Adjourn
发表于 2025-3-23 10:42:53
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阻挠
发表于 2025-3-23 15:06:04
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干旱
发表于 2025-3-23 18:04:52
Composite Sequences,is attempting to synchronize two identical generators which produce long periodic sequences. This problem crops up in some types of direct sequence spread spectrum communications as well as distance measuring systems.
Latency
发表于 2025-3-24 00:45:26
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记忆
发表于 2025-3-24 05:46:54
https://doi.org/10.1007/978-3-030-83422-7We will be concerned with a particular form of the Hadamard matrix of rank 2.. This form is produced using a recursive Kronecker product. Specifically, the Hadamard matrix of interest is designated a . Matrix after Sylvester (1867), denoted as .. and created by . where .. Thus, . and
laxative
发表于 2025-3-24 08:31:02
Robert W. McGee,Tatyana B. MaranjyanThe order of .. is 2. and the 2. eigenvalues of .. are distributed as:
Chromatic
发表于 2025-3-24 11:07:22
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Counteract
发表于 2025-3-24 16:49:56
The Ethics of Territorial BordersThe Hadamard transform, y, of a 2. × 1 vector x is defined as . Straightforward calculation of (66) requires .(2.) arithmetic operations. There are faster methods just as there are faster methods for calculating similar transforms such as the Fourier and Discrete cosine transforms.
孤独无助
发表于 2025-3-24 19:10:17
https://doi.org/10.1057/9780230512030The discrete Fourier transform of a set of data, say .., ..…, ... is given by the transform coefficients .., ..,…, ... by the relation . where . In symbolic form, (100) can be written as . and the inverse transform as . where ‘*’ denotes conjugation, and a typical entry, .., in .. is given by
推崇
发表于 2025-3-25 01:20:19
Tony Radspieler B. A., DR. OEC. PUBL.There are a number of structures which can be constructed to compute the fast Sylvester-Hadamard transform. Some of these structure are directly useful in designing a hardware implementation and some are useful for a deeper insight to the transform.