单词 | fundamental frequency |
例句 | If a wind instrument, such as a tuba, has a fundamental frequency of 32.0 Hz, what are its first three overtones? College Physics for AP Courses 2015-08-12T00:00:00Z Over five decades, the “fundamental frequency” of a test group of women’s voices dropped by 23 Hz, which correlates with women’s entry into a previously male-dominated workplace. The secret life of an anonymous speechwriter to the stars 2020-05-03T04:00:00Z The lowest frequency an individual produced – what in acoustics is called their fundamental frequency – and the loudness of its calls were the factors that best differentiated among the captive individuals. Scientist at work: Identifying individual gray wolves by their howls 2018-07-29T04:00:00Z But “the fundamental frequency of those calls was above 10 kilohertz,” he said. This Hummingbird Chirps Like an Insect. Can It Hear Its Own Sound? 2018-03-05T05:00:00Z “Extroverts show greater variation in fundamental frequency, greater voice quality, and fewer silent pauses … and high extroversion strongly predicts infidelity,” the study found. He sounds like a cheater, doesn’t he? You can detect infidelity in a person’s voice, study finds. 2017-09-26T04:00:00Z If the fundamental frequency f is created by a wavelength λ, then which of the following describes the frequency and wavelength associated with the tube’s fourth overtone? College Physics for AP Courses 2015-08-12T00:00:00Z The ability to differentiate fundamental frequencies is critical for perceiving speech, and is an integral part of how we recognize and process sounds in complex and noisy environments. Even A Few Years Of Music Training Benefits The Brain 2012-08-21T22:15:02.717Z The fundamental frequency seemingly is relatively unimportant in determining the general pitch of the call, a characteristic most dependent on the dominant frequency and emphasized harmonics in the higher-frequency spectrum. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z Mark grinned again, admiring her image in his mind, and set about his catalogue to find the fundamental frequency of that old copy of himself. World Without War He would mean that both strings vibrated with the same fundamental frequency. Letters of a Radio-Engineer to His Son Calculate the fundamental frequency of the string and wave speed present if the string length is reduced to 2/3 L. College Physics for AP Courses 2015-08-12T00:00:00Z As in speech the frequencies vary constantly, many pitches constituting even a single spoken word, so the alternating voice currents are of great varying complexity, and every fundamental frequency has its harmonics superposed. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. For the most part the calls of Smilisca consist of little modified energy of the fundamental frequency and of its harmonics, some of which are emphasized. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z The resonant frequencies of the string are not integer multiples of fundamental frequencies. College Physics for AP Courses 2015-08-12T00:00:00Z When it vibrates as a whole, its frequency is the lowest possible, the fundamental frequency as we say. Letters of a Radio-Engineer to His Son The resonant frequencies of the string are integer multiples of fundamental frequencies. College Physics for AP Courses 2015-08-12T00:00:00Z An average man speaks mostly between the fundamental frequencies of 85 and 160 per second. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. All individuals of S. baudini recorded at higher temperatures had faster pulse rates and higher fundamental frequencies. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z Figure 16.40 The figure shows a string oscillating at its fundamental frequency. College Physics for AP Courses 2015-08-12T00:00:00Z Waves on a string are resonant standing waves with a fundamental frequency and can occur at higher multiples of the fundamental, called overtones or harmonics. College Physics for AP Courses 2015-08-12T00:00:00Z In this case, the overtones or harmonics are multiples of the fundamental frequency. College Physics for AP Courses 2015-08-12T00:00:00Z Note that a tube open at both ends has a fundamental frequency twice what it would have if closed at one end. College Physics for AP Courses 2015-08-12T00:00:00Z What are the first three overtones of a bassoon that has a fundamental frequency of 90.0 Hz? College Physics for AP Courses 2015-08-12T00:00:00Z What length should an oboe have to produce a fundamental frequency of 110 Hz on a day when the speed of sound is 343 m/s? College Physics for AP Courses 2015-08-12T00:00:00Z |
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