| Communications Toolbox |
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- addition in Galois fields
- even number of field elements
- odd number of field elements
ademod
ademodce
- A-law companders
amod
amodce
- amplitude modulation (AM) sample code
- for basic example
- using demodulation offsets
- using filters
- using Hilbert filter
- using Hilbert filter in baseband simulation
- using single and double sidebands
- amplitude shift keying (ASK) sample code
- for mapping
- to plot waveforms
- using passband simulation
- analog signals
- representing
- analog-to-digital conversion
apkconst
- arbitrary signal constellations
arithdeco
arithenco
- arithmetic coding
- arithmetic in Galois fields
- even number of field elements
- odd number of field elements
awgn
- baseband modulated signal
- baseband simulation
- BCH coding
- functions
- generator polynomial
- sample code
- for tracking errors
- using various coding methods
bchdeco
bchenco
bchpoly
bi2de
- binary matrix format
- sample code
- binary numbers, order of digits and
- binary vector format
- sample code
- binary-to-decimal conversion
- bipolar random numbers
- bit error rates
biterr
- bits
- random
- block coding
- functions
- techniques
- See also specific coding techniques
- Bose-Chaudhuri-Hocquenghem (BCH) coding
- functions
- generator polynomial
- sample code
- for tracking errors
- using various coding methods
- carrier frequency (
Fc)
- relative to sampling rate
- carrier signal
- carrier signals
- initial phase
- analog
- digital
- circle signal constellations
- code generator matrices
- converting to parity-check matrices
- sample code
- finding
- representing
- code generator polynomials
- finding
- representing
- codebooks
- optimizing
- for DPCM
- sample code
- sample code for DPCM
- representing
- codewords
- definition
- representing
compand
- companders
- sample code
- complex envelope
- compression
- data
- compressors
- sample code
- conjugate elements in Galois fields
- even number of field elements
- odd number of field elements
- constellations
- arbitrary
- circle
- hexagonal
- sample code
- plotting
- square
- triangular
- sample code
- constraint length
- convolutional code
convenc
- conversion
- analog to digital
- binary to decimal
- binary to octal
- decimal to binary
- exponential to polynomial format
- even number of field elements
- odd number of field elements
- generator matrices to parity-check matrices
- sample code
- octal to decimal
- polynomial to exponential format
- even number of field elements
- odd number of field elements
- sampling rates
- vectors to matrices
convmtx
- convolution
- over Galois fields
- convolutional coding
- examples
- features
- sample code
- using polynomial description
- sample code
- using trellis description
- correction vector
- correlation techniques
- in demodulation
- cosets
- even number of field elements
- odd number of field elements
cosets
- Costas phase-locked loop
- for analog modulation
- for digital modulation
cyclgen
- cyclic coding
- functions
- generator polynomial
- sample code
- compared to generic linear coding
- using various coding methods
- cyclotomic cosets
- even number of field elements
- odd number of field elements
cyclpoly
- data compression
ddemod
ddemodce
de2bi
- decimal format
- sample code
- decision timing
- eye diagrams
- sample code for eye diagrams
- sample code for scatter plots
decode
- decoding tables
- delta modulation
- sample code
- See also differential pulse code modulation
demodmap
- demodulation
- definition
- digital
- digital functions
- features of the toolbox
- noncoherent
- determinants in Galois fields
- even number of field elements
dftmtx
- diagrams
- eye
- sample code
- scatter
- sample code
- differential pulse code modulation (DPCM)
- optimizing parameters
- sample code
- representing parameters
- sample code
- digital modulation
- functions
- digital signals
- representing
- discrete Fourier transforms
- over Galois fields
- distortion
- from DPCM
- from quantization
- division in Galois fields
- even number of field elements
- odd number of field elements
dmod
dmodce
- DPCM
- optimizing parameters
- sample code
- representing parameters
- sample code
dpcmdeco
dpcmenco
dpcmopt
encode
- error analysis
- features of the toolbox
- error integers
- error patterns
- error rates
- bit versus symbol
- sample code
- error-control coding
- base 2 only
- features of the toolbox
- methods supported in toolbox
- terminology and notation
- error-correction capability
- BCH codes
- Hamming codes
- Reed-Solomon codes
- error-rate analysis
- expanders
- sample code
- exponential format in Galois fields
- odd number of field elements
- exponentiation in Galois fields
- even number of field elements
- eye diagrams
- sample code
eyediagram
- factorization
- over Galois fields
- feedback connection polynomials
fft
