X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
engineering, electrical & electronic (82) 82
walsh-hadamard transform (56) 56
boolean functions (45) 45
algorithms (40) 40
computer science, theory & methods (38) 38
transforms (38) 38
mathematics, applied (37) 37
computer science (35) 35
mathematical analysis (33) 33
codes (31) 31
telecommunications (31) 31
error correction (29) 29
cryptography (28) 28
communications engineering, networks (27) 27
error correction codes (27) 27
bit error rate (26) 26
cdma (26) 26
multiaccess communication (26) 26
boolean algebra (25) 25
computer science, information systems (25) 25
walsh-hadamard code (25) 25
walsh-hadamard (24) 24
walsh-transformation (24) 24
coding and information theory (23) 23
information and communication, circuits (23) 23
research (23) 23
walsh-hadamard codes (23) 23
engineering (22) 22
mathematics (22) 22
signal processing (22) 22
analysis (21) 21
data structures, cryptology and information theory (21) 21
ofdm (20) 20
walsh transform (20) 20
94a60 (19) 19
bent functions (19) 19
boolean function (18) 18
modulation (18) 18
usage (18) 18
mathematics of computing (17) 17
channels (15) 15
code division multiple access (15) 15
information theory (15) 15
mc-cdma (15) 15
walsh transforms (15) 15
walsh-funktion (15) 15
signal, image and speech processing (14) 14
walsh–hadamard transform (14) 14
boole-funktion (13) 13
fourier transforms (13) 13
multicarrier code division multiple access (13) 13
multiple access interference (13) 13
nonlinearity (13) 13
fading (12) 12
interference (12) 12
vectors (12) 12
wireless communication (12) 12
bent function (11) 11
computer simulation (11) 11
discrete fourier transforms (11) 11
receivers (11) 11
simulation (11) 11
spreading (11) 11
walsh functions (11) 11
06e30 (10) 10
artificial intelligence (10) 10
cdma technology (10) 10
computer communication networks (10) 10
correlation (10) 10
peak to average power ratio (10) 10
polynomials (10) 10
94c10 (9) 9
algorithm (9) 9
awgn (9) 9
combinatorics (9) 9
complexity (9) 9
construction (9) 9
discrete mathematics in computer science (9) 9
discrete transforms (9) 9
methods (9) 9
optimization (9) 9
signal processing algorithms (9) 9
studies (9) 9
transformations (9) 9
algebra, boolean (8) 8
coding (8) 8
data encryption (8) 8
image coding (8) 8
matrices (8) 8
reed-muller codes (8) 8
transmitters (8) 8
walsh codes (8) 8
walsh hadamard codes (8) 8
computational complexity (7) 7
data structures and information theory (7) 7
electrical engineering (7) 7
encryption (7) 7
functions (7) 7
gain (7) 7
gold (7) 7
more...
Library Location Library Location
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (304) 304
Chinese (12) 12
Japanese (8) 8
German (1) 1
Indonesian (1) 1
Russian (1) 1
Turkish (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Optical and Quantum Electronics, ISSN 0306-8919, 9/2017, Volume 49, Issue 9, pp. 1 - 13
Journal Article
Wireless personal communications, ISSN 1572-834X, 2012, Volume 71, Issue 3, pp. 2023 - 2043
Walsh–Hadamard transform, a discrete unitary transform is widely used in many applications such as signature codes in the current wireless standards IS-95 CDMA, WCDMA, CDMA2000 and image transform applications... 
Engineering | Under lay cognitive radio | Primary user | Signal, Image and Speech Processing | Communications Engineering, Networks | Quadrature multiplexing | Secondary user | Computer Communication Networks | Additive white Gaussian noise | Walsh–Hadamard sequences | Walsh-Hadamard sequences | MULTIPLE-ACCESS COMMUNICATION | TELECOMMUNICATIONS | SPREADING SEQUENCES | Error-correcting codes | Random noise theory | Research | CDMA technology
Journal Article
Signal Processing: Image Communication, ISSN 0923-5965, 02/2019, Volume 70, pp. 47 - 56
Journal Article
Designs, codes, and cryptography, ISSN 1573-7586, 2017, Volume 86, Issue 10, pp. 2167 - 2181
Journal Article
Journal of Theoretical and Applied Information Technology, ISSN 1992-8645, 2011, Volume 32, Issue 1, pp. 55 - 60
Journal Article
Applied mechanics and materials, ISSN 1660-9336, 01/2013, Volume 284-287, pp. 2667 - 2671
.... This study uses Walsh-Hadamard codes as signature codes for the unipolar and bipolar schemes... 
