adaptive communications 中文意思是什麼
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It has many potential applications, including self - adaptive optics, optical computing and optical communications, image processing and real - time holography. in this thesis, we investigate the properties of the phase - conjugate wave produced by the self - pumped in cu : knsbn crystal and by the four - wave mixing in cr : sbn crystal
光折變晶體具有非常大的非線性光學系數，是一種理想的相位共軛材料，因而被廣泛地應用於自適應光學、光計算、光通訊、圖像處理、實時信息處理等許多方面。 -
Professor ching s research interests include adaptive digital signal processing, time delay estimation and target localization, wavelets, blind signal estimation and separation, automatic speech recognition for cantonese, speech modeling and speech synthesis, hands - free communications and advanced signal processing techniques for communications
程教授從事的研究包括信息技術、數字信號處理、語音分析合成、識別，以及陣列處理及通信等。他出版了一百六十多篇專文，先後于國際性期刊刊登及於國際會議中發表。 -
Adaptive equalization technology has been regarded as a potential candidate to combat isi for future wireless communications
在新一代無線通信系統中，自適應均衡技術，被認為是最有可能採用克服碼間干擾的方案。 -
Adaptive field frame selection for high compression coding. in spie conf. image and video communications and processing, jan. 2003, 5022 : 583 - 593
同時在某些區域，可以得到大於1db的編碼增益，大大提高了編碼圖像的主觀質量。 -
On adaptive array of mobile terminals for satellite communications
衛星移動終端自適應陣列技術研究 -
Adaptive equalizer is a key device in modern data communication systems. it is capable of increase data transmission rates in modern digital radio communications systems
自適應均衡器是現代數據通信系統中的一個關鍵設備，它可以最大限度地提高通信系統的數據傳輸速率。 -
Cognitive radio uses spectrum adaptive technology to realize dynamic spectrum allocation, as well as the spectrum testing, channel estimation and prediction, data transmission, and multi - antenna communications technologies
它通過頻譜自適應技術來實現動態頻譜分配，相關技術包括頻譜檢測技術，通道估計與預測技術、數據傳輸技術和多天線通信技術。 -
With the rapid development of the radio communications, adaptive equalization techniques become the study focus of many engineers
隨著無線通信的迅猛發展，自適應均衡技術的研究再次成為人們關注的研究課題。 -
With the development of dsp chip techniques and the introduction of some mature techniques, such as fft / ifft, the application of 64 / 128 / 256 qam in high - speed modem, tcm, adaptive channel equalization, the insertion of guard interval and so on, people are starting to focus on the application of ofdm in the field of mobile communications
隨著dsp晶元技術的發展，傅立葉變換反變換、高速modem採用的64 128 256qam技術、柵格編碼技術、軟判決技術、通道自適應技術、插入保護時段、減少均衡計算量等成熟技術的逐步引入，人們開始集中越來越多的精力開發ofdm技術在移動通信領域的應用。 -
Since some equipments used in the system are not always full duplex, we developed a novel link control protocol - dynamic sliding window protocol, which is adaptive to both of the half - duplex and full - duplex communications
針對短波通信系統中可能存在半雙工的通信設備，我們開發了半雙工與雙工通道均適用的差錯控制協議? ?動態滑動窗口協議。 -
On the other hand, recent advances in communication and modulation methodologice, as well as in adaptive digital signal processing and error detection and correction, have opened the way for the development of effective medium access control and physical layer protocols that support power line communications ( plc ) networks operating at speeds comparable to those obtained from specially wired and more recent wireless local area network in mid - 2001, an industrial standards organization called the homeplug powerline alliance, originally founded by 13 companies including cisco, motorola, intel, panasonic, and texas instruments, announced the completion of the homeplugl. o specification for a l. 0mb / s class in - home power line networking technology based on orthogonal frequency - division multiplexing ( ofdm )
但是，近年來通信和調制技術的發展，特別是自適應數字信號處理和錯誤檢測及糾正技術，使電力線通信技術出現新的mac層和物理層協議，其性能可以和一些專用有線網路以及最近十年流行的無線局域網技術想媲美。在2001年，一個由13個公司（包括cisco ， motorola ， intel ， panasonic ， andtexasinstruments ）組成的組成的標準組織? ? homeplugpowerline聯盟，頒布了完整的homeplug1 . 0規范，改規范使基於正交頻分復用技術，主要針對10mb s室內電力線網路技術。 -
The technology of digital beamforming ( dbf ) can dramatically increase array antenna performances. these performances include fast adaptive pattern nulling, ultra - low sidelobes, closely spaced multiple beams, adaptive space - time processing, high resolution direction fiding ( df ) and increased capacity for band - limited communications systems
