random source 中文意思是什麼

random source 解釋
隨機源
  • random : n 〈罕用語〉胡亂行為,偶然的[隨便的]行動[過程]。adj 1 任意的,胡亂的,隨便的;(話等)信口亂說的...
  • source : n 1 源頭,水源,源泉。2 根源,本源;來源。3 原因;出處;原始資料。4 提供消息的人。5 血統。vt 〈美...
  1. Spatial distribution and time scales of atmospheric diffusion over beijing area are revealed by means of a random walk simulation model and practical meteorological data with a specified emission source from the city. results show a southward transport pattern for wintertime while a northwest transport of pollutants in summer. the area is the least evidently influenced by the emission source in spring, while the largest in autumn. the time spent for instantly emitted material removing from the model domain varies from winter - spring to summer - autumn. the former was shorter one of less than 20 hours ; the latter was longer one of approximately 30 hours. distribution of occurrence probability for different removal times was not symmetry. reducing slowly at the end of longer removal time, probability exists for pollutants remaining in this area a long time

    結果表明,冬季示蹤物偏南夏季偏西北的輸送明顯春季擴散影響范圍最小秋季最大。示蹤物從200km200km模式區域輸出的平均時間去除時間明顯分為冬春季和夏秋季兩組,前者較小,平均在20h以下,後者較大,平均約30h 。不同去除時間出現的頻率分佈是非對稱的,在長去除時間一側,出現頻率下降緩慢,顯示污染物有在該區域內長時間滯留的可能。
  2. Nonlinear viewpoints on development of science is depended on that the science is the partial system of society system, and it not only has the nonlinear interaction which is the source and motive force of development, but also has strange attractor which lead to order in the disorder, that is science problem and science theory, matthew effect and priority. the development of science also possesses sensitive dependence to the primary condition. it will flux and reflux suffered from the influence of various random factors inside and outside of system

    科學發展的非線性觀立足點就在於科學是社會系統的分系統,它不僅有非線性相互作用,這構成了發展的源泉和動力,更有導致無序中產生有序的奇異吸引子(科學問題與科學理論, 「馬太效應」與「優先權」 ) ,在發展過程中對初始條件也具有敏感依賴性,並受到系統內部、外部的各種隨機因素的影響而產生漲落,在常規發展時期表現為科學的漸變,也就是量的積累,當漲落放大時就表現為科學革命,即質的改變。
  3. Abstract : a technical solution for the multi - channel random data stream by tsr receiving programming is presented. details about resident interrupt receiving, data buffer setup, data segment address keeping, buffer read / write operation and program resident / unresident are described , and information process programming with advanced language is discussed. the application of this technique in the control system for the automatic burdening of a cement production line is given. the debugging method and procedure is introduced. source program written in advanced language, include data buffer access and calling are listed

    文摘:給出了一種「多通道隨機數據流的中斷駐留接收技術方案」 ,詳細描述了內存駐留中斷接收、開設數據緩沖區、數據段地址保存、駐留/解除和數據緩沖區讀取,討論了高級語言程序信息處理,舉出了該技術方案在「水泥生產線微機全自動配料測控系統」中應用的實例,介紹了調試方法和步驟,給出了高級語言讀取數據緩沖區數據及調用源程序。
  4. Probably the best source for random numbers in common use is measuring radioactive decay. it s not at all easy to bias, and comes with relatively little natural bias

    最後,我們將解釋如何在您自己的應用程序中建立防盜自動警報,以及侵入探測的現代方法可能對您有何幫助。
  5. Appropriate data compression methods are needed to assure the random nature of the information source and to enlarge its entropy. in this thesis, first, we present the theory of sess system, then the acquisition method of sess system is discussed in detail, finally, a acquisition model of sess system is built and simulated in the awgn channel, in the raleigh fading channel and in multi - address interfere condition. the simulation results show the acquisition method of sess system can be just as reliable as the conventional dsss systems