- fields, finite
- even number of elements
- odd number of elements
filter
- filters
- designing and applying raised cosine
- designing Hilbert transform
- designing raised cosine
- over Galois fields
- even number of field elements
- odd number of field elements
- using after analog demodulation
- choosing cutoff frequency
- resulting time lag
- using after digital demodulation
- using raised cosine
- using square-root raised cosine
- finite fields
- even number of elements
- odd number of elements
- format of Galois field elements
- converting to exponential format
- even number of field elements
- odd number of field elements
- converting to polynomial format
- even number of field elements
- odd number of field elements
- even number of field elements
- odd number of field elements
- formatting
- signals
- Fourier transforms
- over Galois fields
- frequency modulation (FM)
- sample code
- frequency shift keying (FSK)
- sample code
- Galois arrays
- creating
- manipulating variables
- meaning of integers in
- Galois fields
- even number of elements
- odd number of elements
- Gaussian noise
- generating
gen2par
- generator matrices
- converting to parity-check matrices
- sample code
- finding
- representing
- generator polynomials
- finding
- for convolutional code
- representing
gf
gfadd
gfconv
gfcosets
gfdeconv
gfdiv
gffilter
gflineq
gfminpol
gfmul
gfpretty
gfprimck
gfprimdf
gfprimfd
gfrank
gfrepcov
gfroots
gfsub
gftable
gftrunc
gftuple
gfweight
hammgen
- Hamming coding
- functions
- sample code
- using various coding methods
- using various formats
- single-error-correction
- Hamming weight
hank2sys
- hard-decision decoding
- Hilbert filters
- designing
- for amplitude modulation
- sample code
- for baseband amplitude modulation
- sample code
hilbiir
- Huffman coding
ifft
- initial phases of carrier signal
- analog modulation
- digital modulation
- in-phase/quadrature coordinates
- inverses in Galois fields
- even number of field elements
- odd number of elements
- irreducible polynomials
isprimitive
istrellis
- linear algebra in Galois fields
- even number of field elements
- linear block coding
- sample code
- linear predictors
- optimizing
- sample code
- representing
- list of elements of Galois fields
- even number of field elements
- odd number of field elements
- generating
- Lloyd algorithm
lloyds
log
- logarithms in Galois fields
- even number of field elements
- logical operations in Galois fields
- even number of field elements
- mapped signals
- representing
- for PSK and QASK
- mapping
- functions
- without modulating
marcumq
mask2shift
- matrix manipulation in Galois fields
- even number of field elements
- messages
- definition
- representing
- for coding functions
- for modulation functions
- minimal polynomials in Galois fields
- even number of field elements
- odd number of field elements
- minimum distance
- minimum shift keying (MSK)
minpol
mldivide
modmap
- modulated signals
- representing
- modulation
- definition
- delta
- sample code
- See also differential pulse code modulation
- differential pulse code. See differential pulse code modulation
- digital
- digital functions
- features of the toolbox
- methods supported in toolbox
- of several signals
- sample code
- terminology
- without mapping
- mu-law companders
- sample code
- multiple roots over Galois fields
- even number of field elements
- odd number of field elements
- multiplication in Galois fields
- even number of field elements
- odd number of field elements
- nonbinary block codes
- noncausality
- noncoherent demodulation
- Nyquist sampling theorem
oct2dec
- octal
- conversion from binary
- conversion to decimal
- optimizing
- DPCM parameters
- sample code
- quantization parameters
- sample code
- order of digits in binary numbers
- parity-check matrices
- finding
- representing
- partitions
- optimizing
- for DPCM
- sample code
- sample code for DPCM
- representing
- passband simulation
- phase modulation (PM)
- sample code
- phase shift keying (PSK) sample code
- for basic example
- for demapping
- for mapping
- for plotting signal constellation
- phase-locked loop, Costas
- for analog modulation
- for digital modulation
- points, decision
- eye diagrams
- sample code for eye diagrams
- sample code for scatter plots
poly2trellis
- polynomial description of encoders
- sample code
- polynomial format in Galois fields
- even number of field elements
- odd number of field elements
- polynomials
- displaying formatted
- generator
- polynomials over Galois fields
- arithmetic
- even number of field elements
- odd number of field elements
- binary coefficients
- evaluating
- even number of field elements
- even number of field elements
- irreducible
- minimal
- even number of field elements
- odd number of field elements
- odd number of field elements
- primitive. See primitive polynomials.
