高通道 的英文怎麼說
中文拼音 [gāotōngdào]
高通道
英文
high channel-
The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar
電離層是隨機時變，各向異性，非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量，必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing
文摘:應用計算機模擬的方法，在不考慮燃燒的冷態情況下，研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上，比較了2種不同設計方案的氣流流動特徵，尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明，阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用，同時也增加了空氣管道的阻力損失，在同樣的工況條件下需要提高管道系統的總壓力Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路，對光弱信號進行調制和線性化處理，運用比色法原理對溫度進行檢測.為了便於儀器擴展，增加了模擬量輸出和數字介面，並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹Since the reform and open in china, however, there are many hidden - troubles of transportation though the urbanization level has been improved greatly. for instance, the city has been constructing more high - ways, but the increase of vehicles is much more than mileage, so that the traffic is aswarm and crowded, the living quality of citizens is depressed and the urban economy is blocked
而我國自建國后，尤其是改革開放以來，盡管城市化水平有了很大提高，但同時也暴露出了很多交通方面的問題和隱患，例如，城市內高等級道路增長很快，但由於車輛的增長遠遠高於道路里程的增長，從而造成交通擁擠、堵塞，城市居民生活質量下降，甚至會阻礙城市經濟的進一步發展。Atp - sensitive potassium channels and hypoxic pulmonary hypertension
敏感性鉀通道與低氧性肺動脈高壓Of all kinds village does an enterprise to should be mixed in civilian curtilage in the center ; ( should stay between 2 ) building have appropriate fire prevention span and fire prevention channel ; ( 3 ) abuts type farming curtilage every between due firewall ; ( when 4 ) builds bridal chamber house, should raise architectural fireproof grade, use the blame combustion housing materials such as ferroconcrete, brick, tile ; when decorating, reduce use bamboo, wood to wait as far as possible can burn material
各類村辦企業應混在民宅當中； （ 2 ）房屋之間應留有合適的防火間距和防火通道； （ 3 ）毗連式農宅每戶之間應有防火墻； （ 4 ）建造新房屋時，應提高建築的耐火等級，採用鋼筋混凝土、磚、瓦等非燃燒建築材料；裝修時，盡量減少使用竹、木等可燃材料。In this dissertation, we mainly study the efficient architecture of channelized digital receiver, discuss the particular realization approaches, then testify them with simulation
本文主要研究了通道化數字接收機的高效結構，討論了具體實現方案並進行了模擬驗證。Based on upper study deeply the efficient digital channelized architectures based dft polyphase filter banks to deduce and establish several kinds channelized digital receiver mathematic models for real signal
在此基礎上深入研究了基於多相dft濾波器組的數字通道化高效結構，推導並建立了實信號通道化數字接收機的多種數學模型。Providing a conduit between the covent garden and leicester square stations, the only traffic these tracks see are of dark origins
這條線路為高雲花園和萊斯特廣場站點提供了個通道，而這些軌道所見證的僅僅是黑暗的源泉。Improving the signal quality of a voice - grade data line to improve the speed or accuracy
改善聲音通道數據線的信號質量以提高速度或精度。Fire resistance tests for service installations - raised access and hollow core floors
輔助設施的防火試驗.架高通道和空心地板As an planar waveguide component, it has many advantages, such as its small size, lower cost per port, the relatively low insertion losses, potential for volumn production and integration with active elements
作為一種平板光波導型波分復用器， awg具有很多優點：體積小，可批量生產；高通道數，大小可壓縮；較低的插入損耗；單個通道的成本低；還可以與其它功能整合。Utilizing entanglement, we can implement the disembodied transport of an unknown quantum state from one place to another remote place with high - fidelity, i. e. quantum teleportation. via entanglement, we can also improve the channel capacity of classical signal in quantum channel, i. e. quantum dense coding, even we can entangle two quantum systems that have never directly interacted with each other by means of entanglement swapping
