simulated sampling 中文意思是什麼
simulated sampling
解釋
模擬抽樣-
Bulk density in 0 ~ 20cm, 20 - 40cm and field capacity in 20 ~ 40cm can be simulated with pure nugget effect model, and they are not spatially correlated in sampling scope. 4
O ~加cm 、 20一40cm土壤容重和2 } 40cm田間持水量符合純塊金效應模型，說明在采樣范圍內它們的空間相關性不存在。 -
Can technology traits are analyzed, and can technology is applied on the power factor dynamic compensation system. on the basis of analyzing thoroughly the theories and techniques, software module of power factor dynamic compensation system are classed and their time - period is analyzed. the techniques of real time sampling idle current and generating compensation current are simulated with software
在分析電網的頻率特性和功率因素動態補償系統的性能特點基礎上，對功率因素動態補償系統的軟體功能模塊進行了層次劃分和時序特點分析；對無功電流實時檢測、無功補償電流的產生等技術實現了軟體的模擬。 -
In view of the fact that the genetic algorithm of stochastic programming based on random simulated technology has succeed greatly, this paper points out that changing parameters of genetic algorithm can obtain a sequence of optimum values of goal function. taking these genetic algorithm values as sampling data, we can get fitting optimum function by using multivariate spline regression and get the lipschitzs constant of the fitting optimum function. so for any chance constrained programming problem, we can get its interval estimate
鑒于基於隨機模擬技術的遺傳演算法在求解隨機規劃問題上的優越性，本文指出，改變遺傳演算法的參數條件，在此基礎上求得機會約束規劃的若干個最優值，以這些最優值為樣本點，利用多元樣條回歸，擬合得到最優值函數，進而求出最優值函數的lipschitzs常數，從而對于任一機會約束規劃問題，都可以得到它的一個區間估計。 -
Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study
本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象，通過坡形實地測量、坡面密集采樣的顆粒分析和養分含量分析以及人工模擬降雨實驗，研究了土壤侵蝕對土壤碳和養分的影響途徑和表現，侵蝕作用影響下土壤碳和養分在微地形空間的分佈規律；同時，在地理信息系統的支持下，建立了侵蝕條件下的土壤碳和養分變化模型，模擬了侵蝕對土壤碳和養分影響的空間過程，預測了侵蝕影響下土壤碳和養分的年變化及多年變化，並通過研究建立的模型對不同侵蝕控制措施進行了初步的效益評價。 -
Different sampling periods of sensors and the recursive steps of initial states are investigated. the navigation precision with different condition such as different precision of sensors, different length of observation time are compared. then, three orbit types, consisting of low - altitude orbit, middle - altitude orbit and high - altitude orbit, are simulated respectively
在pc機上首先分析敏感器采樣周期和濾波迭代次數對自主導航精度的影響，然後比較敏感器精度不同，觀測時間長短不同，軌道類型不同情況下所產生的導航誤差。 -
Therefor sampling is made in the reservoir area, and the samples are soaked in the simulated reservoir environment. chemical analysis is made to the soaked fluid, which shows that the reservoir water will not be worsen by the harmful material in the rock and earth, but chemical detecting shall be carried out to some elements
為此，對庫區中的巖土進行了分別取樣，並採用模擬庫水浸泡巖樣，對浸泡液進行化學檢測分析.結果表明，水庫蓄水后不會因巖土中存在有害物質造成水質惡化問題，但應對某些元素進行監測 -
In this dissertation, rainfall infiltration, runoff, and soil water redistribution on a hillslope were studied by simulated rainfall experiments, and soil water cycling was investigated by site observation and soil sampling methods. moreover, the reasons for the desiccation of deep soil layer were analyzed, and its assessment indexes and standards were presented. the main results are as follows : ( 1 ) rainfall infiltration into a planar hillslope with a homogeneous isotropic soil could be simply regarded as one - dimensional infiltration process, if soil erosion was prevented
針對當前該區植被恢復重建中存在的科學問題，以植被建設的關鍵性限制因素?土壤水分為出發點，通過室內外模擬降雨試驗，研究了坡地降雨入滲、產流及土壤水分再分佈規律，同時採用定位觀測和采樣分析相結合的方法，分析了坡地土壤水分的循環與轉化特徵，並初步建立了深層土壤乾燥化程度的評價標準，取得的主要結論如下： （ 1 ）在防止土壤侵蝕的條件下，均質坡地的降雨入滲過程可以簡化為一維。 -
In probability logic sampling algorithm, all random events were simulated a large number of times
通過實驗測試了四種演算法在各種情況下的推理時間。 -
