Microwave Station 微波站
NDB National Association 0f Broadcasters (美國(guó)全國(guó)廣播工作者協(xié)會(huì)
NEB Near Audio-On-Demand 準(zhǔn)點(diǎn)播音頻
NHK National Broadcasting Company （美國(guó)全國(guó)廣播公司
NI Network Computer 網(wǎng)絡(luò)計(jì)算機(jī)
NII News Cutter 新聞編輯系統(tǒng)
NIM Noise Criterion 噪聲尺度
N-ISDN Network DataBase 網(wǎng)絡(luò)數(shù)據(jù)庫(kù)
NLE Noise Equivalent Bandwidth 噪聲等效帶寬
NLES Nippon Hoso Kyokai 日本廣播協(xié)會(huì)
NMT Noise Index 噪聲指數(shù)
NNI National Information Infrastructure （美國(guó)國(guó)家信息基礎(chǔ)設(shè)施
Network Interface Module 網(wǎng)絡(luò)接口模塊
NO Narrow Band-ISDN 窄帶綜合業(yè)務(wù)數(shù)據(jù)網(wǎng)
NT Non-Linear Editing 非線性編輯
NTE Non-Linear Editing System 非線性編輯系統(tǒng)
NTSC Network Management Terminal 網(wǎng)絡(luò)管理終端
NVOD Network-Network Interface 網(wǎng)絡(luò)一網(wǎng)絡(luò)接口
Network-Node Interface 網(wǎng)絡(luò)節(jié)點(diǎn)接口
Network Operator 網(wǎng)絡(luò)運(yùn)營(yíng)者
OAB Network Terminal 網(wǎng)絡(luò)終端
OAN Network Termination Equipment 網(wǎng)絡(luò)終接設(shè)備
OAW National Television System Committee (美國(guó)國(guó)家電視系統(tǒng)(制式委員會(huì)
OB Near Video On Demand 準(zhǔn)視頻點(diǎn)播
ODN One-to-All Broadcast 單向廣播
OFC Optical Access Network 光纖接入網(wǎng)
ONU On-Air Workstation 播出工作站
OO Outside Broadcast 實(shí)況廣(轉(zhuǎn)播
OOP Optical Distribution Node 光分配節(jié)點(diǎn)
OS Optical Fiber Cable 光纜
OSS Optical Network Unit 光網(wǎng)絡(luò)裝置
OTDM Object Oriented 面向?qū)ο?BR> OTT Object-Oriented Programming 面向?qū)ο缶幊?BR> OWA Operation System 操作系統(tǒng)
Optimal Stereo Signal 立體聲信號(hào)
Optical Time Division Multiplexing 光時(shí)分復(fù)用
PA Optical Transmission Technology 光傳輸技術(shù)
PAM One-Way Addressable 單向?qū)ぶ?BR> PAS Power Amplifier 功率放大器
PBX Pulse Amplitude Modulation 脈沖幅度調(diào)制
PC Public Address System 擴(kuò)聲系統(tǒng)
Private Branch Exchange 專用小交換機(jī)
PCI Perceptual Coding 感知編碼
PCL Picture Coding 圖像編碼
PCM Peripheral Component Interconnect 外圍部件互連(總線
PDA Play Control List 播放控制表
PDH Pulse Code Modulation 脈碼調(diào)制
PDN Pulse Distribution Amplifier 脈沖分配放大器
PE Pseudo-synchronous Digital Hierarchy 準(zhǔn)同步數(shù)字系列
PFM Public Data Network 公用數(shù)據(jù)網(wǎng)
PIO Phase Encoding 相位編碼
PL Pulse Frequency Modulation 脈沖頻率調(diào)制
PM Parallel Input Output 并行輸入輸出
P-PSN Private Lines 專用線路
PS Phase Modulation 相位調(diào)制
Public Packet Switched Network 公共包交換網(wǎng)絡(luò)
Power Supply 電源
