關於 high frequencies ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. High Frequency Hearing Loss: Causes, Risk Factors, and ...

Exposure to loud sounds or high frequency sounds are common causes of ear damage in younger people. In this article, we're going to take a look ...

#12. High frequency Definition & Meaning - Merriam-Webster

The meaning of high frequency is a radio frequency between very high frequency and medium frequency.

#13. Positive and Negative Hypersonic Effects - PLOS

Frequencies of Inaudible High-Frequency Sounds Differentially Affect Brain Activity: Positive and Negative Hypersonic Effects.

#14. Extended high frequency hearing and speech perception ...

Speech perception, especially in noise, is related to extended high frequency hearing sensitivity. Abstract. Extended high frequencies (EHF), above 8 kHz, ...

#15. Rheology of rounded mammalian cells over continuous high ...

Understanding the viscoelastic properties of living cells and their relation to cell state and morphology remains challenging. Low-frequency ...

#16. Contribution of high frequencies to speech recognition in quiet ...

Data from the EHI listeners revealed that performance for unshaped speech was correlated moderately and negatively with degree of high-frequency hearing ...

#17. A New Field of Cavitation‐Free Acoustic Materials Synthesis ...

1.2 High-Frequency Acoustic Excitation: The Possibility for ... This is because with higher frequencies, the wavelengths λ become ...

#18. Bulk rheometry at high frequencies: a review of experimental ...

High -frequency rheology is a form of mechanical spectroscopy which provides access to fast dynamics in soft materials and hence can give ...

#19. (PDF) High-Frequency Hearing - ResearchGate

high-frequency sounds. The purpose of this chapter is to explain both why. mammals have good high frequency hearing and why. they differ in this ...

#20. Murata Electronics High-Frequency Ceramic Capacitors

Murata High-Frequency Capacitors are available at Mouser Electronics. The Murata GQM and GJM Series are ideal for applications in the 500MHz to 10GHz range.

#21. HF | frequency band | Britannica

Schematic diagram showing the propagation of high-frequency (shortwave) radio waves by reflection off the ionosphere. Specific ionization conditions vary ...

#22. High Frequency Band - Ofinno

High Frequency Band. Frequencies above 52.6 GHz have a great potential for various services. For example, the frequency range from 57-71 GHz can be used for ...

#23. Frequency Hearing Ranges in Dogs and Other Species

The plot of responses is a bowl-shaped curve, steeper on the high frequency end. A series of five typical audiograms for different dogs (Canis canis) is ...

#24. Very regular high-frequency pulsation modes in young ... - arXiv

However, a large group of pulsating stars of intermediate ... of remarkably regular sequences of high-frequency pulsation modes in 60 ...

#25. High-frequency hearing loss: Can hearing aids help? - Mayo ...

Today's hearing aids are effective for all types of hearing loss — including high-frequency hearing loss.

#26. super high frequency (SHF) - 超高頻 - 國家教育研究院雙語詞彙

出處/學術領域, 中文詞彙, 英文詞彙. 學術名詞 氣象學名詞, 超高頻, ultra high frequency (UHF). 學術名詞 通訊工程, 超高頻, ultrahigh frequency (UHF). 學術名詞

#27. Extended high-frequency audiometry in healthy adults with ...

It was well-documented that extended high-frequency (EHF, above 8 kHz) hearing test could be more sensitive comparing with the conventional ...

#28. Ultrasound and high frequency sound | FPS Public Health

Sounds with a frequency of 20 kHz and higher are referred to as ultrasound (or ultrasonic sound). High frequency sound is sound of which the ...

#29. Low, Mid, and High Frequency Sounds and their Effects

A complete guide to sound waves and low, mid, and high frequency noises, as well as the effects of infrasound and ultrasound waves.

#30. Audiologic Profile at the High Frequencies in Individuals ...

Introduction: High frequency audiometry is important to detect early hearing loss installed at the lower part of the cochlea and it is also important in ...

#31. Super High Frequency | Business and Products | DKK Co., Ltd.

