無線(xian)(xian)(xian)(xian)(xian)(xian)麥克風的(de)(de)(de)接(jie)(jie)收天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)是被人誤(wu)解的(de)(de)(de)較大地(di)區(qu)之一。天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)選擇、布局和布線(xian)(xian)(xian)(xian)(xian)(xian)的(de)(de)(de)錯(cuo)誤(wu)都(dou)可(ke)(ke)能(neng)(neng)導致性(xing)(xing)(xing)能(neng)(neng)覆(fu)蓋區(qu)域(yu)的(de)(de)(de)距離(li)短、信(xin)號(hao)(hao)(hao)強度(du)(du)低(di)，從(cong)而導致頻繁掉線(xian)(xian)(xian)(xian)(xian)(xian)。現代的(de)(de)(de)多(duo)(duo)樣(yang)性(xing)(xing)(xing)接(jie)(jie)收器(qi)(qi)所(suo)具備的(de)(de)(de)性(xing)(xing)(xing)能(neng)(neng)遠(yuan)優于單獨天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)類型的(de)(de)(de)性(xing)(xing)(xing)能(neng)(neng)，但要(yao)(yao)(yao)(yao)使(shi)(shi)系統(tong)性(xing)(xing)(xing)能(neng)(neng)和可(ke)(ke)靠性(xing)(xing)(xing)都(dou)達到(dao)較優化，天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)的(de)(de)(de)選擇和布局都(dou)必須(xu)正(zheng)確。那么如(ru)何解決(jue)這個(ge)問題(ti)呢？首先要(yao)(yao)(yao)(yao)保(bao)證系統(tong)良好(hao)的(de)(de)(de)多(duo)(duo)樣(yang)性(xing)(xing)(xing)性(xing)(xing)(xing)能(neng)(neng)，天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)空間(jian)至少保(bao)證一個(ge)半(ban)(ban)波長。接(jie)(jie)收天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)的(de)(de)(de)角度(du)(du)應是“V”型配置，在(zai)(zai)發射器(qi)(qi)移(yi)動或(huo)(huo)者(zhe)放(fang)置在(zai)(zai)不同(tong)角度(du)(du)時(shi)都(dou)可(ke)(ke)以(yi)提供更好(hao)的(de)(de)(de)信(xin)號(hao)(hao)(hao)拾(shi)取性(xing)(xing)(xing)能(neng)(neng)。如(ru)果(guo)接(jie)(jie)收器(qi)(qi)的(de)(de)(de)安(an)(an)裝(zhuang)(zhuang)位置要(yao)(yao)(yao)(yao)遠(yuan)離(li)表(biao)演區(qu)(如(ru)在(zai)(zai)設(she)備壁櫥或(huo)(huo)封閉(bi)的(de)(de)(de)機架內(nei))，應遠(yuan)程安(an)(an)裝(zhuang)(zhuang)半(ban)(ban)波天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)或(huo)(huo)定向(xiang)天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)(較好(hao)在(zai)(zai)觀眾(zhong)之上)，以(yi)便到(dao)發射器(qi)(qi)之間(jian)有清晰的(de)(de)(de)界線(xian)(xian)(xian)(xian)(xian)(xian)視線(xian)(xian)(xian)(xian)(xian)(xian)。不要(yao)(yao)(yao)(yao)遠(yuan)程安(an)(an)裝(zhuang)(zhuang)¼短波天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)，因(yin)為(wei)他們將接(jie)(jie)收器(qi)(qi)機箱作(zuo)為(wei)地(di)面天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)。天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)之間(jian)多(duo)(duo)余的(de)(de)(de)距離(li)不會顯著改善(shan)系統(tong)的(de)(de)(de)多(duo)(duo)樣(yang)性(xing)(xing)(xing)性(xing)(xing)(xing)能(neng)(neng)，但可(ke)(ke)能(neng)(neng)會更好(hao)覆(fu)蓋更大的(de)(de)(de)舞臺(tai)、教堂(tang)或(huo)(huo)會議(yi)室(shi)區(qu)域(yu)范圍。如(ru)果(guo)天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)安(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)位置遠(yuan)離(li)舞臺(tai)，可(ke)(ke)以(yi)使(shi)(shi)用定向(xiang)天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)，通過拾(shi)取該(gai)方向(xiang)更多(duo)(duo)地(di)信(xin)號(hao)(hao)(hao)，減少其他角度(du)(du)信(xin)號(hao)(hao)(hao)拾(shi)取來改善(shan)信(xin)號(hao)(hao)(hao)接(jie)(jie)收。如(ru)果(guo)采用同(tong)軸線(xian)(xian)(xian)(xian)(xian)(xian)纜將天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)連接(jie)(jie)到(dao)接(jie)(jie)收器(qi)(qi)，就(jiu)可(ke)(ke)能(neng)(neng)需要(yao)(yao)(yao)(yao)采用天(tian)(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)(xian)放(fang)大器(qi)(qi)來解決(jue)線(xian)(xian)(xian)(xian)(xian)(xian)纜傳輸中的(de)(de)(de)信(xin)號(hao)(hao)(hao)損失(shi)問題(ti)。信(xin)號(hao)(hao)(hao)數(shu)量(liang)的(de)(de)(de)損失(shi)取決(jue)于線(xian)(xian)(xian)(xian)(xian)(xian)纜的(de)(de)(de)具體長度(du)(du)和電纜類型，因(yin)此，請按照制造商的(de)(de)(de)建(jian)議(yi)進(jin)行計(ji)算，信(xin)號(hao)(hao)(hao)總的(de)(de)(de)凈損失(shi)量(liang)應控(kong)制在(zai)(zai)5dB內(nei)。