data length 中文意思是什麼

data length 解釋
數據長度
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • length : n. 1. 長,長度,長短。2. (時間的)長短,期間。3. (賽艇的)一艇的長度;一馬的長度。4. 程度,范圍。5. 【板球】球程;投至適當距離的球。6. 【語言學】音長。7. 一段,一節。
  1. You can choose different encipher algorithms according to requirement. aes is a symmetric block cipher that can process data blocks of 128 bits, using cipher keys with lengths of 128, 192and 256 bits. because the length of block and key has been expanded, security has been enhanced

    Aes ( advancedencryptionstandard )是fip ( federalinformationprocessingstandardspublication )在2001年6月發布的草案,它是分組加密演算法,消息分組為128bit ,有三種密鑰長度128bit 、 192bit 、 256bit ,由於分組長度和密鑰長度加長使得安全性大大的提高,它有望成為21世紀的加密標準。
  2. Using the model experiment data, the authors calculate the decreased percentage of water jump length, unit width hydraulic jump volume and the water depth downstream of the jump ; and also calculate the energy dissipation rate of dentoid baffle, it is concluded that the device of dentoid baffle can increase the energy dissipation rate of hydraulic jump theory and decrease the engineering cost

    計算了新增齒墩設施的消能量,同時計算了新增齒墩設施的躍后水深、水躍長度和單寬水躍容積減少的百分數。結果表明,採用齒墩設施,可增進消能作用,並取得顯著的經濟效益,達到附加射流水躍理論所預期的效果。
  3. On the basis of the others, according to the constructional feature of the constitution of the composed soil nails, the computation mode of the he strut frame made of composed soil nails was set up to analyze the distortion of the he strut frame made of composed soil nails when it is stressed. with the engineering data, the strut frame made of composed soil nails is analyzed with the program ababqus, and the effects of the distortion characters, the property of the deposition of the ground, the mechanical property of the soil nails, the variation of the length and the separation of the soil nails, and the diametric of the mixing piles on the strut frame made of composed soil nails, and the distortion property of the strut frame made of composed soil nails under different ground conditions

    在總結前人的研究成果下,針對復合土釘墻構造的特點,建立了模擬復合土釘墻受力變形的計算模型,並結合工程實測資料,運用大型通用有限元程序ababqus對復合土釘墻進行了有限元分析,詳細討論了復合土釘支護結構開挖過程中的變形特性、地面沉降性狀、土釘受力性狀;土釘長度變化、土釘間距變化、攪拌樁樁徑變化對復合土釘支護結構的影響;復合土釘支護結構在不同地基條件下的變形特性。
  4. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻化的作用。
  5. The paper establishes a ecological transect, with a length of 90 km and width of 16 km, utilizing the part of tm data on 16th august 1998, from harbin to the natural secondary forests in maoershan, heilongjiang province. with supervised classification, the tm data which had been corrected and enhanced via erdas, combining the data of gps in the field, was classified by seven types including : residential area, glebe, paddy field

    本論文利用1998年8月16日的tm衛星數據的一部分,設置從黑龍江省哈爾濱市到帽兒山天然次生林區,長90km ,寬16km的生態研究樣帶。通過用erdas對衛星數據的校正、圖像增強等處理,結合gps野外實地調查數據,進行有監督分類。共分為7種類型:居民點、旱田、水田、河流、灌叢、闊葉林、針葉林,並建立了衛星影像分類解譯標志。
  6. The program includes the infrasonic signal data acquisition of three channels, 3 - d dynamic spectrum analysis, correlation analysis of 3 channel infrasonic signals, the calculation of wave direction, the wave speed, the spectrum analysis at any length and a real - time infrasonic gravity wave pressure - time ( p - t ) curve

    本程序支持3路次聲波傳感器信號的數據採集、動態譜分析及次聲信號的相關分析、能計算波源的方位角、波速以及任意時間段的譜分析,並實時給出次聲重力波的壓力?時間曲線(即p ? t曲線) 。
  7. Chapter 4 designs and determines the parameters of the algorithm adopted in the instrument system. analyzes and compares the different effects to frequency estimation when using digital filters with different group delay ; determines the data length, a parameter of frequency estimation ; introduces the method of available judgment of sensing signal and determines the judgment threshold as well

    第四章設計和確定了儀器系統軟體演算法的部分參數:分析和比較了不同群延遲特性的數字濾波器對頻率估計的影響;確定了影響頻率估計參數?數據長度的取值規律;給出了判斷傳感信號有效性的檢測方法並確定了檢測門限的取值規律。
  8. Answer : in the emeritus before personnel end 1992, if former unit shows to already closed, stop, and, turn, and branch of clinking stage director is mandatory ; or have an unit but cannot offer " emeritus examine and approve a watch " the retiree that waits for a data, think individual account is medium uninterrupted length of service and actual abhorrent, but by the individual " emeritus card " on the account of uninterrupted length of service of account belongs to orgnaization of area social security to declare to place, adjust via checking approval hind to will give, but should not exceed out to have a job to the fixed number of year during retiring