Packet Switch 數(shù)據(jù)包交換機(jī)
Program Stream 節(jié)目碼流
PSC Program Switching Center 節(jié)目切換中心
PSE Packet-Switched Exchange 分組交換機(jī)
PSN Public Switching Network 公共交換網(wǎng)
PSTN Public Switching Telecommunication Network 公共交換電信網(wǎng)
PTV Pay Television 付費(fèi)電視
Projection Television 投影電視
PW Pulse Width 脈寬
RAID Redundant Array of Inexpensive Disc 廉價(jià)磁盤(pán)冗余陣列
RAM Random Access Memory 隨機(jī)存取存儲(chǔ)器
RBDS Radio Broadcast Data System 無(wú)線廣播數(shù)據(jù)系統(tǒng)
RBW Reference Bandwidth 參考帶寬
RCC Route Control Center 路由控制中心
RDS Radio Data System 廣播數(shù)據(jù)系統(tǒng)
RF Radio Frequency 射頻
RFA Raman Fiber Amplifier 拉曼光纖放大器
RIU Remote Interface Unit 遠(yuǎn)端用戶單元
RMS Root Mean Square 均方根值，有效值
ROM Read-only Memory 只讀存儲(chǔ)器
RP Radio Paging 廣播尋呼
Record Pointer 記錄指針
RT Radio Test 廣播文本
RTA Real Time Analyzer 實(shí)時(shí)分析（儀，頻譜分析（儀
RTCA Real Time Control Area 實(shí)時(shí)控制區(qū)
RTS Real Time Simulator 實(shí)時(shí)模擬
Real Time System 實(shí)時(shí)系統(tǒng)
RTV Real Time Video 實(shí)時(shí)視頻
RVC Remote Video Conference 遠(yuǎn)程視頻會(huì)議
RVS Remote Video Surveillance 遙控視頻監(jiān)視
RZ Return to Zero 歸零(碼，復(fù)零
SA Source Address 源地址
SAN Small Area Network 小區(qū)網(wǎng)絡(luò)
Storage Area Network 存儲(chǔ)區(qū)域網(wǎng)絡(luò)
SARFT State Administration of Radio Film and TV （中國(guó)國(guó)家廣播電影電視總局)
SAW Surface Acoustic Wave 聲表面波
SAWF Surface Acoustic Wave Filter 聲表面波濾波器
S-CDMA Synchronous-Code Division Multiple Access 同步碼分多址方式
SCE Single Channel Encoder 單信道編碼器
SCMS Serial Copy Management System 成套復(fù)制管理系統(tǒng)
SCN Space Cable Network （通信衛(wèi)星CATV 節(jié)目傳送網(wǎng)絡(luò)
SDB Switched Digital Data Interconnect 交換數(shù)字廣播
SDH Synchronous Digital Hierarchy 同步數(shù)字系列
SDI Serial Digital Interface 串行數(shù)字接口
Standard Data Interface 標(biāo)準(zhǔn)數(shù)據(jù)接口
SDMA Space Division Multiple Access 空分多址
SDN Synchronous Digital Transmission Network 同步數(shù)字傳輸網(wǎng)絡(luò)
SDTV Standard Definition Television 標(biāo)準(zhǔn)清晰度電視
SE Sound Effect 音響效果
SEA Sound Effect Amplifier 音響效果放大器
Special Effect Amplifier 特技放大器
SEG Special Effect Generator 特技發(fā)生器
SI Service Information （數(shù)字電視
SIO Serial Input /Output 串行輸入/輸出
SLA Semi-conductor Laser Amplifier 半導(dǎo)體激光放大器
SMF Single Mode Fiber 單模光纖
SMS Subscriber Management System 用戶管理系統(tǒng)
SNG Satellite News Gathering 衛(wèi)星新聞采集系統(tǒng)
SNR Signal to Noise Ratio 信噪比
