Webmod·u·la·tion. 1. The functional and morphologic fluctuation of cells in response to changing environmental conditions. 2. Systematic variation in a characteristic (e.g., frequency, amplitude) of a sustained oscillation to code additional information. 3. A change in the kinetics of an enzyme or metabolic pathway.

WebSynonyms for MODULATIONS: adjustments, regulations, tweaks, amendments, corrections, rectifications, reforms, changeovers, conversions, deformations

WebFind 4 ways to say MODULATION, along with antonyms, related words, and example sentences at Thesaurus.com, the world's most trusted free thesaurus.

WebFrequency modulation equations mainly consist of a sinusoidal expression with the integral of the baseband signal that can be either a sine or cosine function. A m → Amplitude of the modulating signal. ω m → Angular frequency of the modulating signal. Ɵ → is the phase of the modulating signal.

WebDefinition: Phase modulation is another type of angle modulation in which the phase of the carrier wave is changed according to the amplitude (magnitude) of the message (modulating) signal. In phase modulation of an analog signal, the phase change is a continuous back and forth movement. While in case of digital signal there exist an abrupt ...

WebAmplitude modulation is a process by which the wave signal is transmitted by modulating the amplitude of the signal. It is often called AM and is commonly used in transmitting a piece of information through a radio carrier wave. Amplitude modulation is mostly used in the form of electronic communication. Currently, this technique is used in ...

WebAug 24, 2021 · According to one definition of digital signal, the modulated signal is a digital signal, and according to another definition, the modulation is a form of digital-to-analog conversion. Most textbooks would consider digital modulation schemes as a form of digital transmission, synonymous to data transmission; very few would consider it as analog ...

WebDefinition: Amplitude Modulation is a technique by which the amplitude of the carrier wave is changed according to the signal wave or modulating signal.Among various modulation schemes, amplitude modulation is the simplest and oldest modulation technique. Basically, the information that is carried by the low frequency modulating …

WebThe modulation index is ratio of modulating signal voltage (Vm) to the carrier voltage (Vc). The modulation index equation is as follows. m = Vm/Vc. The modulation index should be a number between 0 and 1. When m is greater than 1, severe distortion results into the modulated waveform. This condition results when Vm is greater than Vc and it is ...

WebPulse width modulation or PWM is a commonly used control technique that generates analog signals from digital devices such as microcontrollers. The signal thus produced will have a train of pulses, and these pulses will be in the form of square waves. Thus, at any given time, the wave will either be high or low.

WebMay 31, 2020 · Modulation Index of FM Wave The modulation index of an FM wave is defined as under: The modulation index (mf) is very important in FM as it decides the bandwidth of the FM wave . The modulation index also decides the number of side bands having significant amplitudes. In AM, the maximum value of the modulation index m is 1. …

WebWhat is modulation? – Modulation is the process in which one of the properties of waves like amplitude, frequency and phase is changed according to the base band signal. Why is it necessary? – 1. To reduce the size of the antenna for transmission. 2. To reduce interference of signals so as to maintain the uniqueness of each signal. 3.

WebDigital Modulation. An AM signal can signify any value in a range. A DM signal can only signify with a set of discrete values. In analog modulation (AM), the input must be in the form of analog. In digital modulation (DM), the input must be the data in the form of digital. In AM, the value between the max & min is considered to be applicable.

WebDefinition: A category of angle modulation in which the frequency of the carrier wave is changed according to the amplitude of the message signal is known as frequency modulation.It is abbreviated as FM and is a widely used analog modulation technique.. One can modulate a signal by varying the amplitude of the carrier signal according to the …