency spectrum does not fall within that fixed frequency range, or one that is otherwise unsuitable for the channel, is to alter a transmittable signal according to the information in your message signal.