frequency
What is radio frequency ?
Frequency is how often a wave passes a fixed point per unit of time
เว็บไซต์ frequency Frequency is how often a wave passes a fixed point per unit of time frequency Frequency is defined as the number of cycles per unit time Frequency is usually used to represent short and fast waves like sound and radio
frequency Radio Frequency Safety Also, since energy at some frequencies is absorbed by the human body more readily than at other frequencies, both the frequency of the ˈfrikwɛnsi · noun the number of occurrences within a given time period “the frequency of modulation was 40 cycles per second” · noun the number of The frequency of the letters of the alphabet in English The inventor of Morse code, Samuel Morse , needed to know this so that he could give the
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