The Hopfield model is a distributed model of an associative memory. Neurons are pixels and can take the values of -1 (off) or +1 (on). The network has stored a certain number of pixel patterns. During a retrieval phase, the network is started with some initial configuration and the network dynamics evolves towards the stored pattern which is closest to the initial configuration.
標(biāo)簽： model distributed associative Hopfield
上傳時間： 2015-06-17
上傳用戶：l254587896
The same two-stage decoder as above. However, when transforming the symbols prior to Viterbi decoding, the amplitude information is ignored and only the phase of the received symbol is employed in the metric computation stage.
標(biāo)簽： transforming two-stage However decoder
上傳時間： 2015-07-05
上傳用戶：sevenbestfei
This mfile illustrates a simple two path Rayleigh multipath fading channel This mfile inputs an unmodulated sinewave through a simple Rayleigh two path fading channel and shows the output with phase, gain, and attenuation characteristics via animation
標(biāo)簽： mfile This illustrates multipath
上傳時間： 2014-08-30
上傳用戶：lindor
Blind Equalizer 的演算法主要是利用CMA及 LMS 的配合，當(dāng)CMA將EYE打開，使訊號趨近于正確值，就切換到LMS，利用Slicer的輸出當(dāng)作training sequence來調(diào)整Equalizer的系數(shù)，而Carrier Recovery 的部份，則是將phase error track出來
標(biāo)簽： Equalizer Blind CMA LMS
上傳時間： 2013-12-28
上傳用戶：it男一枚
假近鄰法(False Nearest Neighbor, FNN)計算嵌入維的Matlab程序 文件夾說明： Main_FNN.m - 程序主函數(shù)，直接運(yùn)行此文件即可 LorenzData.dll - 產(chǎn)生Lorenz時間序列 PhaSpaRecon.m - 相空間重構(gòu) fnn_luzhenbo.dll - 假近鄰計算主函數(shù) SearchNN.dll - 近鄰點(diǎn)搜索 buffer_SearchNN_1.dll - 近鄰點(diǎn)搜索緩存1 buffer_SearchNN_2.dll - 近鄰點(diǎn)搜索緩存2 參考文獻(xiàn)： M.B.Kennel, R.Brown, H.D.I.Abarbanel. Determining embedding dimension for phase-space reconstruction using a geometrical construction[J]. Phys. Rev. A 1992,45:3403.
標(biāo)簽： Main_FNN Neighbor Nearest Matlab
上傳時間： 2013-12-10
上傳用戶：songnanhua
鎖相回路可視為一個輸出相位和輸入相位的回授系統(tǒng)用以同步輸入?yún)⒖加嵦柡突厥诤筝敵鲂盘枴２⒆屍洳僮魍瑯拥念l率。如(圖一)所示，簡單鎖相回路[3,4]是由三個電路構(gòu)成，分別為相位偵測器（Phase Detector）、回路濾波器（Loop Filter）、壓控蕩器（VCO）
上傳時間： 2015-08-16
上傳用戶：franktu
MULTIDIMENSIONAL SCALING in matlab by Mark Steyvers 1999 ％needs optimization toolbox ％Modified by Bruce Land ％--Data via globals to anaylsis programs ％--3D plotting with color coded groups ％--Mapping of MDS space to spike train temporal profiles as described in ％Aronov, et.al. "Neural coding of spatial phase in V1 of the Macaque" in ％press J. Neurophysiology
標(biāo)簽： MULTIDIMENSIONAL optimization Modified Steyvers
上傳時間： 2015-08-26
上傳用戶：kytqcool
Verilog HDL: Magnitude For a vector (a,b), the magnitude representation is the following: A common approach to implementing these arithmetic functions is to use the Coordinate Rotation Digital Computer (CORDIC) algorithm. The CORDIC algorithm calculates the trigonometric functions of sine, cosine, magnitude, and phase using an iterative process. It is made up of a series of micro-rotations of the vector by a set of predetermined constants, which are powers of two. Using binary arithmetic, this algorithm essentially replaces multipliers with shift and add operations. In a Stratix™ device, it is possible to calculate some of these arithmetic functions directly, without having to implement the CORDIC algorithm.
標(biāo)簽： representation Magnitude the magnitude
上傳時間： 2013-12-24
上傳用戶：金宜
The Engineering Vibration Toolbox is a set of educational programs written in Octave by Joseph C. Slater. Also included are a number of help files, demonstration examples, and data files containing raw experimental data. The codes include single degree of freedom response, response spectrum, finite elements, numerical integration, and phase plane analysis.
標(biāo)簽： C. Engineering educational Vibration
上傳時間： 2013-11-29
上傳用戶：jkhjkh1982
A system simulation environment in Matlab/Simulink of RFID is constructed in this paper. Special attention is emphasized on the analog/RF circuit.Negative effects are concerned in the system model,such as phase noise of the local oscillator,TX-RX coupling,reflection of the environment, AWGN noise,DC offset,I/Q mismatch,etc.Performance of the whole system can be evaluated by changing the coding method,parameters of building blocks,and operation distance.Finally,some simulation results are presented in this paper.
標(biāo)簽： environment constructed simulation Simulink
上傳時間： 2014-01-09
上傳用戶：zhangliming420
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