Given their ability to carry enormous amounts of data, super high frequency waves are used for relaying broadcast programs (STL/TSL/TTL), radar (weather, ...

#32. What are high-frequency electromagnetic fields? - Bundesamt ...

Electric and magnetic fields in the frequency range between 100 kilohertz and 300 gigahertz are referred to as high-frequency fields.

#33. High-Frequency Signal Relays | Panasonic Industrial Devices

High -frequency signal relay applications, switching, testing, measurement, and communication.

#34. Could You Be Suffering From High Frequency Hearing Loss?

Losing the ability to hear high frequencies is a common early side effect of hearing loss. People are diagnosed with high frequency hearing loss ...

#35. How high can you actually hear? Test yourself and find out

#36. Understanding Resistor Behavior at High Frequencies

Wondering why resistor behavior at high frequency is different from low frequency behavior? This article covers what you need to know.

#37. Quantifying the high-frequency trading "arms race" - Bank for ...

We use stock exchange message data to quantify the negative aspect of high-frequency trading, known as "latency arbitrage".

#38. High Frequency and RF Relays | RS Components

High frequency and RF (radio frequency) relays perform switching functions by using radio signals. They are commonly found in computers and radio equipment.

#39. Could You Have High Frequency Hearing Loss? Know The ...

High frequency hearing loss is a condition that occurs when the ear becomes unable to hear high-pitched sounds. According to the Hearing ...

#40. SHAred RESources (SHARES) High Frequency (HF) Radio ...

The SHAred RESources (SHARES) High Frequency (HF) Radio program provides an additional means for users with a national security and ...

#41. Extended High Frequencies Provide Both Spectral and ...

Several studies have demonstrated that extended high frequencies (EHFs; >8 kHz) in speech are not only audible but also have some utility ...

#42. Dashboard of High-Frequency Indicators - gov.ie

To assess economic activity in real-time, the department has compiled a set of alternative, 'ultra-high' frequency data for different sectors of ...

#43. UCC24612 High Frequency Synchronous Rectifier Controller ...

UCC24612 High Frequency Synchronous Rectifier Controller. 1. 1 Features. 1• Supports Topologies such as Active Clamp. Flyback, QR, DCM, CCM Flyback and LLC.

#44. Different Types of RFID Systems - Impinj

RFID systems and frequencies. RFID systems can be broken down by the frequency band within which they operate: low frequency, high frequency, and ultra-high ...

#45. What is High Frequency (HF)? - Definition from Techopedia

High frequency (HF) is an electromagnetic frequency defined by the International Telecommunications Union (ITU) for radar and radio communications.

#46. What is the difference between low-, high-, and ultra-high ...

RFID systems use many different frequencies, but generally the most common are low-frequency (around 125 KHz), high-frequency (13.56 MHz) and ultra-high- ...

#47. High Frequency Radar - EuroGOOS

High -frequency radar (HFR) is a unique technology mapping ocean surface currents and wave fields (along with other variables) over wide areas with high ...

#48. High-Frequency Trading (HFT) Definition - Investopedia

High -frequency trading (HFT) uses powerful computer programs to transact a large number of orders in fractions of a second.

#49. Why are high frequency sounds typically the first to go in ...

High -frequency hearing loss is a condition where people have difficulty hearing sounds between the 2000 to 8000 Hertz range. This means that certain.

#50. High-Frequency Characteristics Required of Relays

In high-frequency circuits, signals do not always flow in one direction. If the impedance (more details later) is mismatched at any point, the signal will be ...

#51. Graphene hits the right note at high frequencies - Materials ...

graphene can covert high frequency gigahertz signals into the terahertz range.

#52. Pitch and Frequency - The Physics Classroom

The sensation of a frequency is commonly referred to as the pitch of a sound. A high pitch sound corresponds to a high frequency sound wave and a low pitch ...

#53. High-Frequency Hearing Loss Effects and Causes - Verywell ...

People with high-frequency hearing loss can't hear sounds in higher frequencies, such as sounds like the letters s, h, and f.

#54. High Frequencies | Spotify

Listen to High Frequencies on Spotify. Artist · 768 monthly listeners.

