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  2. Spectrum analyzer - Wikipedia

    en.wikipedia.org/wiki/Spectrum_analyzer

    A spectrum analyzer is also used to determine, by direct observation, the bandwidth of a digital or analog signal. A spectrum analyzer interface is a device that connects to a wireless receiver or a personal computer to allow visual detection and analysis of electromagnetic signals over a defined band of frequencies.

  3. Radio-frequency sweep - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_sweep

    A spectrum analyzer is a standard instrument used for RF sweep. It includes an electronically tunable receiver and a display. The display presents measured power (y axis) vs frequency (x axis). The power spectrum display is a two-dimensional display of measured power vs. frequency. The power may be either in linear units, or logarithmic units ...

  4. Low Frequency Analyzer and Recorder - Wikipedia

    en.wikipedia.org/wiki/Low_Frequency_Analyzer_and...

    Each system, from shore facility to the transducer array was a sonar set with the signal processing beginning as the array's signals were amplified, processed into beams by time delay and each beam processed by an electromechanical spectrum analyzer with the display being a sweep of the frequency spectrum's intensity burned across electrostatic ...

  5. Constellation diagram - Wikipedia

    en.wikipedia.org/wiki/Constellation_diagram

    When plotted on a constellation diagram the point representing that received sample will be offset from the correct position for that symbol. An electronic test instrument called a vector signal analyzer can display the constellation diagram of a digital signal by sampling the signal and plotting each received symbol as a point. The result is a ...

  6. Frequency domain - Wikipedia

    en.wikipedia.org/wiki/Frequency_domain

    In many applications, phase information is not important. By discarding the phase information, it is possible to simplify the information in a frequency-domain representation to generate a frequency spectrum or spectral density. A spectrum analyzer is a device that displays the spectrum, while the time-domain signal can be seen on an oscilloscope.

  7. 20 Of The Funniest Tweets About Cats And Dogs This Week (Nov ...

    www.aol.com/20-funniest-tweets-cats-dogs...

    Woof — it’s been a looooooong week. If you feel like you’ve been working like a dog, let us offer you the internet equivalent of a big pile of catnip: hilarious tweets about pets.

  8. Willy Adames is MLB's top free-agent shortstop. Could his ...

    www.aol.com/sports/willy-adames-mlbs-top-free...

    If you put a list together of the top shortstops in baseball, after Francisco Lindor, Corey Seager, Bobby Witt Jr. and Trea Turner, you can make a strong case that Willy Adames is the fifth-best ...

  9. Smith chart - Wikipedia

    en.wikipedia.org/wiki/Smith_chart

    Using the Smith chart, the normalised impedance may be obtained with appreciable accuracy by plotting the point representing the reflection coefficient treating the Smith chart as a polar diagram and then reading its value directly using the characteristic Smith chart scaling. This technique is a graphical alternative to substituting the values ...

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