    本文首先對自編碼擴頻通信的基本原理,自編碼擴頻序列的產生方法及其產生的序列的特性進行了概述,然後詳細討論了直擴通信系統中的擴頻碼的捕獲跟蹤問題,根據自編碼擴頻通信的特點,設計了其捕獲跟蹤方案,並在加性高斯白噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬。
  6. So it can resolve the geology problems. this method has the character of reconnoitering deeply, high ability of penetrating high resistance layer, little random disturbance, observing both far and near, observe in different time windows, receiving the geology information in different depth. so this method is widely used in source exploration and engineering measure

    該方法以其具有勘探深度大、穿透高阻層能力強、隨機干擾小、可以在遠區觀測、亦可以在近區觀測、選擇不同時窗進行觀測、可以獲得不同深度的地質信息等優點,被廣泛的應用於資源勘探和工程勘察領域,成為引人注目的地球物理勘探手段之一。
  7. Triggering time synchronization error model is derived, and based on phase noise model of frequency source, random synchronization error is considered. the effect of fixed and linear error on focusing quality is given by simulation

    模擬試驗給出了固定、線性、正弦及隨機型觸發時間同步誤差對點目標成像指標的影響,同時給出了相應的面目標模擬結果。
  8. 2, studying the character of the output of the laser used on the practical qkd system, and design and made a photo - electronic detection circuit to accomplish the necessary photo ? electronic conversion for the practical qkd system. 3, designed two balance true random codes generators for qkd system, they are based on physical random source. and analyzed randomicity of the generators

    三、設計製作了量子保密通信用的真隨機碼發生器,先後製成了兩臺樣機,一臺採用窄帶隨機信號源,一臺採用寬帶隨機源,並研究了隨機源對隨機碼的隨機性的影響,最後進行了隨機性的分析。
  9. At 1999, lim nguyen first brought forward a novel self - encoded spread spectrum ( sess ) system, which spread spectrum sequence is full builded by the source data. in sess system, which does not use pn codes. it employs random spreading sequences that are extracted from the information data

    自編碼直擴通信是limnguyen在1999年首次提出的一種利用信源數據產生擴頻序列的隨機直擴技術,它產生具有隨機的、動態可變的擴頻序列,因而是一種較好的安全通信方式。
  10. Disserted the principle of computer simulation of signal source of random moving multi - target, the methods of simulating two and three dimesion locuses of moving multi - target and simulating the interference of random noise. introduced the file format of the output parameters, the technique of data transformation and the method of software realization

    論述了機動多目標計算機模擬信號源的原理,模擬二維及三維機動多目標運動軌跡的方法以及模擬機動多目標在運動時所受到的各種隨機噪聲干擾的方法,給出了輸出參數的文件格式及數據轉換技術,並介紹了軟體的實現方法。
  11. A kind way of current sharing composed of the droop method and the master - slaver method based on thermal stress and the random of the master is given, in this system an extra controller is attached ; all the software and hardware on can fieldbus communication part have accomplished, which guaranteed the communication of the charger high reliability and high real - time. the source and types of the noise from switching power are analyzed and some methods are introduced to restrain noise and strengthen the system performance of interference rejection

    提出了一種外加控制器基於熱應力均流的主從可轉換均流方法;對系統中can總線通信部分的軟硬體進行了設計,保證了系統通信的實時性和可靠性;對開關電源噪聲來源與種類進行了分析,介紹了一些抑制噪聲和增強系統抗干擾性能的措施。
  12. The propagation characteristics of underwater acoustic channels and their influences on long - range information transmission are studied thoroughly. based on the sonar equation, the optimal frequency band is abtained. from the calculation about transmission loss, the source level is forecasted. based on the random time varying channel theory, the fading characteristics of long - range underwater acoustic channels are analyzed