#55. High Frequency Transducers - Olympus-IMS.com

High frequency transducers are single element contact or immersion transducers designed to produce frequencies of 20 MHz and greater.

#56. Measurement of Resistance and Impedances at High ...

It is well known that the resistance of a conductor increases with frequency. At very high frequencies the usual method of measurement fail, especially if ...

#57. Impact of High-Frequency Vibrations on Metal Items ...

... forced vibrations of objects on resonance frequencies could significantly change ... performance with simultaneous application of high-frequency vibrations.

#58. High-Frequency Hearing Influences Lower ... - JAMA Network

The poorer high-frequency DPOAE levels in the left ear were not surprising, ... significantly correlated with auditory thresholds as higher frequencies, ...

#59. high frequency | 例句 - Cambridge Dictionary

high frequency 尚未收入劍橋詞典。敬請幫助！ 添加定義. For each severity scale, 0 indicates no impairment or the absence of a particular behaviour, 5 ...

#60. ‎High-Frequency Noise Monitor on the App Store

"High-Frequency Noise Monitor" is a high-frequency noise analysis tool that specializes in high-frequency bands above 8 kHz.

#61. High-Frequency Sound in a Unitary Fermi Gas

High -Frequency Sound in a Unitary Fermi Gas. C. C. N. Kuhn, S. Hoinka, I. Herrera, P. Dyke, J. J. Kinnunen, G. M. Bruun, and C. J. Vale.

#62. 5 Tips for Mixing High End - iZotope

In audio production, mixing high end can be a challenge for producers of all levels. Learn tips for taming high frequency for more balanced ...

#63. High-frequency hearing loss – See symptoms, causes ...

A high-frequency hearing loss makes you less able to hear sounds that occur in the higher end of frequencies, such as children's and women's voices.

#64. High Frequency Facial Machines - Amazon.com

Online shopping for High Frequency Machines from a great selection at Beauty & Personal Care Store.

#65. A quick and reliable estimate of extended high-frequency ...

To encourage researchers to perform high-frequency threshold ... approach over standard pure-tone audiometry in the extended high-frequency ...

#66. High Frequency Vibrations | Engineering - University of ...

The noise and vibration behaviour of structures at higher frequencies has been a strong area of research activity of the Dynamics Group of the ISVR at the ...

#67. Power and High Frequencies Devices | IMM Container

The development of new technologies for energy efficient high-power and high-frequency devices is driven by strategic interests in different fields, e.g., ...

#68. Fundamentals of Passive Component Behavior at High ...

16 High Frequency Electronics. High Frequency Design ... goes, “At high frequencies, all components are. R, L and C.” As application frequencies.

#69. High-frequency broadband laser phase noise cancellation ...

At low frequencies, acoustic isolation of fibers has been successfully implemented [17], but at higher frequencies the thermomechanical and ...

#70. Why have dogs evolved to hear higher pitches than us?

#71. RFID Frequencies: Low, High, and Ultra High; What They are ...

We will specifically review the frequencies and some of the behavioral ... So, a high frequency tag with an operating frequency of 13.56 MHz ...

#72. Wave Frequency ( Read ) | Physics | CK-12 Foundation

Definition of wave frequency and how it is related to the energy of a wave. ... High frequency and low frequency transverse waves [Figure2].

#73. Advanced High Frequency Devices | NIST

Relevant high-frequency devices include modern computer processors, microwave devices based on magnetization dynamics, and mechanically resonant ...

#74. High frequency Definition & Meaning | Dictionary.com

High frequency definition, the range of frequencies in the radio spectrum between 3 and 30 megahertz. See more.

#75. Extremely high frequency sensitivity in a 'simple' ear - Journals

While the highest known frequency of bat echolocation calls is 212 ... The use of very high frequencies by certain bats led us to ask the ...

#76. High Frequency Amplifiers (> 6 GHz) - Qorvo

Qorvo designs and develops exceptional high frequency amplifiers, which offer best-in-class high linearity and low power consumption. Learn more.