NDB National Association 0f Broadcasters (美國(guó)全國(guó)廣播工作者協(xié)會(huì)
NEB Near Audio-On-Demand 準(zhǔn)點(diǎn)播音頻
NHK National Broadcasting Company （美國(guó)全國(guó)廣播公司
NI Network Computer 網(wǎng)絡(luò)計(jì)算機(jī)
NII News Cutter 新聞編輯系統(tǒng)
NIM Noise Criterion 噪聲尺度
N-ISDN Network DataBase 網(wǎng)絡(luò)數(shù)據(jù)庫(kù)
NLE Noise Equivalent Bandwidth 噪聲等效帶寬
NLES Nippon Hoso Kyokai 日本廣播協(xié)會(huì)
NMT Noise Index 噪聲指數(shù)
NNI National Information Infrastructure （美國(guó)國(guó)家信息基礎(chǔ)設(shè)施
Network Interface Module 網(wǎng)絡(luò)接口模塊
NO Narrow Band-ISDN 窄帶綜合業(yè)務(wù)數(shù)據(jù)網(wǎng)
NT Non-Linear Editing 非線性編輯
NTE Non-Linear Editing System 非線性編輯系統(tǒng)
NTSC Network Management Terminal 網(wǎng)絡(luò)管理終端
NVOD Network-Network Interface 網(wǎng)絡(luò)一網(wǎng)絡(luò)接口
Network-Node Interface 網(wǎng)絡(luò)節(jié)點(diǎn)接口
Network Operator 網(wǎng)絡(luò)運(yùn)營(yíng)者
OAB Network Terminal 網(wǎng)絡(luò)終端
OAN Network Termination Equipment 網(wǎng)絡(luò)終接設(shè)備
OAW National Television System Committee (美國(guó)國(guó)家電視系統(tǒng)(制式委員會(huì)
OB Near Video On Demand 準(zhǔn)視頻點(diǎn)播
ODN One-to-All Broadcast 單向廣播
OFC Optical Access Network 光纖接入網(wǎng)
ONU On-Air Workstation 播出工作站
OO Outside Broadcast 實(shí)況廣(轉(zhuǎn)播
OOP Optical Distribution Node 光分配節(jié)點(diǎn)
OS Optical Fiber Cable 光纜
OSS Optical Network Unit 光網(wǎng)絡(luò)裝置
OTDM Object Oriented 面向?qū)ο?BR> OTT Object-Oriented Programming 面向?qū)ο缶幊?BR> OWA Operation System 操作系統(tǒng)
Optimal Stereo Signal 立體聲信號(hào)
Optical Time Division Multiplexing 光時(shí)分復(fù)用
PA Optical Transmission Technology 光傳輸技術(shù)
PAM One-Way Addressable 單向?qū)ぶ?BR> PAS Power Amplifier 功率放大器
PBX Pulse Amplitude Modulation 脈沖幅度調(diào)制
PC Public Address System 擴(kuò)聲系統(tǒng)
Private Branch Exchange 專用小交換機(jī)
PCI Perceptual Coding 感知編碼
PCL Picture Coding 圖像編碼
PCM Peripheral Component Interconnect 外圍部件互連(總線
PDA Play Control List 播放控制表
PDH Pulse Code Modulation 脈碼調(diào)制
PDN Pulse Distribution Amplifier 脈沖分配放大器
PE Pseudo-synchronous Digital Hierarchy 準(zhǔn)同步數(shù)字系列
PFM Public Data Network 公用數(shù)據(jù)網(wǎng)
PIO Phase Encoding 相位編碼
PL Pulse Frequency Modulation 脈沖頻率調(diào)制
PM Parallel Input Output 并行輸入輸出
P-PSN Private Lines 專用線路
PS Phase Modulation 相位調(diào)制
Public Packet Switched Network 公共包交換網(wǎng)絡(luò)
Power Supply 電源
Packet Switch 數(shù)據(jù)包交換機(jī)
