band speed 中文意思是什麼

band speed 解釋
帶速度
  • band : n 1 帶,繩;帶形物;箍;箍條;嵌條;鑲邊;鋸條; 〈pl 〉 (法官等的)寬領帶。2 束縛,羈絆;義務;...
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  1. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比,半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱,啟動時間短;信號頻帶寬,漂移噪聲低;能承受大的機動過載;抗核輻射,並可經受短時間電源中斷的影響;體積小,重量輕,功耗低,壽命長,非常適合空間應用。
  2. Continental designed style internet tie - in and high speed broad band online service private safe mini - bar big bathtub in bathroom special dressing mirror and hairdryer for ladies kingsized bed

    歐式設計風格房間內設網際網路介面並提供無線高速上網服務私人保險箱迷你酒吧洗手間設寬大的浴缸女士專用化妝鏡及吹風機大型舒適床
  3. Shf communication technologies ag deals among other things in test equipments, variable - speed propulsions as well as in amplifiers, wide band, top hat rails and also in connectors

    Shf communication technologies ag是一家可靠的、知名的生產商和服務商,該公司提供很多令人震驚的產品,例如試驗器材,調整傳動裝置。
  4. This article puts forward a solution named divide - assemble by deducing the size of bp neural network to overcome entering the local best point, the dividing process is that a big bp neural network is divided into several small bp neural networks, every small bp neural network can study alone, after all small bp neural networks finish their study, we can assemble all these small bp neural networks into the quondam big bp neural networks ; on the basis of divide - assemble solution, this article discusses the preprocessing of input species and how to deduce the size of bp neural network further to make it easy to overcome entering the local best point ; for the study of every small bp neural network, this article adopts a solution named gdr - ga algorithm, which includes two algorithms. gdr ? a algorithm makes the merits of the two algorithms makeup each other to increase searching speed. finally, this article discusses the processing of atm band - width distribution dynamically

    本文從bp網的結構出發,以減小bp神經網路的規模為手段來克服陷入局部極小點,提出了bp神經網路的拆分組裝方法,即將一個大的bp網有機地拆分為幾個小的子bp網,每個子網的權值單獨訓練,訓練好以後,再將每個子網的單元和權值有機地組裝成原先的bp網,從理論和實驗上證明了該方法在解決局部極小值這一問題時是有效的;在拆分組裝方法基礎上,本文詳細闡述了輸入樣本的預處理過程,更進一步地減小了bp網路的規模,使子網的學習更加容易了;對于子網的學習,本文採用了最速梯度? ?遺傳混合演算法(即gdr ? ? ga演算法) ,使gdr演算法和ga演算法的優點互為補充,提高了收斂速度;最後本文闡述了用以上方法進行atm帶寬動態分配的過程。
  5. Duo to the intrinsic characteristics of the gaas material, serai - insulating ( si ) gaas photoconductive semiconductor switches ( pcss " s ) have more obvious advantages in the performance of both high power and ultra - fast switching than those pcss " s made of other materials and then can be widely used in ultrahigh speed electronics, field of high power microwave generation and pulse forming ( pulse sources of high power ultra - fast electromagnetism, ultra - wide - band microwave generator )

    半絕緣gaas光電導開關( photoconductivesemiconductorswitches簡稱pcss ' s )具有兼備寬頻帶和高功率容量特性,使其在超高速電子學和大功率脈沖產生與整形技術領域(大功率亞納秒脈沖源、超寬帶射頻發生器等)具有廣泛應用前景。
  6. Due to the hardware characteristic ' s limitation, such as the poor speed of a / d, d / a conversion and dsp process, the most part of sr system adopt middle course. that is to say, by using the special digital converter or running relevant arithmetic, it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "

    由於受到硬體性能如a d 、 d a及dsp晶元處理速度的限制,目前的軟體無線電系統多採用折中的實現方案,增加專用的數字變頻器或者運行數字變頻演算法,將射頻信號變頻到中頻,然後再進行基帶信號處理,這樣的軟體無線電系統又被稱之為「軟體定義無線電」 ,它並不是真正意義上的軟體無線電。
  7. ( 4 ) a high - speed communication module for ert was introduced in this system. the advantages of this communication module are rs422 / rs232 compatibility, high band rate of 921. 6kbps, noise - immunity and low cost. the module was successfully used in electrical resistance tomography

    目前國內有文章報導的最高數據採集速度為50幅/秒( 3 )引入了一個適用於電阻層析成像系統的通用高速通訊模塊,該模塊支持rs422和rs232雙協議,最高波特率達到921 . 6kbps ,具有通訊波特率高、抗干擾性能好以及成本低廉等優點。
  8. The delay chip, whose delay precision can be 10ps, wide band sample - hold amplifier ( sha ), and high speed and precise analog / digital conversion ( adc ) are used in the system

    能夠對5mhz以下的信號進行隨機采樣、波形顯示、頻譜分析,還能夠對採集的波形數據進行存儲、共享。
  9. The architectures of the receiver are rf pass band direct sampling and if pass - band sampling with high - speed analog to digital converter after rf to if conversion. the first kind of architectures is hard to realize because of the requisition of devices is too high

