- normal frequency
- 常态频率
Atmospheric Sciences (English-Chinese) dictionary. 2014.
normal frequency
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Frequency management challenges in military forces — Every military force has a goal to ensure and have permanent access in the spectrum of radio frequencies to meet its vital military tasks. This is based on strategies, doctrines and different policies that military forces adhere to.The nature of… … Wikipedia
Normal Music — Studio album by Merzbow Released 1982 Recorded 1982 at various studios Genre Noise … Wikipedia
normal distribution — n. Statistics a symmetrical distribution, represented on a graph by a BELL CURVE, in which the class with the highest frequency is at the center and the classes with the lowest frequency are at each end … English World dictionary
Normal mode — For other types of mode, see Mode (disambiguation). Vibration of a single normal mode of a circular disc with a pinned boundary condition along the entire outer edge. See other modes. A normal mode of an oscillating system is a pattern of motio … Wikipedia
Normal number — For the floating point meaning in computing, see normal number (computing). In mathematics, a normal number is a real number whose infinite sequence of digits in every base b[1] is distributed uniformly in the sense that each of the b digit… … Wikipedia
Normal distribution — This article is about the univariate normal distribution. For normally distributed vectors, see Multivariate normal distribution. Probability density function The red line is the standard normal distribution Cumulative distribution function … Wikipedia
Frequency distribution — In statistics, a frequency distribution is an arrangement of the values that one or more variables take in a sample. Each entry in the table contains the frequency or count of the occurrences of values within a particular group or interval, and… … Wikipedia
normal distribution — Statistics. a theoretical frequency distribution represented by a normal curve. Also called Gaussian distribution. [1895 1900] * * * In statistics, a frequency distribution in the shape of the classic bell curve. It accurately represents most… … Universalium
normal distribution — Gaussian distribution The symmetrical bell shaped frequency curve formed when the frequency of a range of values is plotted on the vertical axis against the value of a random variable on the horizontal axis. The bell shape indicates that extreme… … Big dictionary of business and management
Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… … Wikipedia
Frequency mixer — This article is about non linear mixing operating in the frequency domain. For other types of mixers, see electronic mixer. Frequency Mixer Symbol. In electronics a mixer or frequency mixer is a nonlinear electrical circuit that creates new… … Wikipedia
