移動(dòng)通信專業(yè)詞匯-資料下載頁(yè)
2025-08-04 04:55本頁(yè)面
【正文】 60。音質(zhì)評(píng)價(jià)assessment of acoustics應(yīng)急通信emergency munication應(yīng)用服務(wù)Application Service擁擠控制congestion control擁塞Jamming blocking用戶電話交換機(jī)PBXprivate branch exchange用戶寄存器subscriber register用戶鑒權(quán)鍵subscriber authentication key用戶交互界面User Interface用戶開關(guān)subscriber switch用戶身份鑒權(quán) subscriber identity authentication有效全向輻射功率 (EIRP)effective isotropic radiated power語(yǔ)言自然度naturalness of speech語(yǔ)音編碼speech coding語(yǔ)音撥號(hào)voice dial語(yǔ)音合成speech synthesis語(yǔ)音識(shí)別speech recognition語(yǔ)音提示voice prompt越區(qū)切換handover 或 handoff越區(qū)切換執(zhí)行handover execution載波功率carrier power載躁比carrier to noise ratio在線測(cè)試online testing增值業(yè)務(wù)value added service占線測(cè)試engaged test占用帶寬occupied bandwidth占用帶寬occupied bandwidth戰(zhàn)略目標(biāo)strategic objective振動(dòng)vibrate正態(tài)分布normal distribution幀frame幀號(hào)碼 FNframe number幀同步碼frame synchronization code直接呼叫direct call直接擴(kuò)頻碼分多址DS CDMADirect Spreading CDMA直接序列擴(kuò)頻(DS)direct sequence spread spectrum中國(guó)聯(lián)通China Uni中國(guó)移動(dòng)China Mobile中繼器repeater主呼線識(shí)別限制 CLIRcalling line identification restriction主交換機(jī)host change主控站main control station主鐘master clock駐波standing wave駐波比standing wave ratio專用傳輸信道DCHDedicated Transport Channel專用控制信道DCCHDedicated Control Channel專用信道dedicated channel子幀subframe自動(dòng)功率控制 APCautomatic power control自動(dòng)呼叫automatic calling自動(dòng)呼叫識(shí)別automatic call identification自動(dòng)化automation自動(dòng)頻率控制 AFCautomatic frequency control自動(dòng)請(qǐng)求重發(fā) ARQautomatic repeat request自動(dòng)信道選擇automatic channel selection自動(dòng)增益控制 AGCautomatic gain control自動(dòng)重?fù)躠utomatic redial自由空間傳播free space propagation自由空間傳輸損耗free space transmission loss綜合業(yè)務(wù)數(shù)字網(wǎng) ISDNintegrated services digital network組合干擾bination interference組合干擾bination interference組合音bination tone組呼talkgroup call最大有用功率maximum useful power最佳工作頻率 (OWF)optimum working frequency最佳工作頻率 OWFoptimum working frequency15 / 15
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