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You can choose your language settings from within the program. The primary use is to measure the power of the spectrum of known and unknown signals. The display of a spectrum analyzer has frequency on the horizontal axis and the amplitude displayed on the vertical axis. The first spectrum analyzers, in the 1960s, were swept-tuned instruments. 1965, the first FFT-based analyzers were introduced in 1967.
Today, there are three basic types of analyzer: the swept-tuned spectrum analyzer, the vector signal analyzer, and the real-time spectrum analyzer. Spectrum analyzer types are distinguished by the methods used to obtain the spectrum of a signal. But while the sweep centers on any particular frequency, it may be missing short-duration events at other frequencies. As above, the receiver reduces the center-frequency of a portion of the input signal spectrum, but the portion is not swept.
Spectrum analyzers tend to fall into four form factors: benchtop, portable, handheld and networked. Bench top spectrum analyzers have historically offered better performance and specifications than the portable or handheld form factor. This type of analyzer is often referred to as a “portable” spectrum analyzer. This form factor is useful for any applications where the spectrum analyzer needs to be taken outside to make measurements or simply carried while in use. Optional battery-powered operation to allow the user to move freely outside. Clearly viewable display to allow the screen to be read in bright sunlight, darkness or dusty conditions. This form factor is useful for any application where the spectrum analyzer needs to be very light and small.
Handheld analyzers usually offer a limited capability relative to larger systems. Battery-powered operation while in the field to allow the user to move freely outside. This form factor does not include a display and these devices are designed to enable a new class of geographically-distributed spectrum monitoring and analysis applications. The key attribute is the ability to connect the analyzer to a network and monitor such devices across a network.