數字無線通道 的英文怎麼說

中文拼音 [shǔzìwúxiàntōngdào]
數字無線通道 英文
digital radio path
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 通 : 通量詞（用於動作）
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. According to time of operation, the buses are divided as follows : numbers that start with " 2 " are morning and evening rush hour buses, numbers that start with 3 are night buses ; according to location, buses are divided as follows : puxi buses, pudong buses, buses that cross the river including tunnel and bridge lines, and suburban area buses [ 700s & 900s ] ; according to payment method, the buses are divided into : single - ticket rmb 1 ( lines of 13 kilometer or less from end to end ) and rmb 1. 5 ( lines of 13 kilometers or more from end to end ) ticket - sellerless buses ( most two digit city buses and three digits buses starting with " 1 ", " 2 ", " 7 " are of this kind ; no change will be made, but terminal stations and hubs will have rmb 1 and rmb 1. 5 ticket booklets for sale, 50 non - refundable tickets per booklet ), and also single ticket rmb 2 air - conditioned buses and scaled - price ticket special lines ( including specialty coach lines starting with " 5 ", pudong specialty lines starting with " 6 ", mid - size coaches that start with " 8 ", double - decker buses and air - conditioned coaches that start with " 9 ", as well as the ten air - conditioned tourism lines [ and airport buses ] )

    按運營時間分，有：日間公交車、 「 2 」字頭的早晚高峰車和「 3 」字頭的夜宵車；按地域范圍分，有浦西的、浦東的、過江的（含大橋、隧道線）和郊區線；按票務方式分，有單一票價1元（全程13公里以下的線路）或1 . 5元（全程超13公里的線路）的無人售票車（市內公交號碼為兩位數的或三位數中「 1 」字頭、 「 2 」字頭、 「 7 」字頭的線路絕大多數是無人售票車，自備零錢，不找零，公交終點站、各主要交通樞紐均有1元和1元5角兩種面值的公交預售票出售，每本50張，售出不退） ，還有單一票價2元的空調車和多級票價的專線車（有「 5 」字頭的大巴專線、 「 6 」字頭的浦東專線車、 「 8 」字頭的中巴專線和「 9 」字頭的雙層車或空調大巴，還有十條空調旅遊專線） 。
  2. The channelized digital receiver based on srd is the electronic equipment, which can be used in communication and military affairs, because of its excellence on wide band frequency coverage, digital processing, software programming, high dynamic range, receiving signal with all probability, simultaneous signal detection and so on

    基於軟體無線電思想的通道化數字接收機是一種即可用在通信領域也可用在軍事領域的電子設備，具有大帶寬、數字化、軟體化、大動態范圍、全概率接收、多信號同時處理等優點。
  3. An algorithm of fec ( forward error correction ) system and it ’ s fpga implementation were researched, . then the fec system was applied to an audio transmission platform. the platform can decrease the error bit rate to 1 10 - 7 when channel error bit rate is 3 10 - 3. veriloghdl was chosen to design the circuits

    研究了一種前向糾錯（ fec ）演算法及基於fpga的相應電路設計，將此電路應用於數字音頻無線傳輸，搭建了一個完整的數字音頻無線傳輸平臺，當無線通道誤碼率為3 10 - 3時，經過該糾錯電路可以降低到1 10 - 7以下。
  4. In the new century, all of our staff are looking forward to welcome you with high quality service ! the new century hotel is located near the beautiful xuanwu lake and railway station. it is a 10 minute walk to the international exhibition center, 2 minutes to nanjing railway station, and 40 minutes driving to lukou international airport

    酒店314間套各式湖景客房，裝修豪華裝飾典雅，可收看cnn hbo家庭電影頻道衛視電影臺等35套國內國際衛星頻道，並配備vod數字點播系統及ddn寬帶網路，您可通過網路高速專線或wlan無線上網直接進入internet ，盡情享受沖浪的樂趣和網上電子商務活動的便捷。
  5. Tetra ( terrestrial trunked radio ) digital trunked radio communication system is a kind of advanced private mobile communication system and is a radio directed communication system, which can share resource, expenditure and channel equipments, provide kinds of services and have high efficiency

    Tetra數字集群系統是一種高級專用移動通信系統，是共享資源、分擔費用、共用通道設備和服務的多用途、高效能的無線調度通信系統。
  6. 900 1800mhz tdma digital cellular mobile communication network technical specification for gprs general packet rervice tunnelling protocol

