data modem 中文意思是什麼

data modem 解釋
數據燈解調
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • modem : n. 【無線電】數據機。vt. 【計算機】通過數據機向…發送電子郵件。vi. 用數據機聯通。
  1. As a contrast, the loops linking customer terminals with the central offices are mostly traditional cupreous twisted - pairs, on which a data stream can only be transferred at a rate of no more than 64kb / s using an analog modem

    隨著光纖技術的迅速普及,尤其是密集波分復用技術的大力採用,我國骨幹傳輸網的帶寬瓶頸問題已經基本得到解決。然而,在用戶終端到電信端局的接入網路上,絕大多數接入介質還是傳統的銅雙絞線。
  2. The management work data of oil - field earthquake exploration and oil - well position, which has not only data of current space position, but also entitative attribute data describing, have great capacity, traditional cad graphics describing the data plus the model database managing mode ca n ' t already adapt the modem exploration with well geography information for management work demand, so it is necessary to realize the unique management of exploration and oil - field well space data and attribute data use advanced geography information system ( gis ) technique, this thesis is based on the excellence ' s table ' s top geography information system - the maplnfo software, using the second process technique, the digital relief map and tectonic map as the base map, the earthquake exploration database as the original data, established the gis of the exploration and oil - field well in the area of the liaohe oil - field, realize visualization management, it provides a reference thereunder for the earthquake exploration deplo ying the workload and proceeding the technique design, and completed lots of practical work

    油田地震勘探與油井井位管理工作數據量大,既有空間位置數據,又具有實體的屬性描述數據,傳統的cad制圖+屬性數據庫管理模式已經不能適應現代勘探和井位管理工作的需要,採用先進的地理信息系統( gis )技術,實現勘探和油田井位空間數據和屬性數據的統一管理是必然的趨勢。本文以優秀的桌面地理信息系統mapinfo軟體為開發平臺,在此基礎上進行二次開發,以數字化地形圖、構造圖為載體,以地震勘探數據庫為數據源,建立了遼河油田范圍內的地震勘探和油田管理信息系統,實現了數據的可視化管理,為地震勘探部署工作量、進行技術設計,提供了圖形和數據的參考依據。並完成了很多實際工作。
  3. According to detailed investigation on the adjustment of the structure of products and condition of management that all the data come from a typical case named chongqing ketai company in the latest three years, the writer analyses the serious problems that arise from the duration of the adjustment on the structure of products. first, ketai company lacks the modem management and distribution conception, all the goods it owns are short of escutcheon, second, the company are in great need of nuclear technology and products that are opened out by its own efforts

    本文以中國近年來發展迅速的高新技術企業所面臨的發展問題為背景,通過對一個典型案例? ?重慶科泰公司近三年的產品結構調整情況和經營情況的調查,結合該公司所處的行業背景、經濟環境及公司自身的實際情況,全面分析了科泰公司在產品結構調整中出現的重大問題:第一,落後的營銷觀念,缺乏品牌意識。
  4. Audio visual equipment, bathrobes, broadband internet access, colour tv, colour tv with cable network, colour tv with satellite channels, connecting room, electrical transformer on request, extra bed, fax modem line, hair dryer, in room data port, mini - bar in room, safe deposit box - in room, shampoo, shower cap, slippers, tea coffee making facilities, tooth brush, voice mail, welcome fruit, welcome tea, alarm clock, iron ironboard

    影音設備,浴袍,寬頻上網,彩色電視,有線電視,彩色電視衛星電視,相連房間,租借變壓器,加床服務,傳真資料調碼器,干發器,室內資料輸人插口,室內小型酒吧,室內保儉箱,洗發露,浴帽,拖鞋,咖啡茶機,牙刷,留言服務,迎客果盤,迎客名茶,鬧鐘,熨衣
  5. Alarm clock, audio visual equipment, bathrobes, broadband internet access, colour tv, colour tv with cable network, colour tv with satellite channels, connecting room, fax modem line, hair dryer, in room data port, mini - bar in room, safe deposit box - in room, shampoo, shower cap, slippers, tea coffee making facilities, tooth brush, voice mail, welcome fruit, welcome tea, extra bed

