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What mathematical process can you use to transform signal waveform of frequency domain into time domain. or the other way around?
CommLearner
This is called the Laplace transform and inverse Laplace transform.
Wiki User
∙ 14y ago
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How a pure sine wave inverter works circuit diagrams?
Filter the output with a low-pass filter whose cut-off frequency is less than 120 Hz. That process removes the energy at harmonic frequencies from the output waveform, leaving only the energy at 60 Hz.
Difference between fourier series and z-transform?
Laplace = analogue signal Fourier = digital signal Notes on comparisons between Fourier and Laplace transforms: The Laplace transform of a function is just like the Fourier transform of the same function, except for two things. The term in the exponential of a Laplace transform is a complex number instead of just an imaginary number and the lower limit of integration doesn't need to start at -∞. The exponential factor has the effect of forcing the signals to converge. That is why the Laplace transform can be applied to a broader class of signals than the Fourier transform, including exponentially growing signals. In a Fourier transform, both the signal in time domain and its spectrum in frequency domain are a one-dimensional, complex function. However, the Laplace transform of the 1D signal is a complex function defined over a two-dimensional complex plane, called the s-plane, spanned by two variables, one for the horizontal real axis and one for the vertical imaginary axis. If this 2D function is evaluated along the imaginary axis, the Laplace transform simply becomes the Fourier transform.
Why low pass filters are required in demodulation process?
Demodulation takes place to extract the low-frequency signal from the high-frequency carrier, using a nonlinear process that produces components at the signal frequency. The LP filter is used to eliminate the high-frequency carrier component from the signal so that it does not cause problems at a later stage in the amplification of the signal.
Tell you what an intermediate frequency amplifier do?
The intermediate frequency (IF) amplifier lies between the mixer and the demodulator. The mixer shifts the input radio frequency (RF) signal into the range of the IF amplifier. The IF amplifer is a band pass amplifier, so only RF signals that are the IF frequency distance away from the local oscillator in the mixer can pass through to the demodulator. This process is called the superhetrodyne process.
What is the difference between time division multiplexing and space division multiplexing?
The difference is the way the data is separated and transmitted between two points. In Space Division the data is separated physically i.e. the carrier medium is divided into different channels. This could be by using different wires, waveguides, optical cables, etc, or by frequency i.e. radio channel, carrier frequency. Time Division uses the same channel in one of the above but different data is given a specific order and location in time for transmission. e.g. Synchronsation followed by type (a) data, then type (b) data followed by a checksum. The whole process is repeated continuously until transfer is complete.
What analyzes an objects spectrum?
A spectrum analyzer or spectral analyzer is a device used to examine the spectral composition of some electrical, acoustic, or optical waveform. It may also measure the power spectrum. There are analog and digital spectrum analyzers: * An analog spectrum analyzer uses either a variable band-pass filter whose mid-frequency is automatically tuned (shifted, swept) through the range of frequencies of which the spectrum is to be measured or a superheterodyne receiver where the local oscillator is swept through a range of frequencies. * A digitalspectrum analyzer computes the discrete Fourier transform (DFT), a mathematical process that transforms a waveform into the components of its frequency spectrum. http://en.wikipedia.org/wiki/Spectrum_analyzer
If input frequency of a full wave rectifier be n then uotput frequency would be?
The output frequency of a full wave rectifier will be twice the input frequency. This is because full wave rectifiers process both the positive and negative cycles of the input signal, effectively doubling the frequency in the output waveform.
How do you test for 60 hertz?
You can test for 60 hertz using a multimeter set to measure frequency. Connect the multimeter probes to the power source, and it will display the frequency. Another option is to use an oscilloscope to measure the waveform's frequency. You can also use a frequency counter to directly measure the frequency of the power source.
What is Spatial domain to the frequency domain transformation?
Spatial domain to frequency domain transformation refers to the process of converting an image from its spatial representation (pixels) to its frequency representation (amplitude and phase of different frequencies). This transformation is commonly done using techniques such as Fourier transform, which helps in analyzing an image in terms of its frequency content rather than spatial information.
Any mathematical process?
Any mathematical process is an algorithm.
What are the uses of spectrum analyzer?
Spectrum analyzers are used to measure the magnitude of an input signal versus frequency within a given range. They are commonly used in industries such as telecommunications, audio engineering, and RF testing to analyze and troubleshoot signal interference, noise, and frequency response. Spectrum analyzers are also used in research and development to study the frequency content of different signals and waveforms.
Define linear wave shaping give examples?
Linear wave shaping is the process of modifying the shape of a waveform while maintaining linearity in the output. Examples include amplifiers, differentiator circuits, and integrator circuits. These circuits can shape the waveform by altering its amplitude, frequency, or phase without distorting the linearity of the output signal.
A mathematical process in wich sets are combined?
A mathematical process in wich sets are combined
What is any mathematical process?
A mathematical process is like adding, dividing, subtracting and multiplying or things like that.
What is the condensation process?
Condensation is the process employed to transform a gas into a liquid.
how do you work out an output?
To work out an output, you need to identify the type of input data, understand the function or process that will be applied to the data, and then use that function or process to compute the output. This often involves using mathematical formulas, algorithms, or rules to transform the input data into the desired output.
What is sound analysis?
Sound analysis is the process of examining and interpreting audio signals to extract meaningful information about the sound. It involves techniques such as waveform analysis, frequency spectrum analysis, and time-frequency analysis to understand the characteristics of the sound, such as pitch, intensity, and timbre. Sound analysis is commonly used in fields such as music, speech recognition, and environmental noise monitoring.