    900 1800mhz tdma數字蜂窩移動通信網通用分組無線業務gprs隧道協議技術規范
  7. A new compact pipeline leak detection and location monitoring system with the gprs wireless communication technology

    微型gprs無線數字通訊管道泄漏檢測系統微型gprs無線數字通訊管道泄漏檢測系統
  8. In this paper, consulting the idea of software radio and using the three important theories of maximum mean power estimate ( mmpe ) for symbol synchronization algorithm, the kalman decision - feedback equalization ( dfe ) algorithm and the decision - feedback phase lock loop ( dfpll ) algorithm, a kind of low frequency digital demodulate scheme over high - frequency ( hf ) radio channels for 8psk signial is realized

    本文利用軟體無線電的思想，提出了一種hf通道8psk信號低頻采樣數字化解調方案。討論了實現該方案的三個核心演算法：最大平均功率定時同步演算法、判決反饋式鎖相環和卡爾曼均衡器，分析它們的基本理論，並進行了性能測試。
  9. Secondly, basing on single channel if sr receiver mathematic model, this thesis has designed if sr receiver subsystem and brought forward its design project and system circuit principle diagram, and explained the system working principle. furthermore, this thesis introduces the working principles and respective applications of wideband high - speed adc ad6640, ddc ad6620 and high - speed dsp tms320c6713 according with the if sr receiver subsystem high - speed analog digital conversion department, digital down conversion department and high speed digital signal processing department. thirdly, the thesis emphatically demonstrates the software realization department of the if sr receiver subsystem, which including ad6620 ' s inner parameter software setup, tms320c6713 data transmission and processing and the quadrant demodulation algorithm program realization

    其次，基於單通道中頻軟體無線電接收機數學模型，本文設計了中頻（ if ， intermediatefrequency ）軟體無線電接收機子系統，給出了中頻軟體無線電接收機子系統的設計方案和系統電路原理圖，說明了系統工作原理，並分別對應系統中的高速模數轉換部分、數字下變頻部分、基帶數字碩士學位論文軟體無線電理論研究及中頻軟體無線電接收機子系統設計信號處理部分，介紹了高速adcad664o ，數字下變頻器（ ddc ， digitaldownconverter ） ad6620 ，高速數字信號處理器（ dsp ， digitalsignalproeessor ） tms320c6713的工作原理，以及它們在中頻軟體無線電接收機子系統中的應用。
  10. Summarization of sdr 2. hardware design of a multi - channel digital receiver based on sdr and the new adc device ad6652 including system, a / d, dsp and power etc. 3

    2 .基於軟體無線電及高速adc器件ad6652的多通道數字接收機硬體電路設計，包括系統、 a / d 、 dsp和電源等。
  11. Software design of a multi - channel digital receiver based on sdr and the new adc device ad6652 including signal demodulation, initialization and sdr demodulation arithmetic etc. 4

    3 .基於軟體無線電及高速adc器件ad6652的多通道數字接收機軟體設計，包括信號解調，初始化和軟體無線電解調演算法等等。
  12. According to request that military put forward, the target car that subject research should have such characteristics as remote control, high precision, good safeguarding, needing no track, etc, so as to achieve purpose of course require correctly when training to carry on cannon static to static, static to move, move to static, move to move etc. target car transfer speed require low inertia, high accuracy, high dependability, stupid and getting excellent and kind systematically ; wireless communication system expect much dependability, better anti - interference ability ; computer control system demand and try one ' s best to adopt advanced technology, components and parts source of goods reliable, high dependability, structure to be simple, have serial communication, digital display, systematic trouble examine and function of showing etc. the job of this thesis is divided into three major parts : the proposition and confirming of the electric power pulls, specification requirement and selecting type of equipment of communication system, sureness of the computer control system scheme

    根據軍方提出的要求，本課題研製的遙控坦克靶車應具有遙控、精度高、維護性好、無軌道、自帶動力等特點，以達到訓練時進行火炮或導彈靜對靜、靜對動、動對靜、動對動設擊等課目的要求。靶車調速系統要求低慣性、高精度、高可靠性、魯棒性好；無線通訊系統要求高可靠性、抗干擾能力強；微機控制系統要求盡量採用先進技術、元器件貨源可靠、高可靠性、結構盡量簡單，具有串列通訊、數字顯示、系統故障自檢及顯示等功能。本文的工作分為三大部分：電力拖動方案的提出及確定、對通訊系統的技術要求及設備選型、微機控制系統方案的確定。
  13. Digital radio path

