锟斤拷锟斤拷位锟矫ｏ拷锟斤拷页 > 锟斤拷锟斤拷锟教筹拷 > 锟教筹拷 > WiFi锟斤拷锟斤拷(锟斤拷)锟斤拷锟斤拷锟竭伙拷锟斤拷知识
liwen01 2024.10.01 前锟斤拷 锟斤拷锟剿刮ぴわ拷锟斤拷说锟脚诧拷锟侥达拷锟节ｏ拷锟斤拷锟斤拷通锟斤拷实锟斤拷证实锟斤拷锟斤拷锟剿刮わ拷锟皆わ拷裕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭碉拷挪锟斤拷锟皆拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷叩绫ㄏ低筹拷锟斤拷哟锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷系统时锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷通锟斤拷系统锟叫必诧拷锟斤拷锟劫碉拷锟斤拷刹锟斤拷郑锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷墙锟斤拷锟斤拷藕锟阶拷锟轿拷锟脚诧拷锟脚号凤拷锟斤拷锟饺ワ拷锟揭诧拷锟斤拷越锟斤拷锟斤拷盏锟斤拷牡锟脚诧拷锟脚猴拷转锟斤拷为锟斤拷锟斤拷
liwen01 2024.10.01
锟斤拷锟剿刮ぴわ拷锟斤拷说锟脚诧拷锟侥达拷锟节ｏ拷锟斤拷锟斤拷通锟斤拷实锟斤拷证实锟斤拷锟斤拷锟剿刮わ拷锟皆わ拷裕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭碉拷挪锟斤拷锟皆拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷叩绫ㄏ低筹拷锟斤拷哟锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷系统时锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷通锟斤拷系统锟叫必诧拷锟斤拷锟劫碉拷锟斤拷刹锟斤拷郑锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷墙锟斤拷锟斤拷藕锟阶拷锟轿拷锟脚诧拷锟脚号凤拷锟斤拷锟饺ワ拷锟揭诧拷锟斤拷越锟斤拷锟斤拷盏锟斤拷牡锟脚诧拷锟脚猴拷转锟斤拷为锟斤拷锟脚号★拷
锟斤拷 WiFi 应锟斤拷锟叫ｏ拷WiFi 锟斤拷锟斤拷锟斤拷 WiFi 锟斤拷锟杰癸拷系锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭的凤拷锟津、硷拷锟斤拷锟斤拷锟斤拷锟芥、锟斤拷锟斤拷频锟绞凤拷围锟饺诧拷锟斤拷锟斤拷
要锟斤拷锟斤拷锟斤拷锟竭的癸拷锟斤拷原锟斤拷锟斤拷锟斤拷要锟斤拷习一锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷知识锟斤拷锟斤拷锟斤拷只锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷细锟斤拷锟杰★拷锟斤拷锟叫诧拷锟街伙拷锟斤拷知识锟斤拷锟皆参匡拷锟斤拷一篇锟斤拷锟斤拷锟斤拷锟捷★拷 wifi锟斤拷锟斤拷(一)锟斤拷锟斤拷锟竭电波锟斤拷WIFI锟脚号革拷锟脚★拷衰锟斤拷 锟斤拷
詹姆斯锟斤拷锟斤拷锟斤拷锟剿★拷锟斤拷锟剿刮� 锟斤拷锟斤拷私锟斤拷纭拷拧锟斤拷锟酵筹拷锟轿拷锟脚筹拷锟斤拷锟斤拷锟斤拷锟斤拷斯韦锟斤拷锟斤拷锟介，实锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷牛锟劫猴拷牡诙锟斤拷锟酵骋伙拷锟�
锟斤拷锟剿刮わ拷锟斤拷锟斤拷锟斤拷微锟街憋拷锟斤拷式为锟斤拷
锟斤拷锟皆简单革拷锟斤拷为锟斤拷
