高容量通信 的英文怎麼說
中文拼音 [gāoróngliángtōngxìn]
高容量通信
英文
large-capacity communication-
As a combination of ofdm with space - time coding technique, mimo - ofdm becomes more and more important in the future wireless communication systems, the mimo - ofdm system can not only effectively enhance the transmission rate and capacity of the wireless communication system but also greatly mitigate the effections of mufti - path fading and interfere
Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起,能夠大幅度的提高無線通信系統的通道容量和傳輸效率,並能有效的抵抗多徑衰落、抑制干擾和噪聲。It verifies the accuracy of the circuit through the experiment with the experimental oscillogram. we discusses the knowledge of technology of high sensitivity and raise the experiment plan and the practice data which has important means to the c02 communication system of large capacity
本文對高靈敏度信號檢測技術進行了深入的研究,提出了具體實驗方案、給出實測數據,這對大容量co2大氣激光通信系統的進一步工程化、實用化具有一定的指導意義。Furthermore, the network technique only support the voice service cannot meet the communication requirements of people. people hope to obtain multimedia service such as packet data, video and picture phone etc besides voice service. all these need operators and researchers to look after the mobile communication scheme which optimizes spectrum efficiency and expands system capacity to accommodate more users in major metropolitan markets
此外,僅支持語音業務的網路技術已不能滿足人們對信息交流的需求,人們希望能隨時隨地獲取除語音之外的數據、視頻和圖像等多媒體業務,這些因素都促使運營商和研究者尋求頻譜利用率更高、通信容量更大的移動通信解決方案。The amazing character of the quantum capacity of gaussian channel is that planck constant h takes over the place of input power restriction of classical capacity
高斯通道量子容量的迷人特徵是普朗克常數h取代了經典容量中輸入信號功率限制條件的位置。The application of the software hardware advanced techniques, such as an algorithm for continuously outputting high - rate gps position data, voice data trucking system ( vdt ), a new gps ( avl ) system framework, an up - to - date mutual communication method and so on, enlarges the system capacity and the covering area, realizes the voice data transmitting in the present mobile communication channel, meets the need of kinetic positioning. in a word, it enhances the capability of management and decision
系統中gps定位數據的高速率連續輸出演算法、話音數據集群( vdt ) 、新的gps車輛系統結構和全新的通信交互手段等先進技術的採用,人人提高了系統的容量和覆蓋面積,實現了在現有移動通信通道上數話兼容、高動態定位的需求,使科學管理和決策水平得到很大提高。China unicom in our country is the first and also only the telecommunication operator that provide the cdma network service uniquely, aim at the customer to put forward the higher request with comprehensive business ability continuously under circumstance towards the scale, capacity, the service grade that move the network currently, how constuct the more reasonable network of cdma and how the technique advantage of the exploitation cdma network provides more datas to increase in value the service, to draw on more customers to join the cdma network the camp become a company of china unicom develops from now on of core problem
中國聯通公司作為我國第一個也是目前唯一的提供cdma網路服務的電信營運商,針對目前用戶對移動網路的規模、容量、服務等級和綜合業務能力不斷提出較高要求的情況下,如何建設更為合理的cdma網路以及如何利用cdma網路的技術優勢提供更多的數據增值服務,以吸引更多的用戶加入cdma網路陣營成為聯通公司今後發展的核心問題。A common data acquisition card can be used on laboratory virtual instrument engineering workbench through designing the external interface between labview and common date acquisition card on the software design ; used the idea of the double buffer and direct memory access, a real time data acquisition and logging about the succession, big capacitance leakage current is realized ; a digital filter is designed to filter high frequency signals
在軟體設計上,設計了與普通數據採集卡的介面,實現了在labview環境中應用普通數據採集卡的功能;運用雙緩沖和內存直接映射的設計方法實現對連續、大容量泄漏電流信號的實時採集和存儲;設計了數字濾波器對採集后的原始數據濾去高頻干擾。Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影( dsa )成像系統的組成結構和數據流向進行了深入研究和分析,並對系統中的數據流向進行了完整的歸納和總結,給出了x線數字成像系統中的高速大容量數據通道的設計方案;在對sdram的控制方式做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總線介面的深入研究,優化後端狀態機設計和低層驅動程序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字系統設計方法,針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案,從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。With the development of communication technology, nonlinear optical loop mirrors ( nolm ) are widely used in high - speed fiber optical communication systems due to their special advantages
