Functions (53 items):
- dspl_bessel_i0("vector") — (x) modified bessel function of the first kind I0(x).
- dspl_butter_ap("1:number", "2:number") — (x) calculates the transfer function H(s) coefficients of analog normalized lowpass Butterworth filter.
- dspl_butter_ap_zp("1:number", "2:number") — (x) calculates arrays of zeros and poles for analog normlized lowpass Batterworth filter transfer function H(s).
- dspl_cdft("vector") — (x) calculates the n-point discrete Fourier transform complex signal x.
- dspl_cfft("vector") — (x) calculated n-points FFT for the complex vector x.
- dspl_cgoertzel("1:vector", "2:vector") — (x) calculates samples of n-point DFT, according to ind indexes vector (Goertzel algorithm).
- dspl_cheby1_ap("1:number", "2:number") — (x) calculates the transfer function H(s) coefficients of analog normalized lowpass Chebyshev type 1 filter.
- dspl_cheby1_ap_zp("1:number", "2:number") — (ord,rp) calculates arrays of zeros and poles for analog normlized lowpass Chebyshev type 1 filter transfer function H(s).
- dspl_cheby2_ap("1:number", "2:number") — (rs,ord) calculates the transfer function H(s) coefficients of analog normalized lowpass Chebyshev type 2 filter.
- dspl_cheby2_ap_zp("1:number", "2:number") — (ord,rs) calculates arrays of zeros and poles for analog normlized lowpass Chebyshev type 2 filter transfer function H(s).
- dspl_cidft("vector") — (x) calculates the n-point inverse discrete transform Fourier complex spectrum x.
- dspl_cifft("vector") — (x) calculates n-point IFFT of complex data x.
- dspl_concat("1:vector", "2:vector") — (a,b) concatenate arrays a and b.
- dspl_conv("1:vector", "2:vector") — (a,b) convolves two complex vectors.
- dspl_decimate("1:vector", "2:number") — (x,d) decimates the real vector x by d times.
- dspl_dft("vector") — (x) calculates the n-point discrete Fourier transform real signal x.
- dspl_ellip_ap("1:number", "2:number", "3:number") — (rp,rs,ord) calculates the transfer function H(s) coefficients of analog normalized lowpass elliptic filter.
- dspl_ellip_ap_zp("1:number", "2:number", "3:number") — (ord,rp,rs) calculates arrays of zeros and poles for analog normlized lowpass elliptic filter transfer function H(s).
- dspl_farrow_lagrange("1:vector", "2:number", "3:number") — (s,p,q) resamples the input signal s by p/q times.
- dspl_farrow_lagrange("1:vector", "2:number", "3:number", "4:number") — (s,p,q,frd) resamples the input signal s by p/q times with a fractional delay offset frd.
- dspl_farrow_spline("1:vector", "2:number", "3:number") — (s,p,q) resamples the input signal s by p/q times.
- dspl_farrow_spline("1:vector", "2:number", "3:number", "4:number") — (s,p,q,frd) resamples the input signal s by p/q times with a fractional delay offset frd.
- dspl_fcoeff("1:vector", "2:vector", "3:number", "4:number") — (t,x,T,nw) calculates Fourier series coefficient for real vector x.
- dspl_fft("vector") — (x) calculated n-points FFT for the real vector x.
- dspl_fft_mag("1:vector", "2:number") — (x,fs) calculates the frequency response for a real vector x.
- dspl_fft_mag("1:vector", "2:number", "3:string") — (x,fs,flag) calculates the frequency response for a real vector x.
- dspl_fft_shift("vector") — (x) perform a shift of the vector x, for use with the fft and ifft functions, in order to move the frequency 0 to the center.
- dspl_filter_freq_resp("1:vector", "2:vector", "3:number", "4:vector", "5:string") — (b,a,ord,w,flag) calculates magnitude, phase response and group delay vectors for digital or analog filter.
- dspl_filter_iir("1:vector", "2:vector", "3:number", "4:vector") — (b,a,ord,s) calculates real IIR filter output for real signal s.
- dspl_fir_linphase("1:number", "2:number", "3:number", "4:string", "5:string", "6:number") — (ord,w0,w1,ftype,wtype,wprm) calculates linear-phase FIR filter coefficients by window method.
- dspl_flipip("vector") — (x) flips complex vector x in the memory.
- dspl_freqs("1:vector", "2:vector", "3:number", "4:vector") — (b,a,ord,w) calculates the values of the complex gain H(jω) of the analog filter.
- dspl_freqz("1:vector", "2:vector", "3:number", "4:vector") — (b,a,ord,w) calculates the values of the complex gain H(e^jω) of the digital filter.
- dspl_fseries("1:matrix", "2:vector") — (ws,t) reconstructs the time function from Fourier series coefficients.
- dspl_fseries("1:vector", "2:vector", "3:vector") — (w,s,t) reconstructs the time function from Fourier series coefficients.
- dspl_goertzel("1:vector", "2:vector") — (x,ind) calculates samples of n-point DFT, according to ind indexes vector (Goertzel algorithm).
- dspl_group_delay("1:vector", "2:vector", "3:number", "4:string", "5:vector") — (b,a,ord,flag,w) calculates group delay for digital or analog filter.
- dspl_iir("1:number", "2:number", "3:number", "4:number", "5:number", "6:string") — (rp,rs,ord,w0,w1,ftype) calculates the coefficients of the digital IIR filter transfer fucntion H(z).
- dspl_linspace("1:number", "2:number", "3:number", "4:string") — (x0,x1,n,type) fills a vector with n linearly spaced elements between x0 and x1.
- dspl_logspace("1:number", "2:number", "3:number", "4:string") — (x0,x1,n,type) fills a vector with n logarithmically spaced elements between 10^x0 and 10^x1.
- dspl_ones("number") — (n) returns vector filled by ones values.
- dspl_phase_delay("1:vector", "2:vector", "3:number", "4:string", "5:vector") — (b,a,ord,flag,w) calculates phase delay for digital or analog filter.
- dspl_randb("number") — (n) generates a binary unipolar [0, 1] pseudo-random vector.
- dspl_randb2("number") — (n) generates a binary unipolar [-1, 1] pseudo-random vector.
- dspl_randi("1:number", "2:number", "3:number") — (n,start,stop) generates a pseudo-random vector of integers ranging from start to stop inclusive.
- dspl_randinit("1:string", "2:number") — (type,seed) pseudorandom numbers generators initialization.
- dspl_randn("1:number", "2:number", "3:number") — (n,mu,sigma) generates a vector of normally distributed pseudo-random numbers.
- dspl_randu("number") — (n) generates a vector of uniformly distributed pseudo-random numbers in the range from 0 to 1.
- dspl_scale_lin("1:vector", "2:number", "3:number", "4:number", "5:number") — (x,xmin,xmax,dx,h) vector x linear transformation.
- dspl_sum("vector") — (x) returns the sum of the elements of a real vector x.
- dspl_sum_sqr("vector") — (x) returns the sum of squares of the elements of a real vector x.
- dspl_window("1:number", "2:string") — (n,wtype) calculates a periodic or symmetric window function.
- dspl_window("1:number", "2:string", "3:number") — (n,wtype,wprm) calculates a periodic or symmetric window function.