時分通道 的英文怎麼說
中文拼音 [shífēntōngdào]
時分通道
英文
time derived channel- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 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) ...
- 時分 : 時分time:黃昏時分 at dusk; at twiligh; cock-shut time
- 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
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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When primary electrons hit the surface of the chunnel, secondary electrons are generated, which make the electron distribution at the exit hole of the chunnel more uniform
當初始電子碰撞絕緣壁時,會產生二次電子,而二次電子能改善電子在通道出口處的電子能量分佈的均勻性。The local network resoure management system is mainly engaged in the lacal network resoure management, at the same time and the network quality managerment as well, also including network line - pipe management, equipment management, configure management, topology management, attemper management and systimatic analysis, the main equipments include pdh, sdh, dwdn, idlc, pon, fwa, adsl, bits etc. by means of the main equipments " s resoure attemper and running state, we can finds out something abnornal in operation, from the whole point of local network, adjusting network is to be made to reach overal optimiztion. ensuring the network operating quality, realizing the the dispatching solution on the basis of network resource management and circuit closed - loop dispatching circulation
本地網網路資源管理系統是側重於本地網網路資源的管理,同時兼顧網路質量管理。重點網路管線管理、設備管理、配置管理、拓撲管理、調度管理以及統計分析,主要設備包括pdh 、 sdh 、 dwdn 、 idlc 、 pon 、 fwa 、 adsl 、 bits等。通過主要設備的資源配備和運行狀態,該系統發現處理運行異常,從本地網全局的角度調整網路達到整體優化,保證網路的運行質量,在網路資源管理的基礎上,實現調度方案的生成,以及電路通道的閉環調度流程。In humans, clostridium difficile causes diarrhoea in patients receiving antibiotic treatment the bacterium seizes the opportunity to infect provided by disruption to naturally - occurring bacteria of the bowel
在人體中,當病人接受抗生素治療時,艱難梭菌會引起腹瀉,這種細菌會利用這個時機通過分裂腸道中的正常細菌去感染。This scheme firstly determined the operating mode of coded video stream in nal layer according to the current channel state before they were packed. the coded video stream operated under ssm in error - free channel so as to reduce the packing tradeoff and increase the coding efficiency. while in error - prone channel, they operated under dpm combined with improved unequal error protection ( uep ) scheme based on human eyes characteristic in order to elevate their robustness to channel error
該方案中編碼視頻信息在進行打包封裝前,首先根據當前通道狀態信息自適應地確定其在nal層中的工作模式,在無丟包通道中採用單數據片模式以降低編碼視頻流的打包開銷,提高編碼效率;而在丟包通道中採用數據分區模式以提高編碼視頻流對通道誤碼的魯棒性能,同時基於人眼視覺特性,提出了一種改進的uep策略。During the calibration, a regress - analyse method is used to get the weight of the different channel based on equational coefficient, the weight represents the sensitivity of each channel
為了提高測量的可靠性和精確性,對9通道數據同時採集,在測試標定時採用回歸分析方法,根據靈敏度得到不同通道的權值。While she was waiting to be noticed, the door of the hall bedroom opened and from it issued two very mannish - looking women, very tightly dressed, and wearing white collars and cuffs
當她正在等待有人注意她時,直通過道的臥室的門開了,從裏面出來兩個很像男人的女人,穿著十分緊身的衣服,配有白衣領和白袖口。The channel capacity achieved in our experiments was better than that of the dual homodyne coherent state, homodyne coherent state and squeezed state communication when the average photon number exceed 0. 99, 1. 11 and 2. 06 respectively. it is more interesting that we found in the experiment, that the maximum channel capacity for a single mode - fock state communication can be surpassed with our system when the average photon number exceed 11. 302
我們實驗所得密集編碼的通道容量在光子數大於0 . 99 、 1 . 11及2 . 06時將分別超過相干態雙零差通訊通道容量、相干態零差通訊的通道容量以及壓縮態零差通訊的通道容量;最重要的是,當平均光子數(Intermodulation suppression for fh ( frequency hopping ) receiver is designed by selecting the intermediate frequencies and changing group of filters, local oscillation ( lo ) frequency, bandwidth of lo frequency under the condition that receiver configuration, sensitivity, dynamic range, instantaneous bandwidth and precision of frequency measurement are fixed
摘要針對跳頻接收機的體制和靈敏度、動態范圍、瞬時工作帶寬、測頻精度等設計參數,通過改變預選器組成、本振頻率和本振帶寬,分析接收通道的中頻選取原則,以實現跳頻接收機的互調抑制設計。The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed
主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均值曲線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。Time - division channel
時分通道Performance of ofdm - uwb system in time - varying channels
系統在時變通道中的性能分析Blind identification of time - varying channels based on wavelet decomposition
基於小波分解的時變通道盲辨識The principles, schemes and performances of mc - cdma are illustrated in this thesis. the model of time - varying multi - path is analyzed and realized
本文簡要介紹了mc - cdma的基本原理、系統結構和性能,分析並實現了多徑時變通道的數學模型。In this paper, the fundament, the system architecture and the application of orthogonal frequency division multiplexing ( ofdm ) were discussed, and the mathematic model of time - varying multi - path based on the discussion of mobile fading channel characteristic were analysed, and the channel model were discussed by computer simulation
本文首先簡要介紹了正交頻分復用( ofdm )的基本原理、系統組成以及ofdm的實際應用。在分析移動通道衰落特性的基礎上,分析了多徑時變通道的數學模型;並用計算機模擬的方法對通道模型進行了討論。And key technologies of mc - cdma, channel estimations and diversity combinations, are mainly studied for the application of mc - cdma. the channel estimation based on pilot carriers is analyzed, and an improved method with wiener filtering is presented. simulations of the method are carried in time - varying multi - path channel
本文分析了基於導頻的通道估計演算法,提出了採用維納濾波平滑的改進估計演算法,並在多徑時變通道下進行了計算機模擬,對系統各參數分別對通道估計誤差和誤碼率性能的影響做了詳細分析和比較,從而證明了演算法和改進的有效性。It inherits the anti - multipath fading ability of ofdm technology as well as the high user capacity of cdma. however, the ofdm - cdma system is vulnerable to channel estimation errors in fast varying channels
但是在快速時變通道中,正交頻分復用碼分多址系統對于通道估計誤差很敏感。The temporary signalised crossing is equipped with safety and lighting facilities. part of the passage is covered for the convenience of pedestrians
臨時過路處設有燈號控制、適當安全設施及照明,部分通道亦設有遮蓋的地方,方便行人。Analysis and simulation results show that this algorithm has much lower complexity and is able to track the fast time varying channels in time. with such two advantages, this algorithm can efficiently adopt wireless fast varying channels and successfully achieve the fast channel estimation for ofdm - cdma systems
分析和模擬表明,該演算法計算復雜度低並能及時跟蹤快速時變通道,並由於這兩個主要特點使該演算法可以有效適應無線快速時變通道,順利完成系統的快速通道估計工作。The algorithm is built on the base of color image sub - way segmentation method. according to the hue and saturation, it can segment color image based on a histogram - based bi - threshold iterative. meanwhile, it captures some feature points to measure illumination variant, real - time update segmentation threshold
本演算法採用彩色圖像的分通道分割原理,以色度和色調為特徵量進行基於直方圖的雙閾值自動迭代分割,同時利用背景特徵點監測環境光照變化,自適應更新分割閾值。分享友人