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Transcription:

Advanced EMC +62784709 13601024327 hejl@tsinghua.edu.cn 1

1 1.1 1.2 1.3 1.4 1.5 1.6 EMC 2

1 166.111.63.4:1021 emc 303 3

1975 7 14 25 26 50 700 21 4

0 400GHz EMC 1994 25 5

6

1.1 Electromagnetic Compatibility Bernhard Keiser (IEC) IEEE EMC EMC EMC 7

1.1 Electromagnetic Compatibility EMC 8

Electromagnetic Compatibility 9

GB/T 4365-1995 IEC60050 ( ) 10

(NIMITZ) 332.9m 48m 24 (ITU) 10kHz 400GHz 11

Electromagnetic environment (EME) IEEE : 12

13

Overvoltage 14

15

16

17

18

( ) lmv 10mV ( ) 5mV (10uV) 19 (5mV)

IEC 60050(161) 1 2 20

(interference) IEC 60050(161) 1990 disturbance 21

22

GB/T4365-1995 immunity 23

level lightning withstand level limit 24

25

26

27

28

29

30

31

32 1. 1. db db (P2>P1) (P2<P1) EMC db db 1 2 10 lg P P = 1 2 20lg V V = 1 2 20 lg I I = W P dbw mw P dbmw W P W db 1 10lg 1 10lg 1 lg 10 = = = µ µ

201g[1/(4/5)]=1.9 db 201g[1/(3/5)]=4.4 db 201g[1/(2/5)]=7.9 db 201g[1/(1/5)]=13.9 db 201g[l/(0/5)]= db 33

1.2 EMC 2kV 34

0.03 2.4 <1V/m >5V/m 15V/m 2.4 35

, 36

50 40 30 20 10 0 260 37

5000 1000 1992 9 16 25 5 1996 38

RTCA 10 o 1993 39

1992 46 40

1961 1969 11 V 12 7 41

( F-11) 1971 11 5 105s 27km 1min 42

1990 43

VCD DVD ( ) 44

15 60 30 45

20 100 260 50 400 100 7.5 2 50 46

10 25 42 30 2 282-310V/m 30 47

1.3 EMC ( ) (EMS) (Immunity) 48

EMC 49

50

( ) 10kHz 1GHz 17, 10kHz 30km 1GHz 0.3m ( 10m 100m) 1GHz 10kHz 51

52

Dr. C. R. Paul 53

54

IEC ITU IEEE 55

56

57

58

59

Maxwell EMI 60

HFSS ( FEM) XFD-TD/Fidelity ( FD-TD) Ensemble ( MOM) NEC2 ( MOM) MAFIA ( FIM) EMTP (TLM ) ANSYS (FEM) ANSOFT CDEGS (TLM ) 61

62

- (Seismic Electric Signal SES) (EW) (SN) SES SES 500km 63

- 64

- TEMPEST TEMPEST 40 (EMC) 65

- CRT 66

- 67

- 10MHz~1GHz 200MHz~500MHz TEMPEST TEMPEST 68

- 69

- 70

- (50 ) EMPEST (50 70 ) (80 ) TEMPEST EMC EMC, EMC TEMPEST EMC 71

- TEMPEST? TEMPEST TEMPEST 72

- 73

- 74

- 9kHz 275GHz 287 ( ) 75

EMC 76

1.4 EMC 19 30 77

1.4 1881 1883 1884 1887 1920 1933 78

1.4 1930 1934 6 28 30 (CISPR) 1945 20 20 EMC 79

1.4 1982 200 (EMP) 80

81

( ) 82

83

84

85

1.6 EMC (IEC) 1906 (CISPR) 1933 CISPR IEC IEC (ITU) 1865 20 1947 86

(CCIR) 1929 (URSI) 1919 (ISCU) IEEE (IEEE EMC-S) 1964 1964 1978 87

EMC 1996 EMC 88

EMC 89

30% 40% 30% 90

Weston, David A. Electromagnetic compatibility: principles and applications New York: Marcel Dekker, 2001 Pierre Degauque and Joel Hamelin, Electromagnetic compatibility, New York: Oxford University Press, 1993 M. I. Montrose, 2002-12.. 2001 :, 2001 91

[1] [2]? [3] [4] [5] 92

+62784709, hejl@tsinghua.edu.cn 93

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