    數字無線通道
  14. Adaptive modulation mainly include several problem for example signal shape, channel estimation, all digital receiver and so on. since the channel referring to adaptive modulation is very hostile in wireless transmission channel, its algorithms and architectures used for the modulation and demodulation should be carefully devised and considered. designing appropriate algorithms and architectures of the adaptive modulation are main research goal of this paper to meet the need of flat fading channel and selective fading channel

    自適應調制技術主要包括信號成形、通道估計和檢測、全數字接收等方面的問題，由於自適應調制所涉及的通道是非常惡劣的無線傳輸通道，其調制與解調的演算法和結構必須加以精心的設計和考慮，針對具體所假設的平衰落和選擇性衰落的無線通道情況來設計自適應調制系統的演算法和結構是本文研究的主要方向。
  15. Project 25 - trunking control channel formats - new technology standards project - digital radio technical standards

    項目25 .中繼控制通道格式.新技術標準項目.數字無線電技術標準
  16. Project 25 - trunking control channel messages - new technology standards project - digital radio technical standards

    項目25 .中繼控制通道消息.新技術標準項目.數字無線電技術標準
  17. Other sub - projects in the maglev communication system projects deal with the communication channel, including baseband signal encoding and decoding, transmitting and receiving the wireless signal and baseband signal processing the technique of synchronization is deeply request in the digital communications system

    本課題涉及車地通信系統中基帶的通道編解碼和無線通道的收發，完成通信系統中基帶信號處理部分的部分功能。在數字通信中，同步是一個重點。
  18. This thesis studies in adaptive equalization problems, and put the emphases in various adaptive equalizers, channel model, etc. finally, the performance of the presented blind equalizer which are used in digital microwave radio channel are compared and evaluated. the results are of great important in the development of more spectral efficient digital microwave radio - links. the focus is set on low - complexity adaptive equalizers for implementation in digital microwave radio systems

    本文圍繞著自適應均衡技術進行了深入的探討，重點研究了自適應均衡演算法、通道模型等問題，並針對幾種盲均衡演算法應用於數字微波無線通道的均衡性能進行了模擬和比較，其結果對于開發具有更高頻譜利用率的數字微波通信鏈路有著重要的指導意義。
  19. In this thesis, firstly, the main protocols and their functions, the application profiles of bluetooth technology are introduced. the hci protocol is analysized emphasesly ; secondly, the 4 - channel 10v analog to digital conversion ( a / d ) bluetooth adapter, 4 - channel 10v digital to analog conversion ( d / a ) bluetooth adapter, rs232 serial port bluetooth adapter are developed. the hardware and software of them are realized and test ; thirdly, the test tool software for bluetooth adapter is designed. the displaying and saving of data with vc + + 6. 0 multithread in pc is completed, then the wireless serial port communication between pc and micro - controller unit ( mcu ) is implemented, the data results of those adapters are acceeded ; finally, the bit - error - rate testing software of bluetooth communication system is designed, and the bit - error - rate test results of bluetooth adapter in labortary are acquired and illustrated also

    其次提出了硬體設計方案:四通道10v模擬/數字（ a / d ）藍牙適配器、四通道10v數字/模擬（ d / a ）藍牙適配器， rs232串口通信藍牙適配器。在此基礎上完成了硬體電路和軟體程序的設計和調試。再次，設計了藍牙適配器測試工具軟體，在pc機上用vc6 . 0 + +多線程編程完成對傳輸數據的保存與顯示，實現了pc機與單片機的串口無線通信，並給出了藍牙適配器測試結果。
  20. Fixed radio systems - point - to - point equipment - high capacity digital radio relay systems carrying stm - 4, 4 x stm - 1 or 2 x stm - 1 signals in bands with 55 56 mhz channel spacing

    固定無線電系統.點對點設備.頻帶為55 56mhz通道空間的載stm - 4 4xstm - 1或2x stm - 1信號的大容量數字無線電中繼系統
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