Sentence examples for frequency calls for from inspiring English sources

The observation of relatively resistant individual ash trees (although at very low frequency) calls for a rapid germplasm collection effort to establish a breeding program for resistance or tolerance to the disease.

When calls are high pitched, the rather low frequency comments by the observer may not be such a nuisance, but observer commentary renders low frequency calls unsuitable for further analysis.

Moreover, because higher frequency calls are better for spotting smaller prey, each size bat likely pursues different-sized insects.

They send out a series of high frequency calls and listen for the echoes produced when the waves hit something.

In one study, scientists found that a single seismic test can drown out the low-frequency calls of endangered baleen whales for 10,000 square nautical miles -- that's larger than the state of West Virginia.

Quantify the frequency of calls for home medical visits on demand and their time fluctuation in an urban Health Care Center as well as analyze personal characteristics and type of attention.

The frequency of calls for respiratory distress conditions to the regional Mobile Medical Emergency Service MMESS) in the city of Leipzig were investigated.

However, theH2andH∞methods generally result in high-gain controllers at high frequencies, which calls for some truncation measures in the frequency domain.

For all of these vibroacoustic characterizations, a special frequency called the transition frequency separates two domains.

Due to the higher frequency resolution called for by the ERB scale, particularly at low frequencies, the first-order conformal map is less able to follow the desired mapping, and the error is two to three times greater than the Bark-scale case, depending on the sampling rate.

Since we are dealing with discrete signals, transformations between the time and frequency domains call for the application of the discrete Fourier transforms (DFT).