By John Daniel Kraus
This article is for the path on antennas provided to the senior/graduate point via engineering departments. it's going to additionally entice practising engineers engaged on antenna improvement. The textual content explains either the elemental thought of antennas and its program to functional designs. It offers complete assurance and is replete with fascinating labored examples and demanding challenge units. The revision represents a radical updating of fabric and now comprises easy courses that are used for antenna layout and computational suggestions.
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Extra info for Antennas
If all bits have now been inspected then the initial calculation is complete, otherwise the accumulator is squared by multiplication and the next bit is inspected. The multiplications and any final division are done under the normal arithmetic operation rules, using the precision supplied for the operation, except that the multiplications (and the division, if needed) are carried out using an increased precision of precision+elength+1 digits. 274). 51 Copyright (c) IBM Corporation 2006. All rights reserved.
The exponent of the result is computed by subtracting the sum of the original exponent of the divisor and the value of adjust at the end of the coefficient calculation from the original exponent of the dividend. • The sign of the result is the exclusive or of the signs of the operands. The result is then rounded to precision digits, if necessary, according to the rounding algorithm and taking into account the remainder from the division. 20E+6' Note that the results as described above can alternatively be expressed as follows: • The ideal (simplest) exponent for the result of a division is the exponent of the dividend less the exponent of the divisor.
Again, this does not match the user model of decimal arithmetic; one designed for people to use must provide a wide range of available precisions. This specification provides for user selection of precision; the representation (especially if it is to conform to the IEEE 854-1987 standard referred to above) may have a fixed maximum precision, but up to the maximum allowed by the representation the precision used for operations may be chosen by the programmer. , New York, 1985. 51 Copyright (c) IBM Corporation 2006.
Antennas by John Daniel Kraus