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этимология

Что (кто) такое amplitude cosine - определение

IN AMPLITUDE MODULATION, THE AMPLITUDE (SIGNAL STRENGTH) OF THE CARRIER WAVE IS VARIED IN PROPORTION TO THE WAVEFORM BEING TRANSMITTED

Amplitude Modulation; Amplitude modulated; Double-sideband reduced carrier; Amplitude modulator; Amplitude-modulation detector; Amplitude-modulation radio; Amplitude-modulation; Amplitude Based; DSBAM; Clamp tube modulation; Heising modulation; Amplitude Modulated

Amplitude versus offset

TERM FOR REFERRING TO THE DEPENDENCY OF THE SEISMIC ATTRIBUTE, AMPLITUDE, WITH THE DISTANCE BETWEEN THE SOURCE AND RECEIVER

Amplitude Variation with Offset; Amplitude Versus Offset; Amplitude variation with offset

In geophysics and reflection seismology, amplitude versus offset (AVO) or amplitude variation with offset is the general term for referring to the dependency of the seismic attribute, amplitude, with the distance between the source and receiver (the offset). AVO analysis is a technique that geophysicists can execute on seismic data to determine a rock's fluid content, porosity, density or seismic velocity, shear wave information, fluid indicators (hydrocarbon indications).

https://en.wikipedia.org/wiki/Amplitude_versus_offset

COSINE

$<math>\cos(\theta)</math> and <math>\sin(\theta)</math> are the real and imaginary parts of <math>e^{i\theta}</math>.$

TRIGONOMETRIC FUNCTIONS OF AN ANGLE

Cosine; Sine function; Sine squared; COSINE; SinX; Sine (trigonometric function); Cosine (trigonometric function); Sin x; Cosinus; Complex sine and cosine; Sin(x); Cos(x); Cosine function; Cosine of X; Sine of X; Sinx; Sinusoida; Sin(); Half chord; Complex sine; Sin z; Sin X; Vertical sine; Sinus rectus (mathematics); Sinus rectus (trigonometry); Sinus rectus (function); Sinus (trigonometry); Half-chord; Sinus rectus arcus; Sinus rectus primus; Sin (trigonometry); Cos (trigonometry); Sine (trigonometry); Sine (mathematics); Natural sine; Algorithms for calculating the sine function; S (trigonometry); Sin. (trigonometry); Draft:Sine and cosine; Sine; Sin and cos; Sinus and cosinus

Cooperation for Open Systems Interconnection Networking in Europe. A EUREKA project.

Sine

$<math>\cos(\theta)</math> and <math>\sin(\theta)</math> are the real and imaginary parts of <math>e^{i\theta}</math>.$

TRIGONOMETRIC FUNCTIONS OF AN ANGLE

Cosine; Sine function; Sine squared; COSINE; SinX; Sine (trigonometric function); Cosine (trigonometric function); Sin x; Cosinus; Complex sine and cosine; Sin(x); Cos(x); Cosine function; Cosine of X; Sine of X; Sinx; Sinusoida; Sin(); Half chord; Complex sine; Sin z; Sin X; Vertical sine; Sinus rectus (mathematics); Sinus rectus (trigonometry); Sinus rectus (function); Sinus (trigonometry); Half-chord; Sinus rectus arcus; Sinus rectus primus; Sin (trigonometry); Cos (trigonometry); Sine (trigonometry); Sine (mathematics); Natural sine; Algorithms for calculating the sine function; S (trigonometry); Sin. (trigonometry); Draft:Sine and cosine; Sine; Sin and cos; Sinus and cosinus

·prep Without.

II. Sine ·noun The perpendicular itself. ·see Sine of angle, below.

III. Sine ·noun The length of a perpendicular drawn from one extremity of an arc of a circle to the diameter drawn through the other extremity.

Википедия

Amplitude modulation

Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave. In amplitude modulation, the amplitude (signal strength) of the wave is varied in proportion to that of the message signal, such as an audio signal. This technique contrasts with angle modulation, in which either the frequency of the carrier wave is varied, as in frequency modulation, or its phase, as in phase modulation.

AM was the earliest modulation method used for transmitting audio in radio broadcasting. It was developed during the first quarter of the 20th century beginning with Roberto Landell de Moura and Reginald Fessenden's radiotelephone experiments in 1900. This original form of AM is sometimes called double-sideband amplitude modulation (DSBAM), because the standard method produces sidebands on either side of the carrier frequency. Single-sideband modulation uses bandpass filters to eliminate one of the sidebands and possibly the carrier signal, which improves the ratio of message power to total transmission power, reduces power handling requirements of line repeaters, and permits better bandwidth utilization of the transmission medium.

AM remains in use in many forms of communication in addition to AM broadcasting: shortwave radio, amateur radio, two-way radios, VHF aircraft radio, citizens band radio, and in computer modems in the form of QAM.

https://en.wikipedia.org/wiki/Amplitude modulation