武汉大学物理科学与技术学院电子科学与技术系
武汉大学物理科学与技术学院电子科学与技术系
常胜
bchdec - BCH decoder. bchenc - BCH encoder. bchgenpoly - Generator polynomial of BCH code. convenc - Convolutionally encode binary data. cyclgen - Produce parity-check and generator matrices for cyclic code. cyclpoly - Produce generator polynomials for a cyclic code. decode - Block decoder. encode - Block encoder. gen2par - Convert between parity-check and generator matrices. gfweight - Calculate the minimum distance of a linear block code. hammgen - Produce parity-check and generator matrices for Hamming code. rsdec - Reed-Solomon decoder. rsenc - Reed-Solomon encoder. …...
武汉大学物理科学与技术学院电子科学与技术系
常胜
Digital Modulation/Demodulation（数字调制/解调函数）
dpskmod - Differential phase shift keying modulation. dpskdemod - Differential phase shift keying demodulation. fskmod - Frequency shift keying modulation. fskdemod - Frequency shift keying demodulation. genqammod - General quadrature amplitude modulation. genqamdemod - General quadrature amplitude demodulation. modnorm - Scaling factor for normalizing modulation output. mskmod - Minimum shift keying modulation. mskdemod - Minimum shift keying demodulation. oqpskmod - Offset quadrature phase shift keying modulation. oqpskdemod - Offset quadrature phase shift keying demodulation pammod - Pulse amplitude modulation. pamdemod - Pulse amplitude demodulation. pskmod - Phase shift keying modulation. pskdemod - Phase shift keying demodulation. qammod - Quadrature amplitude modulation. qamdemod - Quadrature amplitude demodulation.
武汉大学物理科学与技术学院电子科学与技术系
常胜
berawgn - Bit error rate (BER) for uncoded AWGN hannels. bercoding - Bit error rate (BER) for coded AWGN hannels. berconfint - BER and confidence interval of Monte Carlo simulation berfading - Bit error rate (BER) for Rayleigh fading channels. berfit - Fit a curve to nonsmooth empirical BER data. bersync - Bit error rate (BER) for imperfect synchronization. biterr - Compute number of bit errors and bit error rate. distspec - Compute the distance spectrum of a convolutional code. eyediagram - Generate an eye diagram. noisebw - Calculate the equivalent noise bandwidth of a digital lowpass filter. scatterplot - Generate a scatter plot. semianalytic - Calculate bit error rate using the semianalytic technique. symerr - Compute number of symbol errors and symbol error rate.
武汉大学物理科学与技术学院电子科学与技术系 常胜
Analog Modulation/Demodulation（模拟调制/解调函 数） ammod - Amplitude modulation. amdemod - Amplitude demodulation. fmmod - Frequency modulation fmdemod - Frequency demodulation. pmmod - Phase modulation. pmdemod - Phase demodulation. ssbmod - Single sideband amplitude modulation. ssbdemod - Single sideband amplitude demodulation.
武汉大学物理科学与技术学院电子B命令窗中输入>>help comm

武汉大学物理科学与技术学院电子科学与技术系
常胜
Signal Sources（信号源函数） randerr - Generate bit error patterns. randint - Generate matrix of uniformly distributed random integers. randsrc - Generate random matrix using prescribed alphabet. wgn - Generate white Gaussian noise.
武汉大学物理科学与技术学院电子科学与技术系 常胜
Error-Control Coding（误差控制编码函数）
Interleaving/Deinterleaving（交叉/解交叉函数）
algdeintrlv - Restore ordering of symbols. algintrlv - Reorder symbols using algebraically derived permutation table convdeintrlv - Restore ordering of symbols permuted using shift registers. convintrlv - Permute symbols using a set of shift registers. deintrlv - Restore ordering of symbols. intrlv - Reorder sequence of symbols. helintrlv - Permute symbols using a helical array. heldeintrlv - Restore ordering of symbols permuted using HELINTRLV. helscandeintrlv - Restore ordering of symbols in a helical pattern. helscanintrlv - Permute symbols in a helical pattern. matdeintrlv - Reorder symbols by filling a matrix by columns and emptying it by rows. matintrlv - Permute symbols by filling a matrix by rows and emptying it by columns. muxdeintrlv - Restore ordering of symbols using specified shift registers. muxintrlv - Permute symbols using shift registers with specified delays randdeintrlv - Restore ordering of symbols using a random permutation. randintrlv - Reorder the symbols using a random permutation.
武汉大学物理科学与技术学院电子科学与技术系 常胜
Performance Evaluation(性能评定函数)
Source Coding（信源编码函数）
arithdeco - Decode binary code using arithmetic decoding. arithenco - Encode a sequence of symbols using arithmetic coding. compand - Source code mu-law or A-law compressor or expander. dpcmdeco - Decode using differential pulse code modulation. dpcmenco - Encode using differential pulse code modulation. dpcmopt - Optimize differential pulse code modulation parameters. huffmandeco - Huffman decoder. huffmandict - Generate Huffman code dictionary for a source with known probability model. huffmanenco - Huffman encoder. lloyds - Optimize quantization parameters using the Lloyd algorithm. quantiz - Produce a quantization index and a quantized output value.