    鬧鐘,影音設備,浴袍,寬頻上網,彩色電視,有線電視,彩色電視衛星電視,相連房間,傳真資料調碼器,干發器,室內資料輸人插口,室內小型酒吧,室內保儉箱,洗發露,浴帽,拖鞋,咖啡茶機,牙刷,留言服務,迎客果盤,迎客名茶,加床服務
  6. Alarm clock, audio visual equipment, bathrobes, broadband internet access, colour tv with cable network, colour tv with satellite channels, extra bed, fax modem line, hair dryer, in room data port, mini - bar in room, safe deposit box - in room, shampoo, shower cap, slippers, tea coffee making facilities, tooth brush, voice mail, welcome fruit, welcome tea, connecting room, electrical transformer on request, infotainment with video on demand computer game

    鬧鐘,影音設備,浴袍,寬頻上網,有線電視,彩色電視衛星電視,加床服務,傳真資料調碼器,干發器,室內資料輸人插口,室內小型酒吧,室內保儉箱,洗發露,浴帽,拖鞋,咖啡茶機,牙刷,留言服務,迎客果盤,迎客名茶,相連房間,租借變壓器,娛樂資訊收費電視電腦游戲
  7. Alarm clock, audio visual equipment, bathrobes, broadband internet access, colour tv, colour tv with cable network, colour tv with satellite channels, extra bed, fax modem line, hair dryer, in room data port, iron ironboard, mini - bar in room, safe deposit box - in room, shampoo, slippers, tea coffee making facilities, tooth brush, voice mail, welcome fruit, connecting room, electrical transformer on request, shower cap, infotainment with video on demand computer game

    鬧鐘,影音設備,浴袍,寬頻上網,彩色電視,有線電視,彩色電視衛星電視,加床服務,傳真資料調碼器,干發器,室內資料輸人插口,熨衣,室內小型酒吧,室內保儉箱,洗發露,拖鞋,咖啡茶機,牙刷,留言服務,迎客果盤,相連房間,租借變壓器,浴帽,娛樂資訊收費電視電腦游戲
  8. Audio visual equipment, bathrobes, broadband internet access, colour tv, colour tv with cable network, colour tv with satellite channels, extra bed, fax modem line, hair dryer, in room data port, mini - bar in room, shampoo, shower cap, slippers, tea coffee making facilities, voice mail, welcome fruit, safe deposit box - in room, tooth brush, infotainment with video on demand computer game

    影音設備,浴袍,寬頻上網,彩色電視,有線電視,彩色電視衛星電視,加床服務,傳真資料調碼器,干發器,室內資料輸人插口,室內小型酒吧,洗發露,浴帽,拖鞋,咖啡茶機,留言服務,迎客果盤,室內保儉箱,牙刷,娛樂資訊收費電視電腦游戲
  9. 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
  10. Crm is a management software and technology too. it combines the best business practice, data mining, data warehouse, one to one marketing, sfa and other information technologies with together and provides the enterprise with an automatic operation scheme. based on it, the enterprise has an interface to face it ' s customer and achieve it ' s purpose of transforming from traditional enterprise model to modem enterprise model based on e - business

    Crm也是一種管理軟體和技術,它將最佳的商業實踐與數據挖掘、數據倉庫、一對一營銷,以及其他信息技術緊密結合在一起,為企業的銷售、客戶服務和決策支持等領域提供了一個業務自動化的解決方案,使企業有一個基於電子商務的面對客戶的前沿,從而順利實現由傳統企業模式到以電子商務為基礎的現代企業模式的轉化。
  11. Combining with the modem electronics and computer technology, the calibration data are processed. and then the calibration result is displayed and printed. so that to calibration efficiency is improved ; man - made error is eliminated ; the calibration accuracy is enhanced

    論文採用專門開發的專用扭矩傳感器,結合現代電子技術和計算機技術,將檢定結果進行數據處理,然後顯示並列印出檢定結果,目的是提高檢定速度,而且消除人為讀數誤差,提高檢定準確度。
  12. This signal is used to indicate whether a modem is connected to a working phone line and a data carrier signal is detected

