英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

traducement    
n. 诽谤;中伤



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Physics Tutorial: Pitch and Frequency - The Physics Classroom
    The frequency of a wave refers to how often the particles of the medium vibrate when a wave passes through the medium The frequency of a wave is measured as the number of complete back-and-forth vibrations of a particle of the medium per unit of time
  • 17. 2: Speed of Sound, Frequency, and Wavelength
    Describe the relationship between the speed of sound, its frequency, and its wavelength Describe the effects on the speed of sound as it travels through various media Describe the effects of temperature on the speed of sound Sound, like all waves, travels at a certain speed and has the properties of frequency and wavelength
  • Audio frequency - Wikipedia
    An audio frequency or audible frequency (AF) is a periodic vibration whose frequency is audible to the average human The SI unit of frequency is the hertz (Hz) It is the property of sound that most determines pitch
  • Sound: Definition, Types, Characteristics Frequencies
    The frequency of a wave is the number of oscillations that occur at a given point in the medium per second It is measured in units of hertz (Hz) where 1 Hz = 1 s The wavelength of a sound wave is the distance between two consecutive regions of maximum compression It is typically measured in units of meters (m)
  • Audio Frequency Spectrum – Complete Guide - Electronics Hub
    The Audio Frequency Spectrum is divided into distinct ranges, each with unique sound characteristics that are important in music production and audio engineering Understanding these frequencies helps optimize sound systems, design audio equipment, and create clear, balanced audio
  • Sound - Frequency, Wavelength and Octave - The Engineering ToolBox
    Frequency The frequency - cycles per second - of a sound is expressed in hertz (Hz) The frequency can be expressed as f = 1 T (1) where f = frequency (s-1, 1 s, Hz) T = time for completing one cycle (s) Example - Frequency The time for completing one cycle for a 500 Hz tone can be calculated as T = 1 (500 Hz)
  • Sound waves, amplitude and frequency Sound and noise - BBC
    The amplitude and frequency of a sound wave can be examined using a microphone and oscilloscope By measuring the speed of sound we can apply the wave equation to determine its wavelength
  • The Audio Frequency Spectrum Explained - Headphonesty
    Breaking down the audio frequency spectrum, band by band The audio frequency spectrum spans the frequency range of 20 to 20,000 Hz, defined by the lowest and highest frequencies perceivable to a healthy human ear
  • Sound frequency: what to know to measure? | Svantek Academy
    What is the meaning of frequency in sound? In acoustics, the frequency of sound refers to the number of vibrations or cycles that occur in a sound wave per second, measured in Hertz (Hz) It is an essential concept for representing sound within a frequency spectrum
  • What is frequency of sound definition? - Physics Network
    Frequency is the measurement of the number of times that a repeated event occurs per unit of time The frequency of wave-like patterns including sound, electromagnetic waves (such as radio or light), electrical signals, or other waves, expresses the number of cycles of the repetitive waveform per second How do you explain frequency?





中文字典-英文字典  2005-2009