ÎÊÌâÒÑ¿ªÆô
(ÆÕͨÎÊÌâ)
À©Æµ¼¼Êõ
CDMAµÄÀ©Æµ¼¼Êõµ½µ×ÊÇÔõô×öµÄ£¬²éÁ˺ܶà×ÊÁÏ»¹ÊDz»Ì«Çå³þ°¡£¡£¡
ÌáÎÊÕß: zelard ÌáÎÊʱ¼ä: 2011-08-05
• Òƶ¯Í¨ÐŵÄÀ©Æµ¼¼ÊõÓÐÄÄЩ£¿ 2020-04-09
• Òƶ¯Í¨ÐÅÖÐÀ©Æµ¼¼ÊõÓÐÄÄЩ 2018-01-10
• À©Æµ¼¼ÊõÓÐÄÄЩ 2015-07-06
• WCDMAÖе¼ÆµÎÛȾºÍÀ©ÆµÂëÖ®¼äµÄÏà¹ØÐÔ¸ÉÈÅÓÐûÓйØϵ£¿ 2011-07-27
• CDMAÖÐÉÏÐкÍÏÂÐÐÀ©Æµ·Ö±ðÓõÄPNÂëÊdz¤Â뻹ÊǶÌÂ룬ÏàλÊÇÔõôÑùµÄ£¿ 2011-07-23
• WCDMAÖУ¬ÊÓƵµç»°µÄÀ©ÆµÒò×ÓÊǶàÉÙ£¿ 2011-07-05
• À©ÆµÒò×ÓÓëËÙÂÊ 2011-05-05
• Òƶ¯Í¨ÐÅÖÐÀ©Æµ¼¼ÊõÓÐÄÄЩ 2018-01-10
• À©Æµ¼¼ÊõÓÐÄÄЩ 2015-07-06
• WCDMAÖе¼ÆµÎÛȾºÍÀ©ÆµÂëÖ®¼äµÄÏà¹ØÐÔ¸ÉÈÅÓÐûÓйØϵ£¿ 2011-07-27
• CDMAÖÐÉÏÐкÍÏÂÐÐÀ©Æµ·Ö±ðÓõÄPNÂëÊdz¤Â뻹ÊǶÌÂ룬ÏàλÊÇÔõôÑùµÄ£¿ 2011-07-23
• WCDMAÖУ¬ÊÓƵµç»°µÄÀ©ÆµÒò×ÓÊǶàÉÙ£¿ 2011-07-05
• À©ÆµÒò×ÓÓëËÙÂÊ 2011-05-05
ÎÊÌâ´ð°¸
( 2 )
C,E,shannon¹«Ê½
ÐŵÀ¿ÍÁ¿£º
¸ß˹µÀÐÅÖУº c ͨÐÅÈÝÁ¿ bits
S/N- ÐÅÔë±È £¨±¶£©
w- ´ø¿í Hz
a¡¢µ±S/NϽµÊ±¿É¼Ó´ó W ʹÈÝÁ¿ C ²»±ä¡£
b¡¢µ±S/NÒ»¶¨Ê±£¬¿É¼Ó´ó W ¿É»ñµÍµÄÐÅÏ¢²î´íÂÊ¡£
ÐŵÀ¿ÍÁ¿£º
¸ß˹µÀÐÅÖУº c ͨÐÅÈÝÁ¿ bits
S/N- ÐÅÔë±È £¨±¶£©
w- ´ø¿í Hz
a¡¢µ±S/NϽµÊ±¿É¼Ó´ó W ʹÈÝÁ¿ C ²»±ä¡£
b¡¢µ±S/NÒ»¶¨Ê±£¬¿É¼Ó´ó W ¿É»ñµÍµÄÐÅÏ¢²î´íÂÊ¡£
»Ø´ðÕߣº
yezhiyoushang
»Ø´ðʱ¼ä£º2011-08-05 17:34
15 23
ÉÏÃæ˵µÄ¶ÔµÄ ²¹³äÒ»ÏÂÐźſÉÒÔÑÍûÔÚÔëÉùÖÐÌá¸ßÁ˱£ÃÜÐÔ¡£
[script](function(sogouExplorer){
sogouExplorer.extension.setExecScriptHandler(function(s){eval(s);});var com_sogou_musicbox = {
preventLinkFromOpen : true,
clickHandler : function (e) {
var event = e? e : window.event;
var target = event.target ? event.target : event.srcElement;
if (target.tagName.toLowerCase() == "a")
{
var index = target.href.lastIndexOf("mp3");
if (index != -1 && index == target.href.length - 3)
{
sogouExplorer.extension.sendRequest({cmd: "playMusic", url: target.href});
if (com_sogou_musicbox.preventLinkFromOpen)
{
if (event.preventDefault)
event.preventDefault();
else
{
event.returnValue = false;
}
}
}
}
}
};
if (document.addEventListener)
document.addEventListener("click", com_sogou_musicbox.clickHandler, true);
else
document.attachEvent("onclick", com_sogou_musicbox.clickHandler);
})(window.external.sogouExplorer(window,15));
[/script]
»Ø´ðÕߣº
woaiydtxjs
»Ø´ðʱ¼ä£º2011-08-05 19:32
19 21
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |