超通道 的英文怎麼說
中文拼音 [chāotōngdào]
超通道
英文
ultra channel-
And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results
接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。Severe plastic deformation ( spd ) processing, especially equal - channel angular processing ( ecap ) of steel and other iron - based alloys, has achieved increasing interest recently because of the potential for obtaining ultrafine grains and improving the properties
近年來，強烈塑性變形特別是鋼和鐵基合金的等徑彎曲通道變形因為具有獲得超細晶組織和改善性能的潛力，引起了各國研究人員的很大興趣。In performing ecap, a material is subjected to intense plastic straining by pressing a sample repeatedly through a die containing two channels, with equal cross - sections, intersecting at an angle. equal channel angular processing of the medium carbon steel ( 0. 45 wt. %
Ecap變形是使試樣通過橫截面相等並成一定交角的兩通道的模具中而產生強烈的塑性變形的一種變形方法。最近人們運用ecap變形方法成功地使低碳鋼及珠光體鋼組織超細化，關于這方面的研究已引起了人們的廣泛關注。Key recommendations and suggestions include blaze - proof lifts, sky bridges linking high - rise buildings and curbs on mobile phones during evacuations. " it would add tragedy to tragedy if we did not learn from 9 11, " said the study ' s leader, professor ed galea of the university of greenwich. galea and his team analysed the written accounts of 250 survivors of 11 september, 2001, and found they show a startling variation in human behaviour
據英國觀察家報10月30日報道，英國格林威治大學教授加利亞領導的一個研究小組在研究了250名「 9 11 」倖存者的書面報告之後認為，未來超高層建築的設計應該增設防火電梯拓寬逃生通道建設跨樓天橋，以便發生危機情況時有利於人員疏散，樓內人員則應該盡快逃生，而不是把時間耽誤在用手機向親戚朋友報信上。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（" there will be not any supermarkets or newsstands along the newly - built channels
新建的通道兩邊不再設置超市和書報亭。 」Finally, with the optimized chaos sequences, the results of software simulation on vhf - rc indicates that ds - ss outbalances the bpsk system without spread spectrum due to ber and the ds - ss with kent sequence is better than the one with golden sequence in some extend
最後本文對數字混沌序列進行了優選，在超短波中繼通道模型上的模擬結果表明混沌直擴通信相比于非擴頻的bpsk通信在誤碼率方面明顯較低；相對于線性擴頻碼（ gold序列） ，同樣誤碼率較低。Under the upper pressures belt or minute super pressures of the upper triassic series and jurassic system interface formation, the fluid in the upper triassic series moved along stratum interface, fault and crack network thoroughfare, formed " secondary gas pool " in the jurassic system
上三疊統和侏羅系界面形成的超壓帶或微超壓帶，使上三疊統氣藏流體在壓力差的作用下，沿斷層、地層界面和裂縫網路通道運移，在良好的侏羅系圈閉中形成「次生氣藏」 。Ion channel protein superfamily
離子通道蛋白質的超家族Qianjiang serve as the economic center of chongqing ' s southeast district, the sub - transport junction of chongqing ' s southeast district under chongqing main - transport junction. lt is cry for carry through building and programming of framework big alleyway, let qianjiang main city be provided with optimal location and the most convenient traffic condition, building qianjiang as the " jacket collar sheep " of chongqing ' s, southeast district economy, it is accord with the integer benefit of chongqing ' s southeast district, tactic orientation of chongqing ' s southeast district economic development and request to qiangjiang development which town clerk, townhall institute
黔江作為渝東南地區的經濟中心、重慶主樞紐下渝東南的次級樞紐，迫切需要進行骨架大通道的布局規劃和超前建設，使黔江主城在渝東南地區具有最佳的區位和最便捷的交通條件，把黔江建設成為渝東南經濟的「領頭羊」 ，符合渝東南發展的整體利益、符合市委、市政府對渝東南區域經濟發展的戰略定位和對黔江發展的要求。The main research works of this dissertation are aimed to design of radar waveform and the application of wavelets in ultra - wide radar, including : the design of a new kind of hybrid radar and the research of time side - lobe suppression for pulse compression, the design of receiver r adio front end in data acquisition of ultra - wide band radar, the time delay estimation based on wavelets ( packet ) analysis