- roots
- even number of field elements
- odd number of field elements
- predictive error
- predictive order
- predictive quantization
- features of the toolbox
- optimizing parameters
- sample code
- representing parameters
- sample code
- predictors
- linear
- optimizing
- sample code
- representing
- primitive elements
- representing
- primitive polynomials
- consistent use
- default
- even number of field elements
- odd number of field elements
- definition
- even number of field elements
- odd number of field elements
primpoly
- punctured convolutional code
- QAM
- representing signals for
- sample code
- QASK sample code
- using eye diagram
- using scatter plot and square constellation
qaskdeco
qaskenco
- quadrature amplitude modulation (QAM)
- representing signals for
- sample code
- quadrature amplitude shift keying (QASK) sample code
- using eye diagram
- using scatter plot and square constellation
quantiz
- quantization
- coding
- DPCM parameters, optimizing
- sample code
- features of the toolbox
- optimizing parameters
- sample code
- predictive
- sample code
- representing parameters
- sample code
- vector
- raised cosine filters
- designing and applying
- designing but not applying
- filtering with
- square-root
randerr
randint
- random
- bipolar symbols
- bits
- in error patterns
- integers
- signals
- features of the toolbox
- symbols
randsrc
- rank
- in Galois fields
- even number of field elements
- odd number of elements
rcosfir
rcosflt
rcosiir
rcosine
- redundancy
- reducing
- Reed-Solomon coding
- functions
- generator polynomial
- references
- convolutional coding
- error-control coding
- Galois fields
- modulation/demodulation
- representing
- analog signals
- codebooks
- codewords
- decoding tables
- digital signals
- Galois field elements
- even number of field elements
- odd number of field elements
- Galois fields
- even number of field elements
- odd number of field elements
- generator matrices
- generator polynomials
- mapped signals
- for PSK and QASK
- messages
- for coding functions
- for modulation functions
- modulated signals
- parity-check matrices
- partitions
- polynomials over Galois fields
- even number of field elements
- odd number of field elements
- predictors
- quantization parameters
- signal constellations
- roots
- over Galois fields
- binary polynomials
- even number of field elements
- odd number of field elements
rsdec
rsdecof
rsenc
rsencof
rsgenpoly
- sampling rate
- change during mapping
- individual
- of signals
- relative to carrier frequency
- significance
- scalar quantization
- coding
- features of the toolbox
- representing parameters
- sample code
- scatter plots
- sample code
- using modulation
scatterplot
shift2mask
- signal constellations
- arbitrary
- circle
- hexagonal
- sample code
- plotting
- square
- triangular
- sample code
- signal formatting
- features of the toolbox
- Signal Processing Toolbox
- for filter design
- simplifying formats of Galois field elements
- exponential
- odd number of field elements
- polynomial
- odd number of field elements
- soft-decision decoding
- sample code
- solving linear equations over Galois fields
- source coding
- features of the toolbox
- square signal constellations
- subtraction in Galois fields
- even number of field elements
- odd number of field elements
- symbol error rates
symerr
- syndrome
syndtable
- terminology
- modulation/demodulation
- timing, decision
- eye diagrams
- sample code for eye diagrams
- sample code for scatter plots
- training data
- for optimizing DPCM quantization parameters
- for optimizing quantization parameters
- trellis
- description of encoder
- structure
- sample code
- truncating polynomials over Galois fields
- odd number of field elements
- typographical conventions (table)
vec2mat
- vector quantization
vitdec
- weight, Hamming
wgn
- white Gaussian noise
- generating
| wgn | |