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function energytable = EnergyTableInit(SNR,M); % Inputs: % subcar_gains : Subcarrier Gains % M : max Constellation Size % Gap : Gap of the system % Noise : Noise Po

function energytable = EnergyTableInit(SNR,M); % Inputs: % subcar_gains : Subcarrier Gains % M : max Constellation Size % Gap : Gap of the system % Noise : Noise Po

#ifndef __msp430_headers_esp430e_h #define __msp430_headers_esp430e_h /* esp430e.h * * mspgcc project: MSP430 device headers * ESP module header * * (c) 2003 by Steve Underwood

% PHASESYM - Function for computing phase symmetry on an image. % % This function calculates the phase symmetry of points in an image. % This is a contrast invariant measure of symmetry. This functio

function energytable = EnergyTableInit(SNR,M); % Inputs: % subcar_gains : Subcarrier Gains % M : max Constellation Size % Gap : Gap of the system % Noise : Noise Po

/************************************************************************** * * ROUTINE * clip * * FUNCTION * determine if speech is clipped * * SYnoPSIS * function clip(s, l) * *

function sig=sigmerge(x1,x2,ratio); %SIGMERGE Add two signals with given energy ratio in dB. % SIG=SIGMERGE(X1,X2,RATIO) adds two signals so that a given % energy ratio expressed in deciBels is satisf

fc=10e10; Tm=0.9e-9; tau=0.2e-9; dt = 1 / fc; % reference sampling period OVER = floor(Tm/dt); % number of samples representing % the pulse e = mod(OVER,

function sig=sigmerge(x1,x2,ratio); %SIGMERGE Add two signals with given energy ratio in dB. % SIG=SIGMERGE(X1,X2,RATIO) adds two signals so that a given % energy ratio expressed in deciBels is satisf

[x]=wavread('c101.wav'); fclose(x); figure(1); plot(x,'LineWidth',2); xlabel('时间 t'); ylabel('幅值 A'); N=length(x); L=200; for i=1:N-L; e(i)=engery(x(i:i+L)); end figure(2); plot(e,'Lin