pals kod modülasyonu

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Турецкий язык - Английский Язык
(Askeri) pulse code modulation
Pulse Code Modulation (PCM) is a modulation scheme involving conversion of a signal from analog to digital form by means of coding See also modulation
A method for transmitting data in digital format
Method of sampling information signals at regular intervals and transmitting the samples as a series of pulses in coded form which represent the amplitude of the information signal at that time
French: modulation par impulsions et codage (MIC) A modulation technique in which the signal being transmitted is sampled at regular intervals to determine its magnitude The magnitude is converted to a digital pulse for transmission (See pulse modulation )
The most common method of representing an analog signal, such as speech, by sampling at a regular rate and converting each sample to an equivalent digital code
A method of encoding and de-encoding a digital signal There are actually several varieties in use today, including linear, non-linear, floating point, and differential These vary mainly in how they deal with quantization, and how they handle values that fall "between" the digital signals bits
Method of modulation in which signals are sampled and converted to digital words that are then transmitted serially Most PCM systems use either 7- or 8-bit binary codes There are, however, several standards for PCM coding: most common are µ-Law in North America and A-Law in Europe (both based on logarithmic conversion of the signal)
A method of quantizing audio-range analog signals into a digital form for transmission in digital communications systems, or for processing in DSP Effectively the same as analog-to-digital conversion
A means for representing a sequence of binary numbers by a series of electrical pulses
A method used to convert an analog signal into noise-free digital data that can be stored and manipulated by computer PCM takes an 8-bit sample of a 4kHz bandwidth 8000 times a second, which gives 16K of data per second PCM is often used in multimedia applications
A process in which a signal is sampled, and the magnitude of each sample with respect to a fixed reference is quantized and converted by coding to a digital signal
PCM is the most common method a telephone company in North America can use to sample a voice signal and convert that sample in an equivalent digital code consisting of zeros and ones
Process in which the modulating signal is sampled, and the magnitude of each sample (with respect to a fixed reference) is quantized and converted by coding to a digital signal Provides undistorted transmission, even in the presence of noise The sample frequency must be at least twice the highest modulating frequency for full recovery of the original modulating information
The process that samples, quantizes, and codes the modulating analog signal into digital bit stream
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