隨著光通信技術的不斷發展,光纖環形鏡以其特有的優點已經在當今高碼率、大容量光纖系統中得到廣泛應用。For wireless communications, direct sequence code division multiple access ( ds - cdma ) techniques have received a great deal of attention due to the expectation of capacity increase, interference rejection capability, security, and so on. in a high data rate application such as multimedia services, however, the capacity of ds - cdma systems is limited by both the inter - chip, or inter - symbol interference
Cdma技術以其高抗干擾能力、高容量、高保密性等技術優勢在第三代移動通信系統中被廣泛應用,然而在高速數據業務中,嚴重的碼間干擾和符號間干擾會導致系統性能明顯下降。The long - range objection of china telecom is to strengthen network configuration, optimize network structure, upgrade service quality, lower overall network cost and promote integrated communication ability in order to build a top - grade network that will be in advanced technology, large covering area, huge capacity, high transmission rate, safety, multi - capability, easy manipulation, which is also adaptable to provide new services
中國電信的網路發展的長期目標是:以完善網路布局、優化網路結構、提高網路質量、降低網路綜合運營成本和提高綜合通信能力為重點,去構建技術先進、覆蓋廣、容量大、速率高、安全可靠、功能齊全、易於管理、適應各種新業務發展需要的電信優質網路。In the short distance communication, with the advantageous qualities of low power consumption, high speed rate, high - capacity and multi - address access etc., the ultra - wideband communication arouses the people ' s widespread interest
在短距離通信中,超寬帶通信以低功耗、高速率、高容量、多址接入等優點引起人們廣泛的關注。The interference problem directly influence the capacity and service quality, so how to eliminate interference is the main factor to improve the performance of mobile communication system
第四章,干擾問題直接影響了tddcdma系統的容量和服務質量,如何消除干擾成為提高移動通信系統性能時考慮的主要因素。With the development of software radio, the signal can be digitized at rf or if, then be received using digital beamforming in baseband, which can extremely improve the capacity and enhance anti - jamming capability of wireless communication
隨著軟體無線電技術的發展,採用全數字處理,在基帶通過對接收和發送信號的波束賦形,可以極大提高無線通信系統的容量和抗干擾能力。Recently, mpeg - 4 has become a very promising technology for video compression, which could enhance the system ' s quality and capacity
近年來, mpeg ? 4已成為視頻壓縮技術領域中的一個熱點,該技術的應用可以提高圖像通信系統的質量和容量。Smart antenna provides an efficient approach to solve frequency resource deficiency, improve the capacity and quality of mobile communication systems, and achieve anti - jamming and antimultipath
智能天線技術為解決頻率資源不足、提高移動通信系統容量和系統服務質量、抗干擾和抗多徑提供了有效的解決途徑。Therefore, all - optical network effectively overcomes the electronic bottleneck introduced by complicated digital cross connection equipments, accomplishes fast bit rate, great capacity and good service quality communication, and possesses the transparency for bit rate, data format and modulation means of signal
因此,全光網路有效地克服了復雜的電數字交叉互連設備的「電子瓶頸」 ,實現高速率、大容量、高質量通信,並且對信號速率、數據格式和調制方式透明。Large - capacity communication
高容量通信Space - time processing technique combines time domain signal processing and spatial signal processing. it can utilize fully the space - time channel characteristic, repair limits of the time domain signal processing and spatial signal processing, and enhance the system capability, overlay area and transmission rate
空時處理技術聯合時域和空域信號處理技術,充分利用無線通道的空時結構特徵,彌補了時域信號處理和空域信號處理二者的局限,能夠提高無線通信系統的容量、覆蓋范圍和傳輸速率。As a combination of ofdm with space - time coding technique, mimo - ofdm has recently received considerable attentions, which can not only effectively enhance the transmission rate and capacity of the wireless communication system but also effectively combat multi - path fading and interfere
Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起,能夠大幅度的提高無線通信系統的通道容量和傳輸速率,並能有效的抵抗多徑衰落、抑制干擾和噪聲,從而引起了通信界的廣泛關注。分享友人