利用量子糾纏，通訊雙方可以實現對一個量子態的高保真度遠程傳輸，即量子離物傳態；利用量子糾纏，通訊雙方可以實現經典信息的高通道容量傳輸，即量子密集編碼；甚至可以使原本不糾纏的量子系統產生糾纏，即糾纏交換。Frequency - domain equalization. at the same time discusses some key problems in ofdm : high ratio of peak - to - average power of output signals, problem of synchronization, channel estimation, adaptive bit, power and subcarrier allocation. emphasize on channel estimation, and present a new algorithm which can filtering more interpolation errors and noise. for the sake of improve the performance of resist narrowband noise and make efficient use of the spectrum apply malvar wavelet division
同時就ofdm系統中的一些關鍵問題如峰值平均功率比（ papr ）太高，同步問題，通道估計，通道、比特與功率必須動態分配進行了研究，著重研究了通道估計問題並提出一種改進的方法，能濾除更多的噪聲分量和插值誤差，提高系統的性能；為了提高抗窄帶噪聲的性能和提高通道利用率，用malvar小波變換實現了不等帶寬分配。This paper introduces a bispectrum - based channel estimation algorithm to improve the accuracy of the channel estimation at pilots and proposes an equalization method with the view of the reduction of the interpolation error
為了提高通道估計的精度，本文分別從提高導頻處通道估計精度和減小插值誤差的角度出發提出了基於導頻雙譜的通道估計演算法和基於變換域濾波的插值方法。Simulation is operated with ns2 under linux, and the simulation results show that, the presented algorithm is simpler and more practical, while it can improve the fairness index of ad hoc network to a large extent compared with the ieee802. 11 binary exponential backoff ( beb ) algorithm. it can make better use of the wireless channel by dynamically adjusting its backoff timer according to the network ' s contest situation. in addition, service differentiation can be achieved among flows with different qos requirements and thus the qos for medium access control in ad hoc network is improved
通過在linux系統下利用networksimulator （ ns2 ）模擬工具對演算法進行計算機模擬分析，結果表明，與ieee802 . 11標準採用的二進制指數退避（ beb ）演算法相比，該文所提演算法更簡單、高效，它能在很大程度上提高adhoc網路通道接入的公平性，並能動態地提供服務區分，保障對多媒體等多種實時業務的傳輸需求，同時，演算法可以根據網路當前具體的競爭激烈情況，動態調整退避時間值，從而提高通道的利用率。Because many image information data need to be transmitted and preserved, it is difficult to meet the requests for image information data to be transmitted and preserved by depending only on increasing the width of signal band and the processing speed of computers, we need to use image compression techniques to help to satisfy the requests
大量的圖像信息需要存儲和傳輸，僅依靠提高通道帶寬和計算機的處理速度，不能滿足人們對圖像信息存儲和傳輸的需要，這就需要結合圖像的壓縮編碼技術來滿足人們的要求。當前圖像壓縮技術在生物醫學應用、無線通信、計算機圖形圖像處理等許多方面有著廣泛的應用。In order to further improve the performance, we propose two new kinds of codes, which are ldpc / turbo code, simply denoted by “ l / t ” code, and the product code with generator - based systematic irregular ldpc codes as its component codes in rows and columns. the factors that can impact the performance of the coded systems are investigated and concluded through the simulations
為了進一步提高通道編碼的性能，本文又提出了兩種新的編碼方法，即l / t碼（組合ldpc和turbo編碼）和基於生成矩陣非正規ldpc碼的乘積碼，並在awgn通道下對其性能分別進行了模擬，總結出碼長，迭代次數等不同因素對譯碼性能的影響。This paper analyzed p - persistent csma / cd protocol and proposed a new adaptive algorithm for the adjustment of the coefficient p by real - time channel traffic sensing based on the feedback control theory, i. e., changing the value of p dynamically through the analysis of networks " flow to control the behavior of the stations sending data frames in the same collision domain, to keep the media channel in an optimal state and to enhance the channel transmission efficiency
該演算法基於對網路流量的分析，在osi物理層通過通道信息量的在線實時檢測，根據反饋控制的原理，在數據鏈路層動態地調整控制輸入參數p ，從而控制站點發送分組數據幀的行為，使通道處于最佳的傳輸狀態，提高通道的效率。However, high - speed data transmission system suffers from time - variant multi - path fading and inter - symbol interference ( isi ). as a solution, adaptive equalization can effectively combat isi by compensationg for channel distortation
隨著數據率的提高，通道呈現出頻率選擇性，信號的一些頻率成分將產生深度衰落，產生碼間干擾（ isi ） ，影響系統的性能。分享友人