锟斤拷斯锟斤拷锟斤拷(锟界场) 锟斤拷锟斤拷锟斤拷锟界场锟斤拷锟斤拷之锟斤拷墓锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟角电场锟斤拷源头锟斤拷锟界场锟斤拷锟斤拷锟斤拷煞锟缴拷锟斤拷锟斤拷蚋旱锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷斯锟斤拷锟斤拷(锟脚筹拷) 锟斤拷说锟斤拷锟脚筹拷没锟叫碉拷锟斤拷锟斤拷(锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷 锟脚硷拷)锟斤拷锟脚筹拷锟斤拷锟角闭合的ｏ拷锟斤拷锟脚筹拷锟斤拷通锟斤拷通锟斤拷锟斤拷锟斤拷蘸锟斤拷锟斤拷锟轿拷悖拷媳锟斤拷偶锟斤拷锟斤拷浅啥源锟斤拷凇锟�
锟斤拷锟斤拷锟节讹拷锟斤拷 锟斤拷锟斤拷锟斤拷锟戒化锟侥磁筹拷锟斤拷尾锟斤拷锟斤拷绯★拷锟斤拷浠拷拇懦锟斤拷锟斤拷锟斤拷锟轿э拷占锟斤拷锟斤拷锟斤拷转锟界场锟斤拷锟斤拷锟斤拷堑锟脚革拷应锟斤拷锟斤拷
锟斤拷锟斤拷-锟斤拷锟剿刮わ拷锟斤拷锟� 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵变化锟侥电场锟斤拷尾锟斤拷锟斤拷懦锟斤拷锟斤拷浠拷牡绯★拷锟斤拷应锟斤拷锟脚筹拷锟斤拷锟斤拷挪锟斤拷拇锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷直浠拷牡绯★拷痛懦锟斤拷嗷ワ拷锟斤拷伞锟�
锟斤拷锟剿刮わ拷锟�1864锟疥发锟斤拷锟斤拷锟斤拷锟侥★拷锟斤拷懦锟斤拷亩锟斤拷锟窖э拷锟斤拷邸锟斤拷锟斤拷锟斤拷锟界场锟酵磁筹拷锟皆诧拷锟斤拷锟斤拷式锟皆癸拷锟斤拷锟节空硷拷锟叫达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵拷纸锟斤拷实绯★拷痛懦锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷哦锟斤拷锟酵憋拷锟斤拷锟斤拷锟斤拷锟皆わ拷锟斤拷说锟脚诧拷锟侥达拷锟节★拷
1886 锟疥海锟斤拷锟斤拷希锟斤拷鲁锟斤拷锟津·猴拷锟斤拷锟斤拷实锟斤拷证实锟剿碉拷挪锟斤拷拇锟斤拷冢锟斤拷锟斤拷锟斤拷锟剿碉拷挪锟斤拷锟斤拷锟斤拷锟斤拷俣锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷一锟斤拷锟桔察到锟斤拷挪锟斤拷锟斤拷芯劢锟斤拷锟街憋拷锟斤拷浴锟斤拷锟斤拷洹拷锟斤拷锟斤拷偏锟斤拷锟斤拷锟斤拷省锟�
锟斤拷锟斤拷证锟斤拷锟斤拷挪锟斤拷锟斤拷诘锟斤拷锟斤拷椋癸拷玫锟阶帮拷锟斤拷腔鸹锟较讹拷锟斤拷锟斤拷锟斤拷锟�
(1) 锟斤拷路元锟斤拷锟斤拷锟斤拷 锟斤拷
B 锟斤拷锟斤拷鼗锟斤拷源锟斤拷锟结供锟斤拷路锟斤拷锟斤拷牡锟斤拷堋锟�
SW 锟斤拷锟斤拷锟截ｏ拷锟斤拷锟斤拷锟斤拷锟狡碉拷路锟斤拷通锟较ｏ拷锟斤拷锟斤拷实锟介。
C 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节存储锟斤拷锟斤拷
T 锟斤拷锟斤拷压锟斤拷锟斤拷使 S 锟斤拷锟剿诧拷锟斤拷锟竭碉拷压锟斤拷
L : 锟斤拷压锟斤拷锟较碉拷锟斤拷圈锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷纬锟� LC 谐锟斤拷锟铰�
I 锟斤拷锟斤拷锟斤拷锟斤拷(Interrupter)锟斤拷锟斤拷锟斤拷锟皆地断匡拷锟酵闭合碉拷路锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷锟劫筹拷诺纾拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷岵拷锟�
S 锟斤拷锟金花硷拷隙锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷螅锟窖癸拷锟斤拷叩锟斤拷愎凰绞憋拷锟斤拷鸹锟较讹拷锟斤拷锟斤拷锟斤拷锟金花放电，锟酵放碉拷锟斤拷锟斤拷C锟斤拷锟斤拷锟斤拷锟斤拷
M 锟斤拷锟斤拷锟斤拷锟斤拷锟叫的火花硷拷隙锟斤拷锟斤拷锟斤拷挪锟斤拷锟斤拷锟绞憋拷锟斤拷锟斤拷锟揭诧拷锟斤拷锟斤拷锟金花ｏ拷证锟斤拷锟斤拷挪锟斤拷拇锟斤拷凇锟�
(2) 锟斤拷锟斤拷原锟斤拷 锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷
锟斤拷锟斤拷锟斤拷 SW 锟秸猴拷时锟斤拷锟斤拷源 B 锟斤拷锟斤拷锟斤拷锟斤拷 C1 锟斤拷纾拷诔锟斤拷锟斤拷锟斤拷校锟斤拷锟斤拷锟斤拷潜浠拷模锟斤拷浠拷牡锟斤拷锟酵拷锟斤拷锟饺� L1,锟斤拷锟斤拷锟戒化锟侥磁筹拷锟斤拷锟戒化锟侥磁筹拷锟斤拷锟斤拷圈 L2 锟叫诧拷锟斤拷锟斤拷应锟界动锟狡ｏ拷为锟斤拷锟斤拷锟斤拷锟斤拷 C 锟斤拷纭�
C1 锟斤拷锟斤拷锟斤拷锟金渐达拷锟斤拷锟斤拷锟斤拷锟斤拷直锟斤拷锟斤拷路锟斤拷没锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 S 锟斤拷锟斤拷锟斤拷锟斤拷鸹ā锟�
锟金花诧拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷 C 锟侥碉拷压锟斤拷锟竭碉拷锟姐够锟竭碉拷水平时锟斤拷锟节火花硷拷隙 S 锟斤拷锟斤拷为锟斤拷压锟斤拷芽锟斤拷锟斤拷锟斤拷耄拷诘绯★拷锟斤拷锟斤拷锟斤拷虏锟斤拷锟斤拷鸹ǚ诺纾拷头诺锟斤拷锟斤拷锟� C 锟叫达拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟金花放碉拷时锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟劫的碉拷锟斤拷锟戒化(锟斤拷锟斤拷锟斤拷锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷圈 L 锟叫的碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷围锟侥空硷拷锟叫诧拷锟斤拷锟斤拷挪锟斤拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷姆诺锟金花ｏ拷锟斤拷原锟斤拷锟斤拷锟斤拷斯锟斤拷锟斤拷圈原锟斤拷锟斤拷锟狡ｏ拷锟斤拷锟斤拷通锟斤拷锟竭碉拷压锟斤拷锟斤拷锟斤拷锟斤拷诺锟斤拷锟斤拷锟金花★拷
锟斤拷挪锟斤拷锟斤拷锟� 锟斤拷
锟斤拷锟节碉拷锟斤拷锟侥匡拷锟劫变化锟斤拷锟斤拷锟斤拷锟斤拷锟剿刮わ拷锟斤拷蹋锟斤拷浠拷牡锟斤拷锟斤拷锟斤拷锟斤拷锟戒化锟侥磁筹拷锟斤拷锟斤拷锟戒化锟侥磁筹拷锟斤拷锟斤拷圈锟叫伙拷锟接︼拷锟斤拷绯★拷锟斤拷锟斤拷直浠拷牡锟脚筹拷锟斤拷锟皆碉拷挪锟斤拷锟斤拷锟绞斤拷诳占锟斤拷写锟斤拷锟斤拷锟�
锟斤拷锟秸碉拷挪锟� 锟斤拷
锟斤拷锟斤拷挪锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷幕锟斤拷锟斤拷锟斤拷锟� M 时锟斤拷锟斤拷锟节碉拷锟竭伙拷锟叫硷拷锟斤拷锟斤拷锟斤拷应锟界动锟狡ｏ拷使锟矫碉拷锟竭伙拷锟斤拷锟斤拷小锟斤拷之锟斤拷也锟斤拷锟斤拷锟剿火花ｏ拷说锟斤拷锟斤拷锟斤拷锟斤拷呋锟斤拷锟斤拷盏锟斤拷说锟脚诧拷锟斤拷
锟斤拷隙锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角诧拷锟斤拷锟斤拷锟斤拷瞬态锟斤拷锟藉，锟斤拷为锟斤拷锟结波锟斤拷锟睫凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街达拷锟斤拷锟竭电传锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷 (锟斤拷锟斤拷悴ワ拷锟斤拷锟斤拷叩缁帮拷藕诺锟�)锟斤拷
偶锟斤拷锟斤拷锟斤拷锟斤拷(Dipole Antenna)锟斤拷锟斤拷虻ァ锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷之一锟斤拷也锟斤拷锟街达拷锟斤拷锟斤拷通锟斤拷系统锟斤拷应锟斤拷锟斤拷惴猴拷锟斤拷锟斤拷锟街�,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟饺的碉拷锟藉构锟缴★拷
锟斤拷挪锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷绯★拷痛懦锟斤拷锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷竦床锟�
通锟斤拷锟斤拷锟斤拷锟竭碉拷锟斤拷要锟斤拷锟戒方锟斤拷锟斤拷锟斤拷锟斤拷锟结垂直锟斤拷锟斤拷锟街筹拷一锟斤拷圆锟斤拷锟轿凤拷锟斤拷模式锟斤拷
偶锟斤拷锟斤拷锟斤拷锟斤拷锟叫诧拷锟斤拷锟斤拷挪锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷呓锟� 锟斤拷锟斤拷 锟斤拷一锟斤拷锟斤拷锟斤拷拢锟斤拷锟斤拷拥拇锟叫★拷诎锟斤拷锟斤拷锟斤拷锟斤拷时锟斤拷效锟斤拷锟斤拷茫锟斤拷锟斤拷锟揭诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟� 锟诫波锟斤拷锟斤拷 锟斤拷
锟斤拷锟斤拷锟斤拷锟接ｏ拷锟酵匡拷锟皆凤拷锟斤拷锟斤拷锟斤拷锟侥碉拷挪锟斤拷恕锟�
锟斤拷锟竭的凤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷挪锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诮锟斤拷锟斤拷锟斤拷叨锟斤拷裕锟斤拷锟斤拷锟斤拷员锟绞撅拷锟斤拷叨圆锟酵拷锟斤拷锟斤拷锟斤拷牡锟脚诧拷锟斤拷锟斤拷锟叫的斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟竭对空间不同锟斤拷锟斤拷锟斤拷胁锟酵拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭的凤拷锟斤拷锟皆★拷
锟斤拷锟斤拷锟竭的凤拷锟斤拷锟皆匡拷锟皆斤拷锟斤拷锟竭匡拷锟皆凤拷为全锟斤拷锟斤拷锟竭和讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟洁。
锟诫波锟皆筹拷锟斤拷锟斤拷锟斤拷锟竭的凤拷锟戒方锟斤拷
水平锟斤拷(H锟斤拷)
锟斤拷直锟斤拷(E锟斤拷)
使锟斤拷锟斤拷锟斤反锟斤拷锟芥，锟窖癸拷锟绞凤拷锟戒到锟斤拷锟洁方锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷一锟斤拷小锟斤拷锟斤拷锟斤拷冢锟斤拷锟斤拷锟接讹拷锟斤拷煤芨叩锟斤拷锟斤拷妗�
锟斤拷锟竭的硷拷锟斤拷(Antenna Polarization)指锟斤拷锟斤拷锟斤拷锟竭凤拷锟斤拷锟斤拷锟秸碉拷挪锟斤拷锟� 锟界场 矢锟斤拷锟侥凤拷锟斤拷
锟斤拷锟节电场锟斤拷懦锟斤拷泻愣拷墓锟较碉拷锟斤拷锟揭伙拷愣硷拷锟� 锟界场矢锟斤拷 锟侥凤拷锟斤拷锟斤拷为锟斤拷锟竭凤拷锟斤拷锟脚诧拷锟侥硷拷锟斤拷锟斤拷锟津，诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟戒方锟斤拷锟较的电场矢锟斤拷锟斤拷锟斤拷为锟斤拷锟竭的硷拷锟斤拷锟斤拷锟斤拷
锟斤拷锟竭硷拷锟斤拷锟斤拷要锟叫ｏ拷锟斤拷锟皆硷拷锟斤拷锟斤拷圆锟轿硷拷锟斤拷锟斤拷锟斤拷圆锟斤拷锟斤拷锟斤拷锟斤拷锟洁：
锟竭硷拷锟斤拷锟斤拷指锟斤拷挪锟斤拷牡绯∈革拷锟斤拷锟揭伙拷锟街憋拷锟斤拷穸锟斤拷锟斤拷莘锟斤拷锟斤拷锟皆斤拷一锟斤拷锟斤拷为锟斤拷
锟竭硷拷锟斤拷锟截碉拷
圆锟斤拷锟斤拷锟斤拷指锟界场矢锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷绯★拷姆锟斤拷虿欢媳浠拷锟斤拷纬锟皆诧拷锟斤拷穸旒ｏ拷锟皆诧拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷停锟�
锟斤拷锟斤拷圆锟斤拷锟斤拷(Right-Hand Circular Polarization, RHCP) 锟斤拷锟界场矢锟斤拷锟斤拷顺时锟诫方锟斤拷锟斤拷转锟斤拷
锟斤拷锟斤拷圆锟斤拷锟斤拷(Left-Hand Circular Polarization, LHCP) 锟斤拷锟界场矢锟斤拷锟斤拷锟斤拷时锟诫方锟斤拷锟斤拷转锟斤拷
锟斤拷圆锟斤拷锟斤拷锟角斤拷锟斤拷锟竭硷拷锟斤拷锟斤拷圆锟斤拷锟斤拷之锟斤拷锟揭伙拷旨锟斤拷锟斤拷锟斤拷汀锟斤拷绯∈革拷锟斤拷锟斤拷锟皆诧拷墓旒ｏ拷锟阶拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺拷锟斤拷锟斤拷曰锟皆诧拷巍锟斤拷锟斤拷旨锟斤拷锟酵拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷一些锟斤拷锟斤拷应锟斤拷锟斤拷
双锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟戒单元锟斤拷锟斤拷锟斤拷徒锟斤拷锟斤拷藕牛锟矫匡拷锟斤拷锟皆拷锟斤拷胁锟酵拷募锟斤拷锟斤拷锟斤拷锟�.
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷舜锟斤拷锟斤拷锟斤拷锟斤拷锟剿匡拷锟斤拷锟斤拷同一频锟斤拷锟铰凤拷锟酵和斤拷锟斤拷锟斤拷锟介不同锟斤拷锟脚号ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷达拷锟斤拷锟叫э拷省锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷式锟杰癸拷锟节诧拷锟斤拷锟脚对凤拷锟斤拷锟斤拷锟斤拷锟绞碉拷锟剿拷锟斤拷藕糯锟斤拷锟�
锟斤拷图锟斤拷某锟斤拷AP锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
双锟斤拷锟斤拷锟斤拷锟竭碉拷锟斤拷要锟斤拷锟斤拷
锟斤拷锟狡碉拷锟叫э拷锟� 锟斤拷双锟斤拷锟斤拷锟斤拷锟竭匡拷锟斤拷锟斤拷同一锟斤拷频锟斤拷锟斤拷同时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟脚猴拷锟斤拷锟斤拷锟接讹拷实锟斤拷双锟斤拷锟斤拷锟斤拷锟捷达拷锟斤拷锟斤拷锟绞★拷锟斤拷锟斤拷锟斤拷锟斤拷频锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟截憋拷锟斤拷锟节凤拷锟斤拷通锟脚猴拷锟斤拷锟竭撅拷锟斤拷 WiFi 锟斤拷锟叫★拷
锟斤拷强锟脚猴拷锟斤拷锟斤拷(MIMO 锟斤拷锟斤拷支锟斤拷) 锟斤拷双锟斤拷锟斤拷锟斤拷锟竭匡拷锟斤拷支锟斤拷MIMO(锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷)锟斤拷锟斤拷锟斤拷通锟斤拷使锟矫讹拷锟斤拷锟斤拷叩锟皆拷图锟斤拷锟斤拷锟斤拷锟斤拷芄锟斤拷锟斤拷玫锟接︼拷锟斤拷藕诺姆锟斤拷洹⑺ワ拷锟斤拷投嗑缎в︼拷锟斤拷佣锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷藕诺母锟斤拷欠锟轿э拷锟斤拷榷锟斤拷浴锟�
锟斤拷锟斤拷锟洁互锟斤拷锟斤拷(Cross-Polarization Isolation) 锟斤拷双锟斤拷锟斤拷锟斤拷锟斤拷锟杰癸拷锟斤拷锟斤拷锟洁互锟斤拷锟脚ｏ拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(90锟斤拷锟斤拷位锟斤拷)锟斤拷锟斤拷锟街革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟狡碉拷识蔚母锟斤拷牛锟斤拷锟斤拷锟斤拷锟斤拷诟锟斤拷芏鹊锟斤拷锟斤拷叩缁凤拷锟斤拷小锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷通锟斤拷同时使锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟脚号ｏ拷双锟斤拷锟斤拷锟斤拷锟斤拷锟杰癸拷锟斤拷锟矫碉拷应锟皆伙拷锟斤拷锟叫的革拷锟脚ｏ拷锟截憋拷锟斤拷锟节革拷锟接的多径锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷锟斤拷锟斤拷锟斤拷同锟斤拷锟脚猴拷路锟斤拷锟斤拷锟叫诧拷同锟侥革拷锟斤拷锟斤拷为锟斤拷锟斤拷丝锟斤拷锟斤拷锟叫э拷锟斤拷锟斤拷藕藕锟斤拷锟斤拷锟斤拷锟�
锟斤拷强锟秸硷拷锟铰凤拷锟斤拷锟�(Spatial Multiplexing) 锟斤拷锟斤拷MIMO系统锟叫ｏ拷双锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷同时使锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟津，匡拷锟斤拷实锟街空硷拷锟铰凤拷锟斤拷茫锟斤拷佣锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷荽锟斤拷锟斤拷锟斤拷省锟斤拷锟斤拷锟斤拷执锟斤拷锟斤拷锟斤拷锟酵拷锟较低筹拷屑锟轿拷锟揭拷锟�
锟斤拷锟斤拷之锟斤拷募锟斤拷锟狡ワ拷锟斤拷锟斤拷锟脚号达拷锟斤拷锟叫э拷锟斤拷锟斤拷锟斤拷锟揭拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭和斤拷锟斤拷锟斤拷锟竭的硷拷锟斤拷锟斤拷匹锟斤拷(锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟角达拷直锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷水平锟斤拷锟斤拷)锟斤拷锟结导锟斤拷锟斤拷锟斤拷锟斤拷锟脚猴拷锟斤拷模锟斤拷锟斤拷锟斤拷锟斤拷蟊怀锟轿拷锟斤拷锟斤拷锟侥★拷锟节硷拷锟斤拷锟斤拷锟斤拷拢锟斤拷锟斤拷锟斤拷锟狡ワ拷锟斤拷锟斤拷锟竭匡拷锟杰伙拷锟斤拷全锟睫凤拷锟斤拷锟斤拷锟脚号★拷
同锟斤拷锟斤拷通锟斤拷 锟斤拷锟斤拷锟斤拷锟斤拷锟竭和斤拷锟斤拷锟斤拷锟竭的硷拷锟斤拷锟斤拷同锟斤拷通锟斤拷效锟绞高ｏ拷锟脚猴拷锟斤拷锟叫★拷锟�
锟斤拷锟芥极锟斤拷锟斤拷锟� 锟斤拷锟斤拷锟斤拷徒锟斤拷锟斤拷锟斤拷叩募锟斤拷锟斤拷锟揭伙拷锟绞憋拷锟斤拷锟斤拷锟斤拷藕呕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷s
锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟脚达拷锟斤拷锟脚号★拷
锟斤拷锟斤拷锟斤拷锟芥并锟斤拷锟斤拷示锟斤拷锟斤拷实锟斤拷 锟脚达拷 锟斤拷锟脚号ｏ拷锟斤拷锟角憋拷示锟斤拷锟斤拷锟杰癸拷锟斤拷锟斤拷锟斤拷墓锟斤拷锟斤拷锟侥筹拷锟斤拷锟斤拷锟斤拷细锟斤拷锟斤拷械胤锟斤拷洹ｏ拷锟斤拷叩锟斤拷锟斤拷锟斤拷锟轿讹拷锟斤拷锟斤拷锟斤拷锟侥筹拷锟斤拷锟斤拷锟斤拷戏锟斤拷锟斤拷锟斤拷盏墓锟斤拷矢锟角匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接︼拷墓锟斤拷式锟斤拷锟斤拷锟斤拷锟剿ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷越锟竭ｏ拷锟斤拷锟竭的凤拷锟斤拷锟斤拷越强锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭筹拷一锟斤拷锟截讹拷锟斤拷锟斤拷锟秸凤拷锟脚号碉拷锟斤拷锟斤拷锟斤拷锟斤拷选锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟侥诧拷锟斤拷之一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵猴拷锟斤拷亍锟�
锟斤拷锟竭碉拷锟斤拷锟芥单位锟斤拷锟斤拷锟斤拷 dBi 锟斤拷 dBd
(a)dBi(锟斤拷锟斤拷诟锟斤拷锟酵拷锟斤拷锟斤拷叩锟斤拷锟斤拷锟�)
(b) dBd (锟斤拷锟斤拷锟脚硷拷锟斤拷锟斤拷锟斤拷叩锟斤拷锟斤拷锟�)