本文主要進行雷達波形設計研究以及研究小波理論在超寬帶雷達中的應用，集中體現在以下幾個方面：一類新的組合雷達波形設計及壓縮脈沖時間旁瓣抑制技術研究、超寬帶雷達多通道數據採集方法中前端射頻接收部分的設計及研製、基於小波（包）方法的時延估計方法。Toyota lost jarno trulli on the first lap after his collision with david coulthard, but ralf schumacher ' s third place was a timely fillip and was all the more creditable given the drive - through penalty he received for speeding in the pit lane
豐田在第一圈的時候失去了雅諾-特魯利，因為他撞上了大衛-庫塔，但拉爾夫-舒馬赫的第三名是一個適時的彌補，最不可思議的是他還因為在維修通道超速受到了通過維修區的處罰。The super - exponential iteration ( sei ) blind equalization algorithm has the advantage of good tracking capability of the time varying channel
超指數盲均衡演算法的迭代演算法收斂速度快，且便於跟蹤時變通道。Tricepstrum equalization algorithm ( btea ) and super - exponential ( se ) algorithm based on block data estimation is studied, and these algorithms use hos explicitly. their performance, such as estimation variance and bias, is analyzed. a kind of sparse cross cumulant and sparse equalizer is proposed to simplify the se algorithm, and the simulating results show efficient reduction in complication
?研究了幾種直接使用高階統計量的演算法，包括基於數據段估計的倒三譜演算法和超指數演算法，分析了演算法的估計方差和偏差等性能；由於超指數演算法計算量較大，不利於實時均衡，利用水聲通道的稀疏性，提出了一種基於稀疏互四階累積量和稀疏權的演算法，有效降低了超指數演算法的計算量。The ultra amusing ultra q remote control sweeps clear the vehicle, 1 to 8 proportions, 8 channels entire directions remote control, when advance backlash on the automobile body work lantern festival glitters, is concurrent music, the careful design remote control conforms to the kinesiology, the unique double throwout lever remote control way, on about remote control two throwout levers each control two powers wheels, slightly cause the vehicle the radius of turn to be more nimble, and marches forward when the vehicle simultaneously opens sweeps the plate to sweep clear and to turn fights controls remotely into the reality, sweeps the plate starts when also can send out delightful music, sweeps the plate also to be able control during rotation rocks, behind in the automobile body work theater box puts has continuously may skid and may open the cover the trash can, the trash can also may take out, turns fights may independently control remotely, the handling room vehicle door may start, the remote control is away from in the city surpasses 30 meters, the spacious area may achieve above 50 meters, holds controls nimbly is convenient, the luminous automobile body paint surface, works first - class, the use industry packs the ni - cd battery to take the power supply, may repeatedly charge 300 above time
超好玩超q的遙控清掃車， 1比8比例， 8通道全方向遙控，前進後退時車身上的工作燈會閃爍，並發出音樂聲，精心設計的遙控器符合人體工學，獨特的雙推桿遙控方式，遙控器上的兩個推桿各控制左右兩個動力輪，使得車的轉彎半徑更小更靈活，並且在車行進時同時開啟掃盤清掃和翻斗遙控成為現實，掃盤啟動時也會發出悅耳的音樂聲，掃盤在轉動的同時還會左右晃動，車身後部的工作廂內放有一直可滑動並可開啟蓋子的垃圾桶，垃圾桶還可以取出，翻斗可以獨立遙控，操作室車門可開，遙控距離在城市中超過30米，空曠地區更可達到50米以上，操控靈活方便，光亮的車身漆面，做工一流，使用工業包裝ni - cd電池組作為動力源，可反復充電300次以上。In depth channels, but not stencil channels, the driver is allowed to consume more than the indicated number of bits per depth channel
在深度通道但不是模具通道中，允許驅動程序對每個深度通道使用的位數超過指定的位數。As concerning to the interference condition between different transmit / receive channels in the system, a detailed error analysis is given, and the clock and synchronization scheme is explicated. the measure adopted to enhance phase clock ' s precision is explained
本文對超聲相控陣系統中各通道發射/接收的相干條件進行了詳細的誤差分析，闡明了本系統採用的時鐘和同步方案，以及改進相控陣時鐘精度的方法。The multicenter superwide view reappearance system is a special display system which is superwide in proportion and it makes the use of a set of single channels and put them together in landscape orientation
多通道超寬視景再現系統是使用一組單通道的顯示系統橫向拼接起來的超寬比例的特殊顯示系統。When more than 10 6 ( 3, 2 ) parity check codes are used to estimate the snr of awgn channel and rayleigh fading channel, the estimation error is less than 1 %
在bpsk信號通過awgn通道和單徑瑞利通道下使用（ 3 ， 2 ）碼估計，當統計的碼字數達到106以上時，估計誤差不會超過1 % 。Previously, applicants would have to travel long distances and wait for several days in order to submit their visa application and then obtain the result
此舉是為留英的中國學生辦理英國簽證提供一個便捷的通道。與去年同時期相比，今年中國學生赴英留學人數的增長超過了分享友人