harmonic average

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Take a dip in analytical math (Zhang Kaijun)

It is said that the latest reform of the college entrance examination of the math test occupies an important share, which reminds of why the "society like Mathematics" this education problem. Since mathematics by the public "attention" to such a

Acoustic term 2)

Psychological acoustics  This paper studies the relationship between subjective hearing and physical quantity of sound. It focuses on the relationship between sound stimulation and response. People's correct feeling and comprehension of sound are

Spherical Harmonics Lighting

The use of spherical harmonics in graphics is growing. It only needs to calculate a small amount of coefficients and does not need to process a large amount of data during runtime. Spherical harmonical can be used to simulate rtgi. I. Spherical

Basic concepts of Signal Processing

Http://blog.sina.com.cn/s/blog_708637950100se7w.html Sensor Type:The sensor can be divided into different types according to the different working modes of each component of the sensor. The relative and absolute (Inertial) types can be divided

Hash probability problem

Hash is a sharp knife, processing a huge amount of data often used, we may often use hash, but some of the characteristics of the hash you have thought about, understand. We can use our knowledge of probabilities and expectations to analyze some

Parameters of crystal oscillator and Crystal

1. Differences between crystal oscillator and Crystal Oscillator 1)Crystal OscillatorIt is short for the source crystal oscillator, also known as the oscillator. The English name is oscillator.CrystalsIt is short for passive crystal oscillator, also

(reproduced) key indicators for high speed ADCs: Quantization error, offset/gain error, DNL, INL, ENOB, resolution, RMS, SFDR, THD, SINAD, DBFS, two-tone IMD

(i) a basic conceptdecibel (db): a amplitude unit defined by a logarithm. For voltage values, the db is given in 20log (VA/VB) and for the power value, given in 10log (PA/PB). DBC is a DB value relative to a carrier signal, and dbm is a DB value

The Fourier transform of the image and the physical meaning of the two-dimensional Fourier transform

From the perspective of modern mathematics, Fourier transform is a special integral transformation. It can represent a function that satisfies a certain condition as a linear combination or integral of the sine basis function. In different fields of

Recommending music on Spotify and deep learning uses depth learning algorithms to make content-based musical recommendations for Spotify

This article refers to http://blog.csdn.net/zdy0_2004/article/details/43896015 translation and the original file:///F:/%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9% A0/recommending%20music%20on%20spotify%20with%20deep%20learning%20%e2%80%93%20sander%20dieleman.

Recommended system metrics-accuracy (Precision), Recall (Recall), F value (f-measure) _dm

 The following is a brief list of common recommended system metrics: 1. Accuracy rate and Recall rate (Precision & Recall) Accuracy and recall rates are two measures widely used in the field of information retrieval and statistical classification

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