bandpass filter


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bandpass filter

An electronic circuit that accepts a signal and filters out unwanted frequencies, allowing only a particular frequency or frequency range (band of frequencies) to reach the output side. See bandstop filter.
References in periodicals archive ?
Ultra-wideband bandpass filter using CPW-to-microstrip coupling structure, "Electron.
Fluorescence microscopy has traditionally been performed using bandpass filters to isolate peak fluorescence excitation and emission wavelengths for fluorescent labels.
Microwave bandpass filters for wideband communications.
The signal realized after the bandpass filter is shown below:
The bandpass filter wavelengths and depths computed for the model density layers are shown in Table 1.
Bandpass filters are a type of electronic component that isolate the necessary electrical signal by allowing only certain frequencies to pass through.
We assume that the same instrument settings are used for the cell and bead measurements, and ignore the variation of Q ([lambda]) over the narrow range of wavelengths passed by the bandpass filter (T([lambda]) > 0).
By using the bandpass filter to filter all the time series using the same methodology, this paper departs from previous research of Prachowny (1993) and Attfield and Silverstone (1997) incorporating capital and labor to augment estimates of Okun's Law.
The DPA emission is collected using a 395-415 nm bandpass filter.
The decomposition of a time series into business cycle and irregular components using a bandpass filter is a statistical method based on the frequency domain analysis of time series.
An ultraviolet bandpass filter mounted on the camera lens blocks all light returning to the film except UV.