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  2. Frequency response - Wikipedia

    en.wikipedia.org/wiki/Frequency_response

    Frequency response. In signal processing and electronics, the frequency response of a system is the quantitative measure of the magnitude and phase of the output as a function of input frequency. [1] The frequency response is widely used in the design and analysis of systems, such as audio and control systems, where they simplify mathematical ...

  3. Parks–McClellan filter design algorithm - Wikipedia

    en.wikipedia.org/wiki/Parks–McClellan_filter...

    The y-axis is the frequency response H(ω) and the x-axis are the various radian frequencies, ω i. It can be noted that the two frequences marked on the x-axis, ω p and ω s. ω p indicates the pass band cutoff frequency and ω s indicates the stop band cutoff frequency. The ripple like plot on the upper left is the pass band ripple and the ...

  4. Bode plot - Wikipedia

    en.wikipedia.org/wiki/Bode_plot

    Definition. The Bode plot for a linear, time-invariant system with transfer function ( being the complex frequency in the Laplace domain) consists of a magnitude plot and a phase plot. The Bode magnitude plot is the graph of the function of frequency (with being the imaginary unit ). The -axis of the magnitude plot is logarithmic and the ...

  5. Common source - Wikipedia

    en.wikipedia.org/wiki/Common_source

    The easiest way to tell if a FET is common source, common drain, or common gate is to examine where the signal enters and leaves. The remaining terminal is what is known as "common". In this example, the signal enters the gate, and exits the drain. The only terminal remaining is the source. This is a common-source FET circuit.

  6. Equalization (communications) - Wikipedia

    en.wikipedia.org/wiki/Equalization_(communications)

    Equalization (communications) In telecommunication, equalization is the reversal of distortion incurred by a signal transmitted through a channel. Equalizers are used to render the frequency response —for instance of a telephone line— flat from end-to-end. When a channel has been equalized the frequency domain attributes of the signal at ...

  7. Time–frequency analysis - Wikipedia

    en.wikipedia.org/wiki/Time–frequency_analysis

    Motivation. In signal processing, time–frequency analysis [3] is a body of techniques and methods used for characterizing and manipulating signals whose statistics vary in time, such as transient signals. It is a generalization and refinement of Fourier analysis, for the case when the signal frequency characteristics are varying with time.

  8. Sweep generator - Wikipedia

    en.wikipedia.org/wiki/Sweep_generator

    Sweep generator. A sweep generator is a piece of electronic test equipment similar to, and sometimes included on, a function generator which creates an electrical waveform with a linearly varying frequency and a constant amplitude. Sweep generators are commonly used to test the frequency response of electronic filter circuits.

  9. Parrot training - Wikipedia

    en.wikipedia.org/wiki/Parrot_training

    Although very trainable and intelligent, parrots are a prey species and are naturally more cautious than predatory species such as dogs. They often must be trained more slowly and carefully. Parrots can, however, eventually be taught many complicated tricks and behaviors, and remember them for years. Parrots are often used in shows at zoos and ...