    系統、深入地研究了水聲通道特性及其對水聲遠程信息傳輸系統的影響;從聲納方程出發,確定了系統的最佳工作頻段;在聲傳播損失計算的基礎上,給出了聲源級的預報;基於時變通道理論,描述了遠程水聲通道的衰落特性。
  13. Methods after a general cross - sectional hygienic survey which was carried out by filling in questionnaires, the source water 、 off - work water and pipe water sampled from 20 % subjects which were selected by stratified sampling and simple random sampling were tested

    方法按設定的調查內容,先採用橫斷面現場普查填寫調查表的方法進行衛生學調查,然後按20 %的比例採用分層、隨機抽樣的方法,對水源水、出廠水、末梢水進行檢測。
  14. Direct against the flame picture of stove, having analysed the source of the noise of the picture, a large number of random noises in following to the combustion process have been successful dealt with in using median filtering, have realized the gray transformation and false color shown of the flame picture

    針對爐膛火焰圖像,分析了圖像噪聲的來源,運用中值濾波成功地對燃燒過程伴隨著的大量的動態隨機噪聲進行了處理,實現了火焰圖像的灰度變換和偽彩色顯示。
  15. Abstract : attention is focused on the random mathematical model of particle dispersion in non - uniform turbulent fluid. according to the initial condition, the analysis formulas of point source, linear source and surface source are derived. numerical results are easily obtained by combining linear analytical method with nonlinear numerical method, which are compared with the experimental data

    文摘:研究粉塵顆粒隨機擴散數學模型,在非均勻湍流場中,根據初始條件,推導出點源,線源和面源的解析計算式,其數值計算結果與試驗吻合
  16. Attention is focused on the random mathematical model of particle dispersion in non - uniform turbulent fluid. according to the initial condition, the analysis formulas of point source, linear source and surface source are derived. numerical results are easily obtained by combining linear analytical method with nonlinear numerical method, which are compared with the experimental data

    研究粉塵顆粒隨機擴散數學模型,在非均勻湍流場中,根據初始條件,推導出點源,線源和面源的解析計算式,其數值計算結果與試驗吻合
  17. Firstly, by selecting and defining the resource load indexes rationally, lbmr take into consideration the effect on the resource usage of source node and destination node by the migrant. by means of vector operations, lbmr can use multiply resources in harmony. secondly, lbmr adopts the smallest k - subset random algorithin, and the load index information is provided by the information cache

    Lbmr演算法的主要思想有三點:第一,基於合理選擇和定義的資源負載向量,綜合考慮進程遷移對源節點和目標節點資源利用率的影響,通過向量運算協調多種資源的平衡使用;第二,基於最小k子集隨機演算法,採用信息cache提供的負載信息作為負載平衡演算法位置策略的選擇依據;第三,基於進程生命時間的概率分佈,根據遷移進程減速( slowdown )數學期望值的改善程度,選擇適合於遷移的進程。
  18. A new kind of numerical method, the statistical distributed source boundary point method ( sdsbpm ), used to calculate the acoustic radiation problem caused by the random vibrating body is presented ; a test for the effectiveness of the sdsbpm is carried out on the aspects of its calculation precision, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第四章提出了一種新型的隨機振動聲輻射計算方法?統計分佈源邊界點方法;通過諸多不同邊界曲面和不同邊界量分佈的隨機振動聲輻射算例,從計算精度、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面,對統計分佈源邊界點方法的有效性進行了考證。
  19. 3 ) on the other hand, the gaussian heterogeneous anisotropic random fractured model might be a suitable model for the single - scaled and smooth heterogeneous media. the propagation of elastic waves, excited by an explosive point source in exponential ellipsoidal and gaussian heterogeneous anisotropic random fractured rocks, were simulated

    模擬了爆炸點源產生的彈性波在指數橢圓型、 gaussian型非均勻各向異性隨機裂縫國防科學技術人學研究生院學位論文巖石中的傳播,討論了具有不同自相關長度的或者不同類型的非均勻各向異性隨機裂縫巖石對彈性波的散射。
  20. Once you have your hardware source for random numbers, you should ask, " are my random numbers random enough "

    盡管這些人的技能相對要差一些,但他們仍然很危險。
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