#77. HIGH Frequency Fridays

Did we mention all programming is free with Museum membership? Reserve your tickets today for HIGH Frequency Friday. Preregistration strongly encouraged. This ...

#78. high-frequency - EPC Co

... and high-frequency power conversion. These studies have shown that eGaN FETs have large efficiency and power density advantages over silicon MOSFETs.

#79. HF - High Frequency

#80. conventional hearing thresholds and at high frequencies

Conventional and high-frequency audiometry was performed in 42 music students (Madsen Itera II audiometer and TDH39P headphones for conventional audiometry, and ...

#81. High Frequency Economics: Home

For over 25 years, investment professionals have relied on High Frequency Economics for singular economic insights. Carl Weinberg and Jim O'Sullivan—two of ...

#82. High frequency definition and meaning - Collins Dictionary

High frequency is any radio frequency in the range of 3 to 30 MHz. Clocks, lasers, and other systems that need either strong resonance or high frequency ...

#83. Diffraction

High frequency sounds, with short wavelengths, do not diffract around most obstacles, ... Such is the case with high frequencies with respect to the head, ...

#84. High Frequency MoS2 Nanomechanical Resonators - ACS ...

Very high frequency (VHF) thermomechanical resonances measured from smaller and thinner MoS2 resonators. For each of the four devices, optical ...

#85. High-frequency homogenization of zero-frequency stop band ...

High -frequency homogenization of zero-frequency stop band photonic and phononic crystals. T Antonakakis4,1,2, R V Craster 1 and S ...

#86. High Frequency | Capacitors | Vishay

Enlarge Capacitors, Fixed MLCC Surface Mount 250.0 1 pF 100 pF Enlarge Capacitors, Fixed MLCC Surface Mount 250.0 1 pF 100 pF Enlarge Capacitors, Fixed MLCC Surface Mount 100.0 1 pF 27 pF Enlarge Capacitors, Fixed Ceramic, Singlelayer Screw Terminal 30000.0 1 nF 1.5 nF

#87. WE-GFH High Frequency SMT Inductor | Passive Components

Order Code Data­sheet L; (µH) I R ; (mA) R DC ; (mΩ) R DC max. ; (mΩ) Q f res ; (MHz) Mount 7447629010 SPEC 1 850 335 408 20 290 SMT 744764901 SPEC 1 1550 140 156 15 175 SMT 744766901 SPEC 1 1900 81 110 15 265 SMT

#88. How High Frequency Filter Response Can Be Destroyed - In ...

If your EMI filter is failing in high frequencies, check the frequency response of the components: parasitics limit the filtering ...

#89. High Frequency Strategy — Science Website - NRAO

Ku-band, being the lowest of these high frequency bands, can, in some cases, be more suitably grouped with lower frequencies, e.g., when ...

#90. High frequency oscillations are associated with cognitive ...

High frequency oscillations have been associated with focal epilepsy, but their role in human cognition is less clear.

#91. The Origin of High-Frequency Hearing in Whales - Cell Press

Hearing at higher frequencies began in the ancestors of toothed whales ... the archaeocetes, were more sensitive to high-frequency sound ...

#92. High Frequency Audiometry - Interacoustics

High frequency audiometry is helpful when testing hearing impairments caused by ototoxicity, noise exposure, and acoustic traumas or in the assessment of ...

#93. New high-frequency (7–12 kHz) quasi-periodic VLF emissions ...

Two high-frequency QP emission events have been studied in detail. The emissions were right-hand polarized waves indicating an overhead location ...

#94. High-Frequency Oscillations in Epilepsy | Neurology

Over the past 2 decades, high-frequency oscillations (HFOs) have received significant attention as promising biomarkers for seizure localization ...

#95. Superoptimal Perceptual Integration Suggests a Place-Based ...

We found that high-frequency pure-tone discrimination was poor, ... complex pitch at high frequencies has important implications for the ...

#96. High-frequency ventilation in adults - UpToDate

High -frequency ventilation (HFV) is a form of mechanical ventilation that combines very high respiratory rates (>60 breaths per minute) with ...