簡單抽樣 的英文怎麼說

中文拼音 [jiǎndānchōuyàng]
簡單抽樣 英文
sampling simple
  • : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
  • : 動詞1 (把夾在中間的東西拉出; 提取) take out (from in between) 2 (從全部里取出一部分; 騰出) ...
  • : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
  • 簡單 : 1 (不復雜) simple; uncomplicated; plain; simplicity 2 (平凡 多用否定式) commonplace; ordinary...
  • 抽樣 : [統計] sample; sampling; specimen; samples draw
  1. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    在基於中頻采的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行采量化,比較分析了幾種采的方式,其中最為重要的是帶通信號采定理;然後探討了軟體無線電的一個重要基礎,即多采率信號處理,重點討論其最基本的兩個過程取和內插以及取器和內插器的實現;接著介紹了結構、適用於一級取的cic濾波器和適用於做2倍取的半帶濾波器;再次論文在總結了傳統的調制解調基礎上,結合軟體無線電器件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
  2. By taking repetitive observations in this paper, parametric estimators are obtained respectively in a simple structural ev linear model and a linear structural ev model with vector explanatory variables

    本文利用重復的方法,分別給出了線性結構型ev模型和一般線性結構型ev模型中的參數估計,並討論了估計的強相合性與漸近正態性。
  3. Simple sampling without replacement

    不重復
  4. Precision of simple random sampling

    隨機精密度
  5. A popular solution toimprove the speed and scalability of the association rule mining is todo the algorithm on a random sample instead of the entire database. buthow to effectively define and efficiently estimate the degree of errorwith respect to the outcome of the algorithm, and how to determine the samplesize needed are entangling researches until now. in this paper, an effective and efficient algorithm is given based on the pac probably approximate correct learning theory to measure and estimatesample error

    關聯規則挖掘作為數據挖掘的核心任務之一,由於其任務本身的復雜性通常需要多次整個掃描數據庫才能完成挖掘任務且頻繁模式可能產生組合爆炸,使得從原始的大規模數據集上取一部分本,在其上尋找用戶感興趣的近似規則成為目前提高演算法效率和可擴展性的一種有效的現實可行方法之一。
  6. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構; 3 、針對時變色散通道:利用瞬態均值曲線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的輸入多輸出色散時變通道均衡與識別演算法,同具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。
  7. This course examines how randomization can be used to make algorithms simpler and more efficient via random sampling, random selection of witnesses, symmetry breaking, and markov chains

    這課程研究如何用亂數並透過隨意、隨機選擇證物、破壞對稱以及馬可夫鏈使得演演算法更和更有效率。
  8. Simple cluster sampling

    整群
  9. Simple sampling inspection plan

    簡單抽樣檢查方法
  10. A new sign test based on double - ranked set sampling is proposed, and its asymptotic distribution was obtained ; and the asymptotic efficiency relative to under srs and rss was discussed, which show that this test had higher efficiency

    摘要提出基於重排序集的符號檢驗,給出相應的極限分佈,並討論了相對于基於隨機和排序集的符號檢驗統計量的漸近效率,得出此檢驗具有較高的功效。
  11. Simple random sampling

    隨機
  12. The present methods for testing the large - scale corpus segmentation have the following faults : a. it is difficult to exactly estimating the variance of population ; b. the sampling quantity is too large to test the corpus segmentation. to solve the given problems, we put forward the testing method based on clustering, which sorts the sample of corpus into many group by clustering them

    語料庫分詞質量的評價問題是漢語語料庫的特有問題,已有的隨機的方法,當語料庫規模變大時,無法精確估計分詞質量評價中語料庫本的總體方差,同時,為了保證檢驗的精度,傳統方法的檢驗費用太高。
  13. The following merits can gain by using the clustering method : a. the sampling quantity can be reduced by using the method to test the segmentation of the large - scale corpus ; b. the testing precision can be improved and the variance of population can be estimated more exactly

    與已有的隨機方法相比,本文提出的方法在大規模語料庫分詞質量評價時,有如下優點; a通過聚類得到語料庫本分詞正確率的分層知識,進而在檢驗中運用分層帶來的增益減少檢驗的費用: b
  14. First, the probability distribution model of original flow for a sampled flow of fixed length is analyzed, and simple estimation for large flows is described according to the analysis result

    首先分析了產生一個定長流的原始流的概率分佈模型,並根據這個概率分佈特徵給出了長流一個非常的估計。
  15. It is shown that through the competition for the priority of using the cpr, the elaborated mechanism will motivate the agents to signal their time preferences and marginal costs in a bayesian equilibrium, which ensures that people do not over - use the cpr and rewards the agents who have more patience and / or are more cost - efficient

    通過讓最低標價的成員最先使用公共資源這一種的配置辦法,本文提出的新機制鼓勵更有耐性的成員選擇等待而得到更高回報,相對于平均分配和隨機分配(簽) ,可以明顯地提高資源的配置效率。
  16. Except the simple and usual filter and algorithm, some advanced filter ways such as frequency sampling filter, karlman filter and several new algorithms such as cosine algorithm, semiwave fourier algorithm and wavelet transform algorithm are also studied

    、常見的濾波和演算法外,本章還探討了一些性能先進的濾波方法如頻率濾波、卡爾漫濾波和幾種微機保護新演算法如餘弦演算法