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Over GF(2), x + 1 is a primitive polynomial and all other primitive polynomials have an odd number of terms, since any polynomial mod 2 with an even number of terms is divisible by x + 1 (it has 1 as a root). An irreducible polynomial F(x) of degree m over GF(p), where p is prime, is a primitive polynomial if the smallest positive integer n ...
The generator polynomial of the BCH code is defined as the least common multiple g(x) = lcm(m 1 (x),…,m d − 1 (x)). It can be seen that g(x) is a polynomial with coefficients in GF(q) and divides x n − 1. Therefore, the polynomial code defined by g(x) is a cyclic code.
A polynomial code is cyclic if and only if the generator polynomial divides . If the generator polynomial is primitive, then the resulting code has Hamming distance at least 3, provided that . In BCH codes, the generator polynomial is chosen to have specific roots in an extension field, in a way that achieves high Hamming distance.
The feedback tap numbers shown correspond to a primitive polynomial in the table, so the register cycles through the maximum number of 65535 states excluding the all-zeroes state. The state shown, 0xACE1 ( hexadecimal ) will be followed by 0x5670.
Polynomials: Can be generated solely by addition, multiplication, and raising to the power of a positive integer. Constant function: polynomial of degree zero, graph is a horizontal straight line; Linear function: First degree polynomial, graph is a straight line. Quadratic function: Second degree polynomial, graph is a parabola.
This capacity assumes that the generator polynomial is the product of + and a primitive polynomial of degree since all primitive polynomials except + have an odd number of non-zero coefficients. All burst errors of length n {\displaystyle n} will be detected by any polynomial of degree n {\displaystyle n} or greater which has a non-zero x 0 ...
Download QR code; Print/export Download as PDF; Printable version ... In different branches of mathematics, primitive polynomial may refer to: Primitive polynomial ...
A form is primitive if its content is 1, that is, if its coefficients are coprime. If a form's discriminant is a fundamental discriminant , then the form is primitive. [ 1 ] Discriminants satisfy Δ ≡ 0 , 1 ( mod 4 ) . {\displaystyle \Delta \equiv 0,1{\pmod {4}}.}