锟斤拷锟节半波偶锟斤拷锟斤拷锟斤拷锟竭碉拷锟斤拷锟斤拷为 2.15 dBi锟斤拷锟斤拷锟� dBi 锟斤拷 dBd 之锟斤拷墓锟较碉拷牵锟�
dBi=dBd+2.15
锟节讹拷锟斤拷 WiFi 锟借备锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷 dBi 锟斤拷注锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诟锟斤拷锟酵拷锟斤拷锟斤拷叩姆锟斤拷锟斤拷锟斤拷堋锟斤拷锟斤拷锟斤拷募锟斤拷锟絎iFi路锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 2 dBi锟斤拷 5 dBi之锟戒。
锟斤拷锟竭的诧拷锟斤拷锟斤拷锟揭伙拷锟街革拷锟斤拷锟侥半功锟绞诧拷锟斤拷锟斤拷锟�(Half-Power Beamwidth锟斤拷HPBW)锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟脚猴拷强锟斤拷锟铰斤拷锟斤拷锟斤拷锟角匡拷锟揭伙拷锟�(-3 dB)时锟斤拷锟轿成的角度差，通锟斤拷锟矫角度讹拷锟斤拷(锟斤拷)锟斤拷锟斤拷示锟斤拷
锟斤拷锟斤拷(Lobe) 锟斤拷锟斤拷锟竭凤拷锟戒方锟斤拷图锟斤拷每锟斤拷凸锟金部分筹拷为锟斤拷锟疥。锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷锟斤拷强锟侥诧拷锟疥，锟洁波锟斤拷捅锟斤拷锟斤拷锟斤拷锟斤拷锟皆斤拷锟斤拷锟侥诧拷锟疥。
锟诫功锟绞碉拷(Half-Power Point) 锟斤拷锟斤拷锟斤拷锟斤拷榷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷旯︼拷蚀锏斤拷锟斤拷锟斤拷锟绞碉拷50%锟斤拷锟侥角度凤拷围锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟戒方锟斤拷锟斤拷锟�3 dB锟侥癸拷锟绞点。
锟斤拷锟斤拷锟斤拷锟�(Beamwidth) 锟斤拷锟斤拷锟斤拷锟斤拷缺锟绞撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟诫功锟绞点到锟揭诧拷牍︼拷实锟街拷锟侥角度★拷锟斤拷一锟角讹拷通锟斤拷锟斤拷锟斤拷为 -3 dB锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷锟斤拷 锟斤拷全锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟叫较匡拷锟侥诧拷锟斤拷锟斤拷龋锟斤拷锟斤拷锟斤拷锟斤拷盏姆锟斤拷锟斤拷越锟斤拷锟斤拷锟斤拷屎细锟斤拷墙洗锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵iFi路锟斤拷锟斤拷锟斤拷全锟斤拷锟斤拷锟竭★拷
窄锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷锟斤拷锟竭撅拷锟叫斤拷窄锟侥诧拷锟斤拷锟斤拷龋锟斤拷屎铣锟斤拷锟斤拷锟酵高撅拷锟饺碉拷通锟脚筹拷锟斤拷锟斤拷锟斤拷锟斤拷微锟斤拷通锟脚★拷锟斤拷锟斤拷通锟脚猴拷锟斤拷锟竭电传锟斤拷取锟�
锟斤拷锟竭的诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街拷锟斤拷锟节凤拷锟饺癸拷系锟斤拷通锟斤拷锟斤拷锟斤拷拢锟斤拷锟斤拷叩牟锟斤拷锟斤拷锟斤拷越窄锟斤拷锟斤拷锟竭碉拷锟斤拷锟斤拷越锟竭★拷锟斤拷锟斤拷锟斤拷为窄锟斤拷锟斤拷锟斤拷锟斤拷锟杰斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诮锟叫★拷慕嵌确锟轿э拷冢锟斤拷佣锟斤拷锟斤拷锟节该凤拷锟斤拷锟较碉拷锟脚猴拷强锟斤拷
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