C114ÃÅ»§ÂÛ̳°Ù¿ÆAPPEN| ¾Ù±¨ Çл»µ½¿í°æ

ÑÇÐÇÓÎÏ·¹ÙÍø

 ÕÒ»ØÃÜÂë
 ×¢²á

Ö»ÐèÒ»²½£¬¿ìËÙ¿ªÊ¼

¶ÌÐÅÑéÖ¤£¬±ã½ÝµÇ¼

ËÑË÷
²é¿´: 7892|»Ø¸´: 0

[ÎÊÌâÌÖÂÛ] LTEѧϰ [¸´ÖÆÁ´½Ó]

¾üÏεȼ¶£º

亚星游戏官网-yaxin222  Áбø

×¢²á£º2016-2-4
·¢±íÓÚ 2016-9-25 22:15:01 |ÏÔʾȫ²¿Â¥²ã
ʱ¼äµ¥ÔªÓë·ûºÅ³¤¶È£ºTs=1/(15000*2048)£¬ÄÇôÕâ¸öÖµÊÇÔõôµÃÀ´µÄÄØ£¿ÆäÖеÄ15000ºÍ2048¸öÓÐʲôÌض¨º¬ÒåÂð£¿

¡¡¡¡Ê×ÏÈÈ·¶¨×ÓÔز¨¼ä¸ôΪ15kHz=15000Hz£¬ËùÒÔOFDM·ûºÅ³¤¶ÈÊÇ1/15000Ã룬ÔÙÈ·¶¨FFTµãÊýΪ2048£¬ËùÒÔ²ÉÑù¼ä¸ô=ʱ¼ä/µãÊý=1/15000/2048=1/(15000*2048)£¬Ö±½Ó´Ó²ÉÑùʱ¼ä¼ä¸ôÀ´ËµÃ÷£¬Ò²¿ÉÒÔÕâÑùÀí½â£¬´Ó·ûºÅʱ¼ä³¤¶ÈÀ´ÍÆË㣺OFDM·ûºÅÖÜÆÚ£¬¼´Ò»¸öOFDM·ûºÅ³ÖÐøʱ¼äTsymbol=1/15000s=66.7us

¾Ù±¨±¾Â¥

ÄúÐèÒªµÇ¼ºó²Å¿ÉÒÔ»ØÌû µÇ¼ | ×¢²á |

ÊÖ»ú°æ|C114 ( »¦ICP±¸12002291ºÅ-1 )|ÁªÏµ´ó¼Ò |ÍøÕ¾µØͼ  

GMT+8, 2024-11-26 07:36 , Processed in 0.081037 second(s), 15 queries , Gzip On.

Copyright © 1999-2023 C114 All Rights Reserved

Discuz Licensed

»Ø¶¥²¿
XML µØͼ | Sitemap µØͼ