    答: 1992年底以前退休的人員中,如原單位現已關、停、並、轉,且無上級主管部門託管的;或有單位但無法提供《退休審批表》等資料的退休人員,認為個人賬戶中連續工齡與實際不一致的,可憑個人《退休證》上記載的連續工齡記載向所屬區社保機構申報、經核實批準后將予以調整,但不應超出自參加工作至退休期間的年限。
  9. In mss, an attribute of a data set that keeps the data set on one or more staging drives until the data set is released by the user regardless of the length of time or the demands

    在海量存儲系統( mss )中,數據集的一種屬性,將該數據保存在登臺驅動器上,直到用戶釋放該數據集為止,而不考慮它使用的時間和佔用的空間。
  10. The risc mcu core is based on harvard architecture with 14 - bit instruction length and 8 - bit data length and two - level instruction pipeline the performance of the risc mcu has been improved by replacing micro - program with direct logic block

    設計的riscmcu採用14位字長指令總線和8位字長數據總線分離的harvard結構和二級指令流水設計,並使用硬布線邏輯代替微程序控制,加快了微控制器的速度,提高了指令執行效率。
  11. The core is based on harvard architecture with 16 - bit instruction length and 8 - bit data length. the performance of mcu has been improved greatly by introducing single - clock - cycle instructions, setting multiple high - speed working registers and replacing micro - program with direct logic block etc. to keep the mcu core reusable and transplantable, the whole mcu core has been coded for synthesis in verilog hdl

    該mcu核採用哈佛結構、 16位指令字長和8位數據字長,通過設計單周期指令、在內部設置多個快速寄存器及採用硬布線邏輯代替微程序控制的方法,加快了微處理器的速度,提高了指令的執行效率。
  12. In b3g - system, the ldpc code has been used with the random irregular parity - check matrix, which the data length is 3944

    「 b3g 」系統中, ldpc碼校驗矩陣為隨機的非規則校驗矩陣,碼長為3944比特。
  13. Abstract : in order to process signal in depth and to extract the fault feature from original signal in machinery diagnosis , the graphical display algorithm that can keep the data length of wavelet transform results the same as that of original signal is used. the fault diagnosis of a bend axial piston pump via b - spline wavelet that has linear phase is provided. the results of study demonstrate that the new method has excellent feature and the weak fault signal can be extracted from the strong vibration background of the pump

    文摘:採用具有線性相位的b樣條小波,應用圖形顯示演算法並結合小波變換快速演算法將信號分解到不同的頻帶上,且分解結果和原信號長度保持一致,可對信號進行深層次的處理,克服了傳統的信號處理方法不易提取微弱信息的不足.通過對礦用斜軸式柱塞泵振動信號的分析,分離出了配流副磨損、球鉸松動、缸體及泵軸支撐軸承的故障特徵,為液壓泵的故障診斷提供了依據,並為信噪分離、微弱信號提取及設備的早期故障診斷提供了一條有效途徑
  14. The efficiency of the controller can be 36. 36 % or 72. 73 % when data length is 1 or 2. when the data length is 4 or above, the efficiency can be 100 %. the effect that on - chip cache has on memory bandwidth is analyzed, and an on - chip cache scheme that can reduce 50 % reference data read

    通過多體交錯式存取,本文設計的ddrsdram控制器在存取數據長度為1或2個字時,帶寬利用率分別為36 . 36 %和72 . 73 % ,存取數據長度為4個字時,帶寬利用率可達到100 % ,滿足了高清實時解碼的要求。
  15. With support for determining the content type, data length, and encoding format of a stream

    以支持對流的內容類型、數據長度和編碼格式的確定。
  16. Data length : for example, an account number must have a particular string length, a minimum string length, or a maximum string length

    數據長度:例如,帳目編碼必須具備指定長度、最小長度或者最大長度。
  17. Our stud } " showed that the arithmetic of complexity parameter is easy to calculate and the demand for the data length is low

    本文討論了幾種復雜性的具體演算法,結果表明其具有演算法簡便,對數據點長度的要求相對較低等優點。
  18. Every operation supported the data length from 8 bits to 2048 bits, which afforded security chip users ' maneuverability, and reduced the time and cost of coding remarkably

    每種功能支持的規格從8位至2048位,給安全晶元用戶提供了極大的靈活性,顯著減小了代碼的開發周期和成本。
  19. A new feature in db2 udb v8 allows you to alter the size of a column when required, so you no longer need to create varying length records when you are unsure of future data length growth

    Db2 udb v8中的一種新特性允許在需要的時候修改( alter )某一列的寬度,這樣一來,即使您不能確定將來數據長度的增長情況,也不再需要創建可變長度的記錄。
  20. 3 standard adopted in ethernet designates 368 bits minimum data field size in mac fraae, filling bits will be loaded if data length is shorter than 368 bits, which causes extra spending. on the contrary, the naxiaub process data length in iec 61375 - 1 is only 256 bits. ( 2 ) actual ethernet rate may be lombps, loombps, looombps, which is far higher than 1vl consequently it is likely that csma / cd fulfill functions of mvb polling strategy

    3標準指定的mac幀最短數據域長是368位,不夠時應裝入填充比特,造成不必要的開銷,而iec61375 - 1規定的最短過程數據僅為16位,最長不過256位; ( 2 )由於歸一化速率為1mbps ,而實際的ethernet傳輸速率遠遠高於1mbps 。
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