lattice+XP3 源代码

% Program 8_5 % Realization of Gray-Markel Cascaded Lattice Structure % % den is the denominator coefficient vector % num is t…

% Program 8_6 % Transfer Function of Gray-Markel Cascaded % Lattice Structure from the Lattice and % Feedforward Parameters % …

% Program 8_7 % FIR Cascaded Lattice Realization % format long num = input('Transfer function coefficients = '); k = tf2latc(…

function r = invschur(k,PM) % Inverse Schur Algorithm (Lattice form to Autocorrelation Conversion) % ---------------------------…

function [y] = ladrfilt(K,V,x) % LATTICE/LADDER form realization of IIR filters % ----------------------------------------------…

function [a,PM] = stepup(k,P0) % Lattice form to Direct form Conversion % -------------------------------------- % [a,PM] = ste…

function [k,P0] = stepdown(a,PM) % Direct form to Lattice (step-down) Conversion % -------------------------------------- % [k,…

function [K,V] = df2ldrf(b,a) % IIR Direct form to pole-zero Lattice/Ladder form Conversion % ----------------------------------…

function [y] = latcfilt(K,x) % LATTICE form realization of FIR filters % --------------------------------------- % y = latcfilt…

function [b,a] = ldr2dir(K,V) % Lattice/Ladder form to IIR Direct form Conversion % --------------------------------------------…