Walsh-Hadamard codes | Spectral-amplitude-coding optical division multiple access (SAC-OCDMA) | Unipolar coding | Bipolar coding | Multiple access interference (MAI) | Fiber Bragg grating (FBG)
Journal Article
by 张岱 and 张玉 and 杨晓静 and 樊斌斌
Binggong xuebao, ISSN 1000-1093, 2015, Volume 36, Issue 12, pp. 2298 - 2305
TN911.7; 针对低信噪比环境下卷积码识别研究存在的不足,提出一种基于分段抽取软判决加权Walsh Hadamard变换(WHT)的卷积码识别算法.该算法利用接收比特的解调软判决信息求取软判决频次序列,并构造加权Walsh Hadamard矩阵,从而识别得到基本校验序列.利用基本编码矩阵构造规则,最终实现记忆长度及... 
Journal Article
Designs, codes, and cryptography, ISSN 1573-7586, 2018, Volume 87, Issue 1, pp. 163 - 171
For each non-constant q in the set of n-variable Boolean functions, the q-transform of a Boolean function f is related to the Hamming distances from f to the... 
Bent function | Walsh–Hadamard transform | Boolean function | Partial difference set | q-transform | q-bent function | 06E30 | 05B10 | MATHEMATICS, APPLIED | Walsh-Hadamard transform | COMPUTER SCIENCE, THEORY & METHODS | 94A60
Journal Article
by Teng Su and Feng Yu
IEEE Signal Processing Letters, ISSN 1070-9908, 09/2012, Volume 19, Issue 9, pp. 583 - 586
In this letter, we present a family of fast Hadamard-Fourier transform algorithms which combined Walsh Hadamard and discrete Fourier transforms into one single algorithm... 
Discrete Fourier transform (DFT) | Discrete Fourier transforms | Materials | sparse matrix | Walsh Hadamad transform (WHT) | Error correction | Error correction codes | Sparse matrices | Multiaccess communication | Kronecker | WALSH-HADAMARD | PERFORMANCE | CDMA | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
Journal Article
ACM Transactions on Algorithms (TALG), ISSN 1549-6325, 08/2017, Volume 13, Issue 3, pp. 1 - 36
Journal Article
Applicable algebra in engineering, communication and computing, ISSN 1432-0622, 2018, Volume 29, Issue 5, pp. 433 - 453
Journal Article
2019 Devices for Integrated Circuit (DevIC), 03/2019, pp. 515 - 518
Code division multiple access (CDMA) or multicarrier CDMA (MC-CDMA), Walsh-Hadamard codes are extensively used for its attribute of orthogonality and hence it leads to good cross-correlation property... 
Semiconductor optical amplifiers | Optical interferometry | Mach-Zehnder interferometer | Optical switches | Semiconductor Optical Amplifier | Logic gates | Walsh-Hadamard code | Error correction codes | Multiaccess communication | Nonlinear optics
Conference Proceeding
by 杨晓炜 and 甘露
Dian zi yu xin xi xue bao = Journal of electronics & information technology, ISSN 1009-5896, 2012, Volume 34, Issue 7, pp. 1642 - 1646
TN971.1; 该文提出了一种容误码的线性分组码的参数盲估计算法.该方法首先基于线性分组码对偶码字的统计特性和Walsh-Hadamard变换解线性方程组的容错特性来实现对偶码字的判决,同时采用“3倍标准差”准则并根据理论分析给出了一个有效的判决门限.接着通过判断对偶空间归一化维数的最大值来实现码长和码组同步时刻... 
Journal Article
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.