KS C IEC 61580-7-2008 Methods of measurement for waveguides-Part 7:Graphical method for the determination of waveguide performance《波导测量方法 第7部分 图解法测定波导管性能》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 61580 7 7: KS C IEC 61580 7:2008 2008 11 28 http:/www.kats.go.krKS C IEC 61580 7:2008 : ( ) ( ) FITI ( ) : (http:/www.standard.go.kr) : : 2008 11 28 2008-0821 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 61580 7:2008 i ii .1 1 1 2 1

2、3 1 3.1 2 3.2 .2 3.3 .2 3.4 2 4 .2 4.1 .2 4.2 3 .8 KS C IEC 61580 7:2008 ii . , , . , , . KS C IEC 61580 7:2008 7: Methods of measurement for waveguides Part 7: Graphical method for the determination of waveguide performance 1996 1 IEC 61580 7, Methods of measurement for waveguides Part 7: Graphical

3、 method for the determination of waveguide performance . 1 . 1 GHz 27 GHz (higher order) , SC 46B . 2 2.1 . ( 2: 1) ( 3: 1) 2.2 a/ . ( ) a(mm) . 2.3 , 4. (c) . fc = c/c , c . 2.4 (nomogram) . 3 KS C IEC 61580 7:2008 2 3.1 3.1.1 (cut-off) 25 % 5 % . 3.1.2 R48 2 . a) TE10 TE20 a/ 0.5 1.0 . b) 0.5 1.0

4、a = 47.55 mm . c) TE10 3.15 GHz, TE20 6.31 GHz . 3.1.3 R48 . (3.15 25 %) = 3.94 GHz(6.31 5 %) = 5.99 GHz 3.2 TE20 2: 1 1.5: 0.5 = 3: 1 . TE20 . 3.3 a = 34 mm TE11 TM11 . a) A a/ TE11 TM11 ( 4 ). b) 6.24 GHz B A a = 34 mm . 3.4 a (TE11) 11 GHz . a) C D a/ TE11 TM01 ( 4 ). b) D 1 % 11.1 GHz . a = 20.7

5、 mm E a . c) 8.5 GHz F C E . 4 4.1 TEmn TMmn KS C IEC 61580 7:2008 3 banabmabC+=222 a: b: 4.2 CmnXa= a : Xmn : Bessel function 14 TEmn( 1) TMmn( 2) . m n . 1 TEmn m n 0 1 2 3 4 5 6 1 3.832 1.841 3.054 4.201 5.317 6.416 7.501 2 7.016 5.331 6.706 8.015 9.282 10.520 11.735 2 TMmn m n 0 1 2 3 4 5 6 1 2.

6、405 3.832 5.136 6.380 7.588 8.771 9.936 2 5.520 7.016 8.417 9.761 11.065 12.339 13.589 KS C IEC 61580 7:2008 4 1 KS C IEC 61580 7:2008 5 2 KS C IEC 61580 7:2008 6 3 KS C IEC 61580 7:2008 7 4 KS C IEC 61580 7:2008 8 KS C IEC 61580 7:2008 , 1 1.1 (IEC) (KS) . (WTO/TBT ) , IEC 61580 7 , (KS A 0001: 200

7、8) . 2 (TC) 2.1 TC 46( , , , R.F. , R.F. ) 2.2 IEC 60169 7 KS C IEC . 6 . (KS C IEC) / 61580 2005 61580 1 1: 2005 61580 2 2: 2005 61580 3 3: (群 ) 2005 61580 4 4: 2005 61580 9 9: 2005 3 3.1 , . / (,) / (.) . KS C IEC 61580 7:2008 9 3.2 . 4 . (www.standard.go.kr ) . . 5 , . . IEC KS C IEC 1 higher ord

8、er 2 odd 3 bessel func tion 7 : 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS C IEC 61580 7:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Methods of measurement for waveguides Part 7:Graphical method for the determination of waveguide performance ICS 17.020; 33.120.10

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