请问鉴相器和鉴幅器的工作原理是什么_百度知道.mht

辛苦收集频率测试和同步方面的资料

.bcy {
	BORDER-LEFT-COLOR: #f4bf20; BORDER-BOTTOM-COLOR: #f4bf20; =
BORDER-TOP-COLOR: #f4bf20; BORDER-RIGHT-COLOR: #f4bf20
}
.bcb {
	BORDER-LEFT-COLOR: #64b7d7; BORDER-BOTTOM-COLOR: #64b7d7; =
BORDER-TOP-COLOR: #64b7d7; BORDER-RIGHT-COLOR: #64b7d7
}
.bcr {
	BORDER-LEFT-COLOR: #fe7878; BORDER-BOTTOM-COLOR: #fe7878; =
BORDER-TOP-COLOR: #fe7878; BORDER-RIGHT-COLOR: #fe7878
}
.b4y {
	BORDER-RIGHT: #f4bf20 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: =
#f4bf20 1px solid; PADDING-LEFT: 8px; PADDING-BOTTOM: 5px; BORDER-LEFT: =
#f4bf20 1px solid; PADDING-TOP: 5px; BORDER-BOTTOM: #f4bf20 1px solid
}
.b4g {
	BORDER-RIGHT: #58cb64 1px solid; PADDING-RIGHT: 10px; BORDER-TOP: =
#58cb64 1px solid; PADDING-LEFT: 10px; PADDING-BOTTOM: 8px; BORDER-LEFT: =
#58cb64 1px solid; PADDING-TOP: 5px; BORDER-BOTTOM: #58cb64 1px solid
}
.f14 {
	FONT-SIZE: 14px; LINE-HEIGHT: 22px
}
.f14B {
	FONT-WEIGHT: bold; FONT-SIZE: 14px; LINE-HEIGHT: 22px
}
.tdx {
	FONT-SIZE: 14px; WIDTH: 33%; LINE-HEIGHT: 22px; HEIGHT: 22px
}
.B {
	FONT-WEIGHT: bold
}
.mb12 {
	MARGIN-BOTTOM: 12px
}
.mb10 {
	MARGIN-BOTTOM: 10px
}
.mt10 {
	MARGIN-TOP: 10px
}
.mt20 {
	MARGIN-TOP: 20px
}
.grn {
	COLOR: #080
}
A.grn:link {
	COLOR: #080
}
A.grn:visited {
	COLOR: #080
}
.lbk {
	COLOR: #000
}
A.lbk:link {
	COLOR: #000
}
A.lbk:visited {
	COLOR: #000
}
.lgy {
	COLOR: #555
}
A.lgy:link {
	COLOR: #555
}
A.lgy:visited {
	COLOR: #555
}
.org {
	COLOR: #f60
}
A.org:link {
	COLOR: #f60
}
A.org:visited {
	COLOR: #f60
}
.org {
	FONT-WEIGHT: bold; COLOR: #008000
}
A.lmore_relaques:link {
	FONT-WEIGHT: bold; FONT-SIZE: 14px
}
A.lmore_relaques:visited {
	FONT-WEIGHT: bold; FONT-SIZE: 14px
}
A.lklbe:link {
	COLOR: #77c; TEXT-DECORATION: underline
}
A.lklbe:visited {
	COLOR: #77c; TEXT-DECORATION: underline
}
.per80 {
	LINE-HEIGHT: 80%
}
.wr {
	TABLE-LAYOUT: fixed; WORD-WRAP: break-word
}
.wr TD {
	PADDING-TOP: 5px
}
.gray {
	COLOR: #666
}
.red {
	COLOR: #f30
}
#Lbg {
	BORDER-TOP: #999 1px solid; MARGIN: 13px 0px 7px; LINE-HEIGHT: 1px; =
HEIGHT: 1px
}
#Lg {
	BORDER-TOP: #ddd 1px dashed; MARGIN: 7px 0px 3px; LINE-HEIGHT: 1px; =
HEIGHT: 1px
}
#Lq {
	BORDER-TOP: #e1e1e1 1px solid; MARGIN: 7px 0px 2px; LINE-HEIGHT: 1px; =
HEIGHT: 1px
}
.pl6 {
	PADDING-LEFT: 6px
}
.p30 {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 30px; =
PADDING-TOP: 30px
}
.p10 {
	PADDING-RIGHT: 10px; PADDING-LEFT: 10px; PADDING-BOTTOM: 10px; =
PADDING-TOP: 10px
}
#pg {
	FONT-SIZE: 14px; LINE-HEIGHT: 22px; TEXT-ALIGN: center
}
#tl TD {
	BORDER-TOP: #e1e1e1 1px dashed
}
.tlp4 TD {
	PADDING-RIGHT: 0px; PADDING-LEFT: 6px; PADDING-BOTTOM: 4px; =
PADDING-TOP: 4px
}
#tl TD.nl {
	BORDER-RIGHT: 0px; BORDER-TOP: 0px; BORDER-LEFT: 0px; BORDER-BOTTOM: =
0px
}
.tlp3 TD {
	PADDING-RIGHT: 0px; PADDING-LEFT: 6px; PADDING-BOTTOM: 3px; =
PADDING-TOP: 3px
}
.bl TD {