    軟體無線電接收機分為射頻直接帶通采樣和將射頻信號變換到中頻后再進行帶通采樣,前者實現較難,對器件的要求太高,然後進行各種數字處理。
  10. To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed

    對于基於積分梳狀( cic )濾波器和半帶( hb )濾波器的多級系統設計的抽取濾波器組,分析了濾波器設計中所涉及的各個參數,將剪除理論應用於多級積分梳狀( cic )濾波器的設計中,並且採用分散式演算法( da )來設計半帶( hb )濾波器,並對模擬結果進行比較,這些先進演算法的應用,進一步提高了硬體效率和運行速度。
  11. With the inosculation and development of modern communication, multimedia and high speed connected network techniques, brings the broad - band revolution

    隨著現代通信、多媒體和高速網路互聯技術的融合與發展,引發了寬帶革命的到來。
  12. Analysis of capture band of testing - table speed - rate system

    轉臺速率系統捕捉帶的分析
  13. Parallel structure of poly - phase decomposition and parallel mixer is applied in the ddc circuit, it solves the bottleneck in mixing and increases the handle speed. the partition of the tuning channel according to the digital mixing sequence, and the ddc by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal. according to the structure of the ddc and the requirement of the frequency

    短數據快速測頻演算法的具體實現:使用并行流水線的設計方法,提高了系統的數據吞吐率,在100mhz的系統時鐘下,能夠實時處理400mhz ~ 600mhz速率a / d采樣的數據,在64點采樣, 100mhz系統時鐘情況下,初次測頻佔用時間640ns ,以後每次測頻佔用時間縮短到160ns ,實時地提供多相濾波下變頻所需的載頻位置信息,縮短了接收機的調諧時間。
  14. Wavelet analysis is used to translate noise signal of the engine into time - frequency domain. selecting appropriate frequency band to pick up and making its envelope spectrum, then two feature frequency - 0. 5x speed frequency and 2x speed frequency that represent the abrasion condition can be found. in addition, a new diagnosis method of image processing technique is proposed

    利用小波分析將測得的機體噪聲信號變換到時頻域,選擇合適的頻帶加以提取並進行包絡譜分析提取包含特徵頻率的包絡,通過分析提取后的0 . 5倍頻和2倍頻分量,發現兩個特徵頻率可準確反映主軸承的磨損狀況。
  15. Mac 5ghz supplement to standard for information technology - telecommunications and information exchange between systems - local and metropolitan area networks - specific requirements - part 11 : wireless lan medium access control and physical layer specifications : high speed physical layer in the 5 ghz band

    信息技術補充標準.系統間電信和信息交換.局域網和城域網.特殊要求.第11部分:無線lan媒體訪問控制
  16. Mac : 2. 4ghz supplement to standard for information technology - telecommunications and information exchange between systems - local and metropolitan area networks - specific requirements - part 11 : wireless lan medium access control and physical layer specifications : higher speed physical layer extension in the 2. 4 ghz band

    信息技術補充標準.系統間電信和信息交換.局域網和城域網.特殊要求.第11部分:無線局域網媒體存取控制
  17. After that, it discusses the principle of the band - pass technology, illuminating the feasibility of the digital intermediate frequency system based on the sampling speed which is two times lager than the signal band but unsatisfying the nyquist theorem

    隨后討論了帶通采樣技術的原理,說明可以使用不滿足奈奎斯特低通采樣定理但大於信號帶寬兩倍的采樣速率進行中頻數字化,減輕基帶處理負擔。
  18. This paper mainly discusses the design principles and chief techniques of a digital accessing system for power - line communication net ( plcn ). the technology of low bit rate speech compression high - speed modem based on plcn adaptive equalization to the channel anti - jamming and anti - fading are applied in this system. so speech tele - control data and tele - protection signals can be transmitted high quality in the band - limited channel

    該系統綜合應用了低比特率語音信號壓縮編碼技術、基於電力通信網的高速調制解調技術、信號傳輸的通道自適應均衡技術和抗干擾、抗衰減技術,可在帶限通道中高質量的傳輸語音、遠動數據和遠方保護等信號,具有較高的整體性能。
  19. We analyzed the anti - jam and band inside anti - interfere performance of the system, and the low probability intercept ( lpi ) of the traditional direct sequence spread spectrum ( dsss ) modulations in the uav platform ' s applications. so a new modulation technique using a multi - level pseudo noise ( pn ) code has been presented. the new multi - level pn code is built from a high speed pn code through a low passed filter ( lpf )

    分析了系統抗阻塞式干擾和抗帶內頻帶干擾的性能,以及常規bpsk qpsk - dsss調制在無人機通信中存在的安全隱患,提出了一種用多電平pn碼進行擴頻調制的方法:採用高速pn碼,經過低通濾波器,產生多電平pn碼進行直序擴頻調制,能在低信噪比情況下有效抵抗平方率檢測器對系統載波的檢測。
  20. The influences of the temperature, speed and deformation ratio of rolling during producing composite stainless steel band by inversion casting on the bonding between the mother band and solidified layer were investigated

    摘要針對用反向凝固法生?不?鋼復合帶的工藝,研究了軋制溫度、軋制速度及軋制變形率對母帶與凝固層間結合的影響。
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