radio modem 中文意思是什麼
radio modem
解釋
無線數據機-
Cable / satellite tv, hairdryer, in - room safe, internet access, iron and ironing board, mini bar, modem / data port connection, pay - per - view movies, private bathroom / ensuite, radio, telephone, television, voice mail
空調，有線電視/衛星電視，風筒，安全室，上網，熨斗和燙衣板，迷你酒吧，數據機，計費電影，私人浴室/套房，電臺，電話，電視，留言 -
Moreover, videophones, wrist communicators, palmtop computers, and radio modem cards for portable computers will also be available
而視像電話，腕式通訊器，掌上電腦及手提電腦的無線上網卡調解器卡亦將會推出。 -
The hotel has 235 guest rooms and suites, all equipped with remote control color tv with satellite reception, individually contro - lled air - conditioning, idd ddd telephone, radio, refrigerator and minibar, hair - dryer, modem links, inroom safety deposit box, bathroom amenities, and tea coffee making facilities
酒店擁有235間設備完善的客房及套房，其中包括標準間高級標準間行政高級間行政休閑間行政套房公寓套房及總統套房。 -
This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer
本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上，討論了幾種採用典型調制技術的短波數傳系統（如時頻調制、多進制頻移鍵控慢跳頻、 chess系統）原理、優缺點以及抗衰落和抗符號間干擾的性能；分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關鍵技術；在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制，給出了一個採用bcm技術與自適應均衡技術相結合的短波數傳系統方案，並通過計算機模擬進行了初部驗證。 -
Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding
本文首先介紹了相關的軟體無線電理論；然後完成了包括數據格式，調制方式，糾錯碼方式，交織器和擾碼器等部分的中頻數據機通道設計；接著著重介紹了系統中使用的音頻壓縮演算法cvsd （連續可變斜率增量調制）的原理和實現，以及作為前向糾錯碼的卷積碼編碼理論和編解碼的高效實現。 -
Based on this gateway, a 16kbps fh - gmsk wireless data transmission have accomplished. the arrangement of the thesis is below : chapter 1 gives brief description of software radio in the origin and development status and for the future chapter 2 introduces the theory related to software radio chapter 3 introduces the characteristic about wireless channel and some estimation way of channel chapter 4 introduces scheme of wireless data transmission. a 16kbps fh - gmsk wireless data transmission have accomplished, the mainly modem algorithm is done by dsp chapter 5 summary
本文的結構安排如下：第一章對軟體無線電的由來、定義、發展狀況以及結構做了簡要的概述第二章介紹了軟體無線電相關的一些理論第三章介紹了無線通道的特性，及常用通道估計的方法第四章介紹了無線數傳的實施方案，在硬體平臺上實現了16kkbps的gmsk跳頻數傳，主要的調制解調演算法在ti的dsp上得到實現第五章總結和展望 -
An example of data acquisition from mass meters in tankfarm in refinery with radio modem is introduced. the systems hardware and software are described
介紹了一個利用無線遙測方法對煉油廠罐區質量流量計實現數據採集的實例。描述了該系統的硬體組成和軟體設計方法。 -
There will be smaller " smartphones " with web browsing and e - mail capabilities. moreover, videophones, wrist communicators, palmtop computers, and radio modem cards for portable computers will also be available
而視像電話，腕式通訊器，掌上電腦及手提電腦的無線上網卡（調解器卡）亦將會推出。 -
1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart
本文首先概述了蜂窩數字分組數據網的結構和空中協議，詳細分析了移動數據鏈路協議，並在此基礎上，重點敘述了以下方面的工作： 1 ）設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現數據鏈路層的主要功能，包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸，並進行適當的流控； 2 ）建立測試模型測試移動數據鏈路協議的可靠性和穩定性，證明了程序包的效用； 3 ）根據cdpd系統無線數據機的軟硬體總體設計方案，完成了介面模塊，實現了rs232異步串口通信，使用戶可以根據需要發送短消息或連續的偽隨機比特流； 4 ）在tms320c54x的軟體、硬體模擬平臺上，建立了cdpd試驗模型，實現了cdpd系統的mdlp基本功能。 -
Broadband internet connection, business centre, 24 - hour safety deposit box centre, laundry valet, airport shuttle, limousine service, equinox fitness centre, massage salon, gymnasium, jacuzzi, sauna, idd telephone with fax modem multiple line, satellite tv, in - house movies, radio, indoor swimming pool, outdoor jogging trail, bicycle rental, basement parking, clinic, hotel boutique, beauty salon, hair salon, non - smoking floor available, air - conditioning with individual climate, control, in - room electronic safe, mini bar, tea coffee making facilities
457間國際標準客房和華麗套房，設施先進一流的會議宴會場所，中西日式特色餐廳及前衛配套設施一應俱全，是您商務旅行旅遊休閑的理想下榻之處。飯店機場定點班車免費接送，乘25 26 104 201 304 319 321路等汽車及小公共汽車均可到達。 -
The research in software radio is not more than ten years, but has made a great many fruits, but it is too little to set up an integrated theory system, and software radio includes many areas such as modern communication system ( which includes modem source / channel encoding and decoding, equalization, encrypt and decrypt and so on ), wideband antenna theory, digital signal process, microelectronics, computer and so on. this thesis mainly does research for modem in modem communication
軟體無線電經過不到10年的研究，盡管取得了很多成果，但是對于建立一套完整的理論體系來說，還遠遠不夠，況且軟體無線電涉及的領域多、面廣、發展快，如現代通信理論（含調制解調、信源通道編解碼、均衡、加密解密等） 、寬帶天線理論、數字信號處理、微電子、計算機等。
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