Program Stream 節(jié)目碼流
PSC Program Switching Center 節(jié)目切換中心
PSE Packet-Switched Exchange 分組交換機(jī)
PSN Public Switching Network 公共交換網(wǎng)
PSTN Public Switching Telecommunication Network 公共交換電信網(wǎng)
PTV Pay Television 付費(fèi)電視
Projection Television 投影電視
PW Pulse Width 脈寬
RAID Redundant Array of Inexpensive Disc 廉價(jià)磁盤(pán)冗余陣列
RAM Random Access Memory 隨機(jī)存取存儲(chǔ)器
RBDS Radio Broadcast Data System 無(wú)線廣播數(shù)據(jù)系統(tǒng)
RBW Reference Bandwidth 參考帶寬
RCC Route Control Center 路由控制中心
RDS Radio Data System 廣播數(shù)據(jù)系統(tǒng)
RF Radio Frequency 射頻
RFA Raman Fiber Amplifier 拉曼光纖放大器
RIU Remote Interface Unit 遠(yuǎn)端用戶單元
RMS Root Mean Square 均方根值，有效值
ROM Read-only Memory 只讀存儲(chǔ)器
RP Radio Paging 廣播尋呼
Record Pointer 記錄指針
RT Radio Test 廣播文本
RTA Real Time Analyzer 實(shí)時(shí)分析（儀，頻譜分析（儀
RTCA Real Time Control Area 實(shí)時(shí)控制區(qū)
RTS Real Time Simulator 實(shí)時(shí)模擬
Real Time System 實(shí)時(shí)系統(tǒng)
RTV Real Time Video 實(shí)時(shí)視頻
RVC Remote Video Conference 遠(yuǎn)程視頻會(huì)議
RVS Remote Video Surveillance 遙控視頻監(jiān)視
RZ Return to Zero 歸零(碼，復(fù)零
SA Source Address 源地址
SAN Small Area Network 小區(qū)網(wǎng)絡(luò)
Storage Area Network 存儲(chǔ)區(qū)域網(wǎng)絡(luò)
SARFT State Administration of Radio Film and TV （中國(guó)國(guó)家廣播電影電視總局)
SAW Surface Acoustic Wave 聲表面波
SAWF Surface Acoustic Wave Filter 聲表面波濾波器
S-CDMA Synchronous-Code Division Multiple Access 同步碼分多址方式
SCE Single Channel Encoder 單信道編碼器
SCMS Serial Copy Management System 成套復(fù)制管理系統(tǒng)
SCN Space Cable Network （通信衛(wèi)星CATV 節(jié)目傳送網(wǎng)絡(luò)
SDB Switched Digital Data Interconnect 交換數(shù)字廣播
SDH Synchronous Digital Hierarchy 同步數(shù)字系列
SDI Serial Digital Interface 串行數(shù)字接口
Standard Data Interface 標(biāo)準(zhǔn)數(shù)據(jù)接口
SDMA Space Division Multiple Access 空分多址
SDN Synchronous Digital Transmission Network 同步數(shù)字傳輸網(wǎng)絡(luò)
SDTV Standard Definition Television 標(biāo)準(zhǔn)清晰度電視
SE Sound Effect 音響效果
SEA Sound Effect Amplifier 音響效果放大器
Special Effect Amplifier 特技放大器
SEG Special Effect Generator 特技發(fā)生器
SI Service Information （數(shù)字電視
SIO Serial Input /Output 串行輸入/輸出
SLA Semi-conductor Laser Amplifier 半導(dǎo)體激光放大器
SMF Single Mode Fiber 單模光纖
SMS Subscriber Management System 用戶管理系統(tǒng)
SNG Satellite News Gathering 衛(wèi)星新聞采集系統(tǒng)
SNR Signal to Noise Ratio 信噪比