Analyzed the correlative theory of signal integrity such as reflection, crosstalk, simultaneous switch noise etc in detail, 2. simulated reflection and crosstalk, gave the corresponding waveforms, and summarized the solutions to reducing reflection, crosstalk and ssn, 3. using the method of signal integrity analysis, finished the pcb design of high speed data sampling system independently, 4
本文所完成的工作主要有以下幾個方面: 1 .對引起信號完整性問題的反射、串擾、 ssn進行了較深入的理論分析; 2 .給出了在常見情況下解決信號完整性問題的一些方法，並進行了相應的模擬驗證; 3 .運用信號完整性分析方法，獨立完成了高速數據採集系統pcb板的設計製作; 4 .完成了系統ad部分的調試。 -
In this paper the theory of microscanning is described and the process of imaging of microscanning is simulated theoretically, meantime, the possibility of improving the quality of image using microscanning is deduced from the sampling theorem
詳細介紹了微掃描的原理，並對微掃描的成像過程進行理論建模，從抽樣定理推論出採用微掃描技術對改善圖像質量的可能性。 -
The difference between the image obtained through method of microscanning and the single sampling image is simulated by computer based on the theory of microscanning. the sampled image and the images constructed with microscanning are presented as well
用計算機進行模擬分析，比較了採用微掃描方法合成的圖像和單幀抽樣圖像的差異，並給出了填充因子不同時的抽樣圖像和微掃描重建圖像。 -
Hardware controller uses the at89c51 monolithic integrated circuit, a / d transformation uses 12 bit transformations chips max187, has completed the design of a front channel for sampling and processing the simulated signal
其中硬體單片機採用at89c51單片機， a / d轉換採用12位轉換晶元max187 ，完成了模擬信號從采樣到處理的整個前向通道設計。 -
The performance of the differential mode loop, the characteristic of mrc combining and the high - pass characteristic of the error transfer function of the uniform sampling second - order dpll are simulated in the matlab, the simulation results are given
在matlab環境下對分集合併中的差模環特性、最大比合併特性以及均勻采樣二階數字鎖相環誤差函數高通特性進行了模擬，給出了模擬結果。 -
The results indicate the spatial simulated annealing is better than grid sampling design when searching for hot spots
文中應用空間分析的方式，進行采樣策略在搜尋污染場址中高污染區之能力。 -
3 ) the initial coastline data which are acquired from chart by digitizer is a series of sampling point. coastlines are simulated with polylinesby connecting two neibour sampling points
獲取的數據為一些離散的采樣點，通過連接前後兩相鄰采樣點構成折線圖形來模擬海岸線。 -
Aiming at different working conditions, single - phase ac sampling arithmetics are simulated under matlab. the simulation achieve the arithmetics of higher precision under the condition of much harmonics
針對不同典型的工況，對單相交流采樣演算法進行理論模擬研究，得到在諧波較大的情況下，精度較高的演算法。 -
The simulated result shows that, comparing with cumulants, this algorithm is not affected by different structure of the system, not needed to calculate the higher - order cumulants of the sampling, the sampling number requirement is small, and its realization is convenient by using computer
模擬結果表明，與常用的高階矩法相比，該方法具有不受系統結構影響，不需要計算樣本數據的高階統計矩，使用的樣本數據量少，便於用計算機實現的優點。 -
Firstly, this paper introduces the basic theory and the key technology of digital intermediate frequency system, secondly the method of the sampling rate conversion, multirate signal, and which is the important, essential theory in digital intermediate frequency system, is studied carefully. then it analyses the components of the flow chat. finally we simulated the designed system on spw and the properties of the system is make out
文章首先闡述了數字中頻系統的基本思想、關鍵技術和發展概況，然後研究了數字中頻系統涉及的數字信號處理理論，主要內容包括欠采樣技術、多速率信號處理、正交變換理論與高效數字濾波技術，然後詳細分析了數字中頻系統的設計，並在spw模擬平臺上加以實現，最後根據模擬結果分析了數字中頻系統的性能。 -
In order to study usefully, both the image motion and the sampling discrete are simulated and the result shows that when the width of target strip is a constant ( 2a ), the increasing amount of image motion is linear relation to the mtf decreased amount
為了使這種研究更具實際意義，接下來又模擬了像移和采樣離散化共同作用下的成像，這實質是ccd探測器的動態成像過程。結論是：當目標條帶的寬度一定時（模擬中取2a ） ，像移量的增加幅度與mtf的下降幅度為線性關系。
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