KS C IEC 60050-101-2012 International Electrotechnical Vocabulary-Part 101:Mathematics《国际电工词汇 第101部分 数学》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 60050 101 101:KS C IEC 60050 101:2012 2012 12 29 http:/www.kats.go.krKS C IEC 60050 101:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2002 6 18 :2012 12 29 20120835 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 60050 101:2012 i i

2、i 1 1 2 1 101-11: 2 101-12: .10 101-13: 11 101-14: 13 101-15: 24 ( ) .28 ( ) .32 KS C IEC 60050 101:2012 ii 1998 2 IEC 60050 101, International Electrotechnical Vocabulary Part 101: Mathematics , . KS C IEC 60050 101:2012 101: International Electrotechnical Vocabulary Part 101: Mathematics 1 IEV . ,

3、 . . . KS C IEC 60027, KS A ISO 80000 . 2 . . ( ) . KS A ISO 80000 2:2012, 2: KS C IEC 60027 1, 1: KS C IEC 60050 161, 161: KS C IEC 60050 701, 701: , , KS C IEC 60050 702, 702: , KS C IEC 60050 705, 705: KS Q ISO 3534 1, 1: ISO/IEC 2382 1:1993, Information Technology Vocabulary Part 1: Fundamental

4、terms( 1: ) KS C IEC 60050 101:2012 2 101: PART 101: MATHEMATICS 101 11: SECTION 101 11: SCALAR AND VECTOR QUANTITIES 101 11 01 : absolute value a , a a 1 a |a| abs a . 2 . 101 11 02 : complex number a, b c a jb . j j2 1 . 1 c |c| (cos j sin ) |c| ej . |c| . 2 j i . 3 . c 101 11 03 : real part c a j

5、b a 1 c Re c c . 2 , . 101 11 04 : imaginary part c a jb b 1 c Im c c . 2 , . 101 11 05 : conjugate c a jb c* a jb 1 c |c| ej c* |c| e j . 2 , . KS C IEC 60050 101:2012 3 101 11 06 : square root 0 . a , a1/2 a , a1/2 a . 101 11 07 : modulus c a jb |c|: |c| *cc 22ba + . 101 11 08 (: arg): argument(sy

6、mbol: arg) , 0 . 1 c a jb |c| ej arg c . a 0 , arctan(b/a) . a 0, b0 , arctan(b/a) . a 0, b 0 , arctan(b/a) . a 0, b 0 , /2 . a 0, b 0 , /2 . KS A ISO 80000 2 /2 arctan x /2 . 2 . 101 11 09 ( ): scalar(quantity) . 3 “ ” . 101 11 10 ( ): vector(quantity) , . 1 n 1 , n n , n . 2 2 3 . 3 V . V A jB A B

7、 . 4 ( ) . V VvKS C IEC 60050 101:2012 4 101 11 11 : matrix m n mn , , , , , , . 101 11 12 (2 ) ( ): tensor(quantity) (of second order) n A B 1 tij nn =jiijiAtB 101 11 13 : base vector n , n 1 A1, A2, , An V 1 . V a1A1 a2A2 anAn a1, a2, , an . 2 e1, e2, , en 1 . 3 3 . ex, ey, ez i, j, k . 101 11 14

8、( ) : component (of a vector) ( ) : coordinate (of a vector) V a1A1 a2A2 anAn n a1, a2, , an. A1, A2, , An . “coordinate” . 101 11 15 ( ) : component vector (of a vector) 1 , . 101 11 16 ( ): (vector) sum , . 101 11 17 : scalar product : dot product n A, B A B , A Ai B Bi . KS C IEC 60050 101:2012 5

9、 =iiiBABA 1 . 2 2 3 . A B |A| |B| cos 3 A B A B A B* A* B . A A* . 4 ( ) . 101 11 18 ( ) : magnitude (of a vector), modulus (deprecated in this sense) |V| , V . *VVV = 1 . . 2 2 3 . 101 11 19 : unit vector 1 e . 101 11 20 : orthogonal 0 . 2 3 . 101 11 21 : orthonormal . 101 11 22 ( ) : angle (betwee

10、n two vectors) 0 , A B . BABA= arccos 101 11 23 : right-handed trihedron 3 , 1 A, B, C , C A B . A B . KS C IEC 60050 101:2012 6 . (C) A, B , (A), (B), (C) 101 11 24 : vector product : cross product e1, e2, e3 3 , A A1e1 A2e2 A3e3, B B1e1 B2e2 B3e3 AB . AB (A2B3 A3B2)e1 (A3B1 A1B3)e2 (A1B2 A2B1)e3 1