	BORDER-BOTTOM: #e1e1e1 1px solid
}
.p2 {
	PADDING-RIGHT: 2px; PADDING-LEFT: 2px; PADDING-BOTTOM: 2px; =
PADDING-TOP: 2px
}
.p4 {
	PADDING-RIGHT: 4px; PADDING-LEFT: 4px; PADDING-BOTTOM: 4px; =
PADDING-TOP: 4px
}
.p3 {
	PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 3px; =
PADDING-TOP: 3px
}
.bl TD.nl {
	BORDER-RIGHT: 0px; BORDER-TOP: 0px; BORDER-LEFT: 0px; BORDER-BOTTOM: =
0px
}
.f12 {
	FONT-SIZE: 12px
}
.bn100 {
	WIDTH: 100px; PADDING-TOP: 2px; HEIGHT: 25px
}
.subt {
	PADDING-RIGHT: 10px; MARGIN-BOTTOM: 5px; LINE-HEIGHT: 24px; HEIGHT: =
24px; TEXT-ALIGN: right
}
.f {
	PADDING-LEFT: 15px; FONT-SIZE: 100%; WIDTH: 32em; WORD-BREAK: =
break-all; LINE-HEIGHT: 120%; WORD-WRAP: break-word
}
#pg {
	MARGIN-TOP: 20px; FONT-SIZE: 14px; WORD-SPACING: 4px; LINE-HEIGHT: =
30px; FONT-FAMILY: arial; HEIGHT: 30px; TEXT-ALIGN: center
}
#pg FONT {
	FONT-SIZE: 16px
}
.bnsrh {
	PADDING-TOP: 2px; HEIGHT: 24px
}
.mr20 {
	MARGIN-RIGHT: 20px
}
.note {
	PADDING-LEFT: 20px; FONT-WEIGHT: bold; BACKGROUND: =
url(http://img.baidu.com/img/iknow/popo.gif) no-repeat left 50%; MARGIN: =
12px 0px
}
.answer1 {
	BACKGROUND: url(http://img.baidu.com/img/iknow/answer.gif) no-repeat; =
OVERFLOW: hidden; WIDTH: 100px; HEIGHT: 25px
}
.answer2 {
	BACKGROUND: url(http://img.baidu.com/img/iknow/answer.gif) no-repeat; =
OVERFLOW: hidden; WIDTH: 100px; HEIGHT: 25px
}
.answer3 {
	BACKGROUND: url(http://img.baidu.com/img/iknow/answer.gif) no-repeat; =
OVERFLOW: hidden; WIDTH: 100px; HEIGHT: 25px
}
.answer1 {
	BACKGROUND-POSITION: 0px 0px
}
.answer2 {
	BACKGROUND-POSITION: 0px -25px
}
.answer3 {
	BACKGROUND-POSITION: 0px -50px
}
#Lg {
	BORDER-TOP: #bbb 1px dashed
}
#cproshow .r {
	WIDTH: 100%; CURSOR: pointer; WORD-BREAK: break-all
}
#cproshow DIV.r FONT {
	FONT-SIZE: 14px
}
#cproshow DIV.r SPAN FONT {
	FONT-SIZE: 12px
}
#cproshow {
	BORDER-RIGHT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: 0px; PADDING-LEFT: =
0px; PADDING-BOTTOM: 0px; MARGIN: 0px; BORDER-LEFT: 0px; PADDING-TOP: =
0px; BORDER-BOTTOM: 0px
}
.t2 {
	BORDER-TOP: #fed6d2 1px solid; PADDING-LEFT: 10px; FONT-WEIGHT: bold; =
FONT-SIZE: 14px; LINE-HEIGHT: 24px; HEIGHT: 24px
}
.bc {
	PADDING-RIGHT: 5px; PADDING-LEFT: 8px; BACKGROUND: #fff; =
PADDING-BOTTOM: 5px; MARGIN: 0px 3px 3px; PADDING-TOP: 5px
}
.bc0 {
	PADDING-RIGHT: 5px; PADDING-LEFT: 8px; BACKGROUND: #fff; =
PADDING-BOTTOM: 5px; MARGIN: 0px 3px; PADDING-TOP: 5px
}
.bc3 {
	PADDING-RIGHT: 5px; PADDING-LEFT: 8px; BACKGROUND: #fff; =
PADDING-BOTTOM: 5px; MARGIN: 3px; PADDING-TOP: 5px
}
.bg {
	MARGIN-BOTTOM: 12px; POSITION: relative
}
.by {
	MARGIN-BOTTOM: 12px; POSITION: relative
}
.bb {
	MARGIN-BOTTOM: 12px; POSITION: relative
}
.bb_2 {
	MARGIN-BOTTOM: 12px; POSITION: relative
}
.br {
	MARGIN-BOTTOM: 12px; POSITION: relative
}
.bk {
	MARGIN-BOTTOM: 12px; POSITION: relative
}
.bka {
	MARGIN-BOTTOM: 12px; POSITION: rel