時空域 的英文怎麼說

中文拼音 [shíkōngyù]
時空域 英文
time-space domain
  • 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...
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 空域 : [航空] airspace
  1. The results show that : l ) there are three anomalous high temperature areas and three anomalous low temperature areas, and the whole area high temperature anomaly took place in the late 1980s, whereas the low temperature anomaly in the 1970 ; 2 ) the spatial mode manifests identical variations in the whole area, and the temporal coefficient curve is of 2 - 3 year period oscillation and an interdecadal abrupt in the late 1970s ; 3 ) the variance of interdecadal component is obviously larger than that of interannual in the most part of nespa ; 4 ) the interdecadal variation of the temperature is mainly linear ascendance in the late 1970s, the large range anomalous high ( low ) temperature occurs when the interdecadal and interannual anomaly are both positive ( negative ) in the year ; 5 ) the temperature anomaly is divided into four patterns : southern, northern, eastern and western patterns, in which the interdecadal variation of the southern and western patterns is relatively importance and the interannual variation of eastern and northern pattern is relatively importance

    本文用夏季（ 6 - 8月）中國東北地區91個測站44年氣溫資料，對該區夏季氣溫的氣候平均和異常場進行分析，採用諧波分析將異常變化的年代際、年際尺度分量分離，分別分析兩種尺度上氣溫異常的時空特徵，最後應用reof進行了氣溫異常的區劃，研究局域異常變化的年代際、年際分量的變化特徵。結果發現： 1 ）東北夏季有三個異常高溫高發區和三個異常低溫高發區。全區性異常高溫（低溫）階段出現在上世紀80年代后（ 70年代） 。
  2. Is differentiable in field d and meets the condition above,

    在定義域d內任一點可微，且時空映象函數
  3. This is the first generation holograph. aided by an abundance ot the new coherent laser light and extended by a number of technological advances, leith and upatnieks produced the off - axis hologram recorded and reconstructed by laser in 1962. the twin images can be separated in this hologram

    隨著高相干度激光的出現， 1962年leith和upatnieks將通訊理論中的載頻概念推廣到空域中提出激光記錄、激光再現的離軸全息圖，分離了孿生像，使全息術進入了第二代全息圖的發展時期。
  4. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。
  5. In view of henan province ’ s typifying for the five provinces in central china in regard to rural industrial development, this paper chiefly examines the enterprise networks in three clusters in henan province, that is, the steel office furniture cluster in pangcun town, yanshi city, the steel measuring tape cluster in nanzhuang village, yucheng county and the hair products cluster in xuchang county, xuchang city, by means of the social network analysis ( sna ), transaction - cost analysis ( tca ) and space - time coupling approach. it explores the forms, process, evolution and performance of the networks among enterprises and other actors in clusters in rural areas of central china

    鑒于河南省鄉鎮企業發展在中部農區的代表性，本文運用社會網路分析法、交易成本分析法及時空耦合法，著重對河南省偃師市龐村鋼制傢具、虞城縣南莊村鋼捲尺和許昌縣發製品三個產業集群中的企業網路進行個案研究，從而探討中部農區產業集群中企業的結網形式和結網過程、企業網路的演化機理以及它是如何提高企業和區域競爭力的。
  6. The scanning of the film by the photometer in the spacial domain is equivalent to the operation of a filter on a signal flowing through it in the time domain.

    在空間域用光度計進行掃描，和時間域中濾波器對所通過的信號進行運算等效。
  7. For this reason, to analyze the spatial and temporal dynamic of ground water table and water quality beneath the typical phytocommunity in particular areas, will be helpful to probe into the dynamic formation of soil moisture and salinity, and to understand the spatial variation of vegetation

    因此，分析區域內典型植物群落的地下水水位、水質在時空上的動態變化，有助於探討土壤水鹽動態變化的形成條件，揭示植被在空間上梯度變化的原因。
  8. The paper defines a set of metallotectonicses, which are interrelated together under a certain space - time domain and the same tectonic regine or some particalar geologic events, as metallotectonic series

    成礦構造系列指一定時空域中、同一構造體制下或某一特殊地質作用過程中形成的相互聯系的一套成礦構造的總和。
  9. Abstract : the paper defines a set of metallotectonicses, which are interrelated together under a certain space - time domain and the same tectonic regine or some particalar geologic events, as metallotectonic series

    文摘:成礦構造系列指一定時空域中、同一構造體制下或某一特殊地質作用過程中形成的相互聯系的一套成礦構造的總和。
  10. But self - organized criticality ( soc ) is a kind of weak chaos nature : " edge of chaos " ( non - stable steady state ), appearing only in the specific space - time region in specific stage at self organization process of crustal movement

