low-pass filter

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low-·pass fil·ter

a device or material with the opposite effect from a high-pass filter; most tissues act as low-pass filters of ultrasound signals.
Farlex Partner Medical Dictionary © Farlex 2012

low-pass filter

A filter that removes high-frequency waves from a sample, allowing only those below a specified frequency to pass.
See also: filter
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Figures 7, 8, 9, 10,11, and 12 show the simulated results of noninverting bandpass ([V.sub.o1]), inverting low-pass ([V.sub.o2]), inverting high-pass ([V.sub.o3]), noninverting high-pass ([V.sub.o4]), inverting bandpass ([V.sub.o5]), and noninverting low-pass ([V.sub.o6]) frequency responses, respectively.
But during the practical implementation of the digital PGC scheme it is impossible to provide infinite passbands of digital low-pass filters.
Variety of low-pass filters have been developed rapidly recently as they are extensively applied in modern wireless systems [19-24].
Figure 5 shows dynamic compensated data without the low-pass filter.
Compute the desired impulse response coefficients [h.sub.d](n) of low-pass FIR filter of specified length and initial cut-off frequency;
LOW-PASS FILTERING ATTRIBUTES OF PERIODICALLY TRANSPOSED MICROSTRIP LINES
A Band Pass Filter with Third-order Low-pass Filter Topology and Optimization in ADS
The values in Table 1 were obtained for two 8-orders Butterworth low-pass filters F1 and F2.
Because the VTF-3 MK-3 has that variable low-pass adjustment range of 30-90 Hz, it can integrate to near perfection with any slope offerings available with the high-pass network.
It is incorrect, however, to suggest that the low-pass filtering of a telephone line would not be a severe impediment to accurate forensic analysis of audiocassettes.
The TorqueMate Plus' software allows the operator to select 3 different Low-Pass filters for testing dynamic tools and also quickly identifies the correct range of any smart-enabled transducers, adding plug-and-play ease of transducer interfacing to reduce the possibility of operator error in recording data.
The MCU also provides an 8-channel 10-bit analog-to-digital converter, as well as a 2-channel 10-bit Pulse Width Modulation (PWM) output that can be used as a digital-to-analog converter by connecting a low-pass filter.
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