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Frequency domain
frequency domain refers to the analysis of mathematical functions or signals with respect to frequency, rather than time. Put simply, a time-domain graph
Discrete frequency domain
A discrete frequency domain is a frequency domain that is discrete rather than continuous. For example, the discrete Fourier transform maps a function
Frequency domain sensor
Frequency domain (FD) sensor is an instrument developed for measuring soil moisture content. The instrument has an oscillating circuit, the sensing part
Time–frequency analysis
time–frequency analysis comprises those techniques that study a signal in both the time and frequency domains simultaneously, using various time–frequency
Frequency domain decomposition
The frequency domain decomposition (FDD) is an output-only system identification technique popular in civil engineering, in particular in structural health
Frequency
converter Frequency domain Frequency distribution Frequency extender Frequency grid Frequency modulation Frequency spectrum Interaction frequency Natural
Finite-difference frequency-domain method
The finite-difference frequency-domain (FDFD) method is a numerical solution method for problems usually in electromagnetism and sometimes in acoustics
Digital signal processing
numbers that represent samples of a continuous variable in a domain such as time, space, or frequency. In digital electronics, a digital signal is represented
Time–frequency representation
analysis into the time–frequency domain provided by a TFR. This is achieved by using a formulation often called "Time–Frequency Distribution", abbreviated
Spectral analysis
strength of different frequency components (the power spectrum) of a time-domain signal. This may also be called frequency domain analysis Spectrum analyzer