    「自組織臨界態」 （ soc ）是一種弱混沌性質的「混沌邊緣態」 （非穩定定態） ，只出現于地殼運動自組織過程特定階段中的特定時空域。
  11. And geosystems grow fractally at the edge of chaos. the author deduced and integrated these aspects into a theory of complexity in geosciences named “ dynamics of self - organized critical processes of geological processes ? fractal growth of geosystems at the edge of chaos ”, which is widely applicable to variable geosystems

    地質系統位於有序和混沌之間的過渡時空域，即混沌邊緣，其中系統呈規則與混沌運動並存和混合的弱混沌動力學狀態，並且地質系統在混沌邊緣分形生長。
  12. With the accomplishment of this system, the level of airspace management and evaluation is improved, and the means of airspace management and evaluation is enhanced. at the same time, the general protective ability of airspace management system can be improved

    同時，空域管理與評估系統的實現，將大大提高我國空域管理和評估的水平，加強空域管理和評估的手段，提高空域管理系統的綜合保障能力。
  13. In this paper, by using monte carlo method with irregular grid random walk in time - space domain the problem of mass concrete transient temperature field was solved

    摘要利用求偏微分方程的蒙特卡羅演算法，通過在時空域中不規則網格隨機游動來求解大體積混凝土不穩定溫度場。
  14. The algorithm in frequency _ domain is relatively robust, compared with the one in spatial _ domain

    引用時空域和頻率域的經典的水印演算法，指明了數字水印的基本框架。
  15. This paper employed the characteristics of the hvs ( human visual system ) responded to the image contents and realized the two kinds of image - adaptive watermark algorithm, one is in the spatial domain based on the statistics theory and another in the dct domain with meaningful digital watermark

    本文利用hvs人類視覺系統模型，提出了圖像內容自適應的數字水印演算法，分別實現了時空域中的統計原理水印演算法和dct變換域中的有意義水印演算法。
  16. Video object segmentation techniques are discussed, theories and techniques related to video segmentation are introduced and the existing typical algorithms of motion - based and spatiotemporal segmentation are analyzed and compared with the emphasis on analysis of spatiotemporal segmentation algorithms based on 3d region growing

    本文以視頻對象分割技術為研究課題，首先介紹視頻分割相關的理論與技術，然後對現有的基於運動和基於時空域相關兩大類分割演算法進行對比研究，並把重點放在基於3d區域生長的時空域分割演算法的分析上。
  17. The chaos sequence was applied in these two algorithms to increase its security and was served separately as the random watermark generator and the watermark image encryption techniques. due to the analysis of the image characteristics, we determined the watermark strength by the classification of the image content and obtained better robustness and imperceptibility. new algorithms of meaningful digital watermarking in svd domain with chaotic transform encryption are proposed

    混沌序列在這兩類演算法中分別作為隨機水印信號發生器和二值圖像水印的混沌加密手段，具有安全性高、形式簡單的優點；利用hvs特性，分別在時空域和dct頻率變換域中計算圖像內容的自適應嵌入強度，增強了演算法的穩健性；水印的嵌入和檢測計算復雜度小，演算法簡單。
  18. Analyzed the signal of 3 - d spatio - temporal sampling in spatio - temporal domain and frequency domain, according as the base principle of sampling, adopted more - dots - marked method, gained random spatio - temporal sampling matrix of digital video signal, it proved that arithmetic is accurate and efficiency

    在時空域和頻域上分析三維采樣的數字視頻流信號，以采樣矩陣方法為依據，採用多點標定方法，得到任意數字視頻流的時空采樣矩陣。計算機模擬實驗證明了該方法的正確性和可行性。
  19. Proceeding with several key problems about spatiotemporal segmentation, this paper discusses the generation and distribution of seeds in 3d region growing, provide the similarity measurement between pixel and volume, design the post processing and construct spatiotemporal data structure to support the algorithm. homogeneous video components with similar color feature are obtained

    從時空域分割要著重解決的幾個關鍵問題入手，本文探討了3d區域生長的種子分佈和生成方法，給出了區域生長過程中的像素和元素之間的相似度準則和后處理過程，並構建了相應的時空域數據結構來支持生長演算法的進行。
  20. Lacking of space locality in time domain, fourier analysis can only make certain of the integral singularity of a function or signal. as a result, it is difficult to detect the spatial position and distribution of broken signal by fourier analysis. wavelet analysis has the characteristic of spatial locality, and its wideness in both windows of the time and the frequency can be adjusted, so it can analyze the details of a signal

    經典的fourier變換把信號按三角正、餘弦基展開，將任意函數表示為具有不同頻率的諧波函數的線性迭加，能較好地刻劃信號的頻率特性，但它在時空域上無任何分辨，不能作局部分析，這在理論和應用上都帶來了許多不便。
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