Sentence examples for by a secondary source from inspiring English sources

The plane wave generated by a secondary source consisting of four speakers is calculated.

Our results show that the segment of registrants ascertained by "BSfreq" has a substantially lower probability, at about 50%, of being ascertained subsequently by a secondary source.

This paper describes a local active noise control system that virtually increases the sound isolation of a dividing wall by means of a secondary source array.

For example, the OSCAR is often used by researchers as a secondary source of nursing home characteristics [ 3].

In a local active noise control system the pressure signal from a single microphone is usually taken as the error signal and cancelled by the action of a secondary source to create a zone of quiet.

The principle of active noise control is to reduce the noise radiated from a primary source by superimposing a signal from a secondary source, which is made identical in amplitude but opposite in phase to the primary sound signal.

The voltage gated Ca2+ channels were not activated during the negative pulse used to elicit the "check" currents, but were activated by positive pre-pulses, thereby providing a secondary source of Ca2+ for CaCC activation.

In Ontario, gestational age is largely estimated by ultrasound dating, and since 2002 hospital medical records departments have recorded gestational age based on the attending physician's best interpretation of all clinical data, backed up by documentation from nursing staff as a secondary source.

The acoustic performance of a secondary source array formed by two loudspeakers is theoretically studied when the acoustic pressure and the secondary particle velocity component is cancelled at a point in its near field with and without a diffracting head present.

Water can be used as a secondary source of energy by converting it into hydrogen and oxygen molecules.

We discuss a new optical configuration for a hard X-ray imaging beamline that allows one to obtain a secondary source of variable size by using two asymmetrically cut bent silicon crystals in Laue geometry.