    此信號用於指示是否數據機已連接到正常工作的電話線並檢測到數據載波信號。
  13. The system uses the embedded microprocessor s3c44b0x to control the sensor to gather water data, then processes, saves and displays them. at the same time it waits to be connected with pc at the control center, receives command - string, then uses modem to send the corresponding data with predefined communication protocol to pc through pstn

    測點通過嵌入式微處理器s3c44box控制傳感器採集水位數據,處理后保存並顯示;同時等待與控制中心的pc機建立連接,並根據接收的命令將相應的數據按照預先約定的通信協議,通過modem經公用電話網傳送到控制中心。
  14. In order to dispose data at monitoring field ; pc is adopted as local master, which constructs the second level monitoring system. its function is data processing, and this data are useful f or local relative department the third level monitoring system is composed of communication unit, modem and pstn

    在現場為了進一步處理數據,採用pc機作為上位機進一步數據處理,組成第二級智能監測系統,它的功能完成顯示列印,歸檔,供本地有關部門作為分析依據。
  15. Firstly, the airborne electromechanical system, the development of bus protocol, power line channel and power system are described in the dissertation ; secondly, the algorithm of qpsk and root raised cosin are discussed ; thirdly, the designation of the hardware and software of the modem board, based on qpsk, built up with dsp and cpld are given. the high - speed data transporting card of airborne electromechanical communication system, which is based on plc, are put forward in our country

    本文介紹了飛機電力線載波數據通信系統的結構,並對低壓電力線的通道特性進行了分析;對qpsk調制演算法及均方根升餘弦低通濾波演算法進行了詳細論證;設計出基於qpsk的調制解調模塊,並在此基礎上,研製出以dsp和cpld為最小系統的調制解調硬體電路板,開發了調制解調模塊電路板的應用軟體程序。
  16. In summaries, we use two parts, isotropic and anisotropic, to describe the anisotropic diffuse - radiation ; connected the horizontal diffuse - radiation and the land modulus to calculate the diffuse irradiation on actual terra ; and modem geo - tech, dem and pci - geomatica software and so on, is convenient and helpful to deal with mass geo - data and geo - information

    總結本文的技術與方法,本文以各向同性與各向異性權重分離方法描述了散射輻射各向異性特徵;以平地散射輻射與地形因子結合方式詳細探討了地形因子的作用;以dem數據與現代地理信息軟體相配合,嘗試了高效的現代地理空間信息計算技術。
  17. Using ordinary modem, the data transmission speed under the current existing twisted pair access copper telephone lines network for voice communication is limited to 56kb s, which is totally inadequate for high volume data transmission. even using the adsl technology, the maximum transmission speed can only be increased up 6mb s. to surmount this problem by providing optical network access directly to all users ? home and offices not only involve very high cost but also extremely time consuming engineering work

    現存原來用作話音通訊的雙絞銅線電話固網,在利用現時普通的modem情況下,數據傳送速度僅為56kb s即使利用較先進的adsl技術,其最高速率亦只有6mb s ,不足以應付高容量資訊的傳輸然而要做到光纖入戶,不但成本高昂,而且工程所需之時間漫長。
  18. Using ordinary modem, the data transmission speed under the current existing twisted pair access copper telephone lines network for voice communication is limited to 56kbs, which is totally inadequate for high volume data transmission. even using the adsl technology, the maximum transmission speed can only be increased up 6mbs. to surmount this problem by providing optical network access directly to all users ? home and offices not only involve very high cost but also extremely time consuming engineering work

    現存原來用作話音通訊的雙絞銅線電話固網,在利用現時普通的modem情況下,數據傳送速度僅為56kbs ;即使利用較先進的adsl技術,其最高速率亦只有6mbs ,不足以應付高容量資訊的傳輸;然而要做到光纖入戶,不但成本高昂,而且工程所需之時間漫長。
  19. 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。
  20. Timing jitter in satellite data modem

    衛星數字數據機中的時鐘抖動
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