11、 . 2 . 3 A, B AB . . |AB| |A| |B| |sin | 4 A B A*B AB* AB . 5 . . 101 11 25 (: ds): scalar line element(symbol: ds) , . 101 11 26 ( ) : (vector) line element , . et ds, t ds dr . et t ds , dr r . 101 11 27 : line integral , , . . 101 11 28 : scalar line integral, circulation , . “circulation” . KS C

12、 IEC 60050 101:2012 7 101 11 29 (: dA): scalar surface element(symbol: dA) , . 101 11 30 ( ) : (vector) surface element 3 , . 1 . 2 en dA n dA . en n dA . 101 11 31 : surface integral , . . 101 11 32 ( ) : flux (of a vector quantity) , . 101 11 33 : volume integral , . 101 11 34 : field , . (acousti

13、c pressure field), , , . 101 11 35 : field quantity , 1 . 2 “field quantity”, “grandeur de champ” (electric tension), , , , . 101 11 36 ( )(: ): nabla(operator)(symbol: ) KS C IEC 60050 101:2012 8 , . zzyyxxeee+ ex, ey, ez x, y, z . 101 11 37 ( ): gradient f grad f , f , f . 1 ds , ds e . df grad f

14、e ds 2 . xf, yf, zf 3 f grad f f . 101 11 38 ( ) : (scalar) potential , f . f grad 1 . 2 . 101 11 39 : equipotential . 101 11 40 : divergence f div f , . =AefVfVd1limdivn0 en dA V . 1 . KS C IEC 60050 101:2012 9 zzyyxxffff+=div 2 f div f f . 101 11 41 : rotation, curl f rot f , . =AefVfVd1limrotn0 e

15、n dA V . 1 . yxxyxzzxzyyzffffff, 2 f rot f, curl f f . 101 11 42 : vector potential A , . f rot A 1 . 2 . 0 . 101 11 43 ( ) : laplacian (of a scalar field quantity) f f , . f div grad f . 222222zfyfxff+= 101 11 44 ( ) : laplacian (of a vector field quantity) f f , . f grad div f rot rot f . KS C IEC

16、 60050 101:2012 10 222222222222222222,zfyfxfzfyfxfzfyfxfzzzyyyxxx+101 11 45 : zero divergence field : solenoidal field 0 101 11 46 : irrotational field 0 101 11 47 : field line , 101 12: SECTION 101 12: CONCEPTS RELATED TO INFORMATION 101 12 01 : information , , , ISO/IEC 2382 1 01.01.01, 701 01 01

17、MOD 101 12 02 : signal , 701 01 02 MOD, 702 04 01 MOD. 101 12 03 : data , ISO/IEC 2382 1 01.01.02, 701 01 11 MOD 101 12 04 : code , 701 03 07 MOD, 702 05 11 MOD 101 12 05 : analogue, analog(US) . . KS C IEC 60050 101:2012 11 101 12 06 : discrete value 101 12 07 : digital . 101 12 08 ( ) : hybrid (fo

18、r representation of information) . 101 12 09 : logic . 101 13: SECTION 101 13: DISTRIBUTIONS AND INTEGRAL TRANSFORMATIONS 101 13 01 : distribution 0 1 Laurent Schwartz original work . “functional” . 2 , D(x) f(x) D . += xxfxDfD d)()()( 3 D f(x) D . D(f) D(d f/d x) 101 13 02 : (x): unit step function

19、 Heaviside : Heaviside function 0 1 1 (x x0) x x0 . 2 H(x) . (t) . (x) . 101 13 03 : general unit step function , 1 KS C IEC 60050 101:2012 12 c (x) . c , (x) . 101 13 04 : unit ramp 0 1 x (x) . (x) . 101 13 05 (: sgn): signum(symbol: sgn) 1 1 , 0 0 101 13 06 Dirac (: ): Dirac function(symbol: ) : u

20、nit pulse : unit impulse f (x) x 0 f (0) 1 Dirac , 0 0 1 . 2 Dirac . 3 Dirac x x0 . . += xxfxxxf d)()()(00 101 13 07 (: ): unit doublet(symbol: ) Dirac x0 f (x) x0 . += xxfxxxf d)()()(00 101 13 08 : Fourier series , . 101 13 09 : Fourier transform t f(t) , F(j) += ttfFtde)()j(j KS C IEC 60050 101:2012 13 . 101 13 10 : inverse Fourier transform t f(t) += de)j(21)(j

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