數字波束形成（ dbf ）技術可顯著提高陣列天線的性能，這些性能包括：快速自適應波束置零、超低副瓣、密集多波束、自適應空時處理、高分辨測向和大容量有限帶寬通信等等。 -
The traditional static location area scheme used in the location updating procedure of mobile communications has many problems, such as lack of flexibility, ms oscillating between la borders, focused signaling load on border cells, etc. in this paper we present a new adaptive location updating scheme, which can solve the above problems, and can change easily to other la schemes. the scheme uses multi - level las, selected according to single ms s mobility and call characteristics, to make the best tradeoff between wireless signaling cost of location updating and paging
在移動通信的位置更新過程中，傳統的靜態位置區方案存在著缺乏變化的靈活性、邊界振蕩、信令負載過于集中問題，本文提出了一種新的自適應位置更新方案，採用不同級別的位置區，位置區的選擇根據移動臺當時的移動和呼叫情況，按照使位置更新和尋呼的無線信令總代價最小的原則確定.該方案可有效地解決靜態位置區的各種問題，並能方便地與其它位置區方案切換 -
Future mobile communications have to support the transmission of high rate data and multimedia applications in the radio spectrum, which is already extremely scarce. the basic idea of adaptive coded modulation is to maintain a constant throughput by varying the transmitted power level, symbol transmission rate, constellation size, coding rate or any combination of these parameters. thus, without sacrificing bit - error rate ( ber ), these schemes provide high average spectral efficiency by transmitting at high speeds under favorable channel conditions, and reducing throughput as the channel degrades
自適應編碼調制（ adaptivecodedmodulation ， acm ）的基本思想是在不犧牲系統傳輸性能（比如ber ）為代價的前提下，通過單獨改變發送功率、波特率、編碼方案、碼率、調制方式，或者是綜合改變前面所述的各種參數，在有利的通道條件下，獲得較大的吞吐量，當通道質量下將時，相應地降低傳輸速率，最終達到提高平均頻譜效率的目的。 -
Ieee wireless communications and networking conference wcnc 04, vol. 3, atlanta, march, 2004, pp. 1685 - 1690. 61 oliveira r, braun t. a dynamic adaptive acknowledgment strategy for tcp over multihop wireless networks
另外，發送端根據既往網路狀況計算出了擁塞窗口，可能對于當前網路狀況而言已經過時而不再適合，從而加劇了網路擁塞和不穩定。 -
Adaptive middleware. communications of the acm, june 2002, 45 : 31 - 32. 12 almeida j p a, wegdam m, van sinderen m, nieuwenhuis l. transparent dynamic reconfiguration for corba. symposium on distributed objects and applications doa 01. rome, italy, september 2001, pp. 197 - 207
Starbus是一個支撐internet應用需求遵從corba標準的中間件套件，它不僅可以為分散式應用提供實時容錯安全等服務質量保證，支持構建化軟體開發和應用的在線演化，並且通過與web service技術的結合實現了對基於internet企業應用集成的支持。 -
Adaptive interference suppression can improve further the anti - interference capacity of spectrum spreading ( ss ) systems, reduce the requirement of system processing gain, and thus is important to military communications system
自適應干擾抑制能進一步提高擴頻通信系統的抗干擾能力，降低對處理增益的要求，因而具有重要的軍事意義。 -
Based on adaptive transmission, in this paper, several key technologies are studied on the wide - band wireless digital communications. the basic idea is to decrease system spending, optimize the whole system performance, reduce computation complexity, shorten transmission delay, improve the real - time processing capability, and cut cost
本文基於自適應傳輸的思想，對寬帶無線數字通信中的關鍵技術進行了研究，力圖節省系統開銷，從整體上優化系統性能，降低計算復雜度，縮短傳輸時延提高系統的實時處理能力，節約成本。 -
As one of the key techniques of new generation mobile communication systems and broadband wireless communications systems, " adaptive transmission " technique can exploit potential channel transmission ability sufficiently so that it enables the systems to reach the maximum transmission capacity and reliability by dynamically adjusting transmission parameters according to channel estimation and traffic qos requirement
自適應傳輸技術是新一代移動通信和智能傳輸的核心技術之一。自適應調制是根據通道的實時狀態以及業務的不同特性動態調整傳輸參數，從而可以充分挖掘系統的傳輸潛力，提高頻譜利用率，以獲得最大的傳輸容量和最高的可靠性。 -
As charles darwin suggests, " it is not the strongest of the species who survive, nor the most intelligent, but those who are most adaptive to change. " given the fiercely competitive communications market that hongkong post now operate in, we will need to act biologically, that is, be open to new influences and ideas, be willing to embrace changes, and be creative in our business thinking
所謂「物競天擇，適者生存」達爾文的生物進化論，其實同樣適用於當前競爭劇烈的通信市場。香港郵政際此市場環境之下，便得一如自然界的生物，善於隨機應變。換言之，我們一定要能夠勇於接受新事物、新思維，樂于面對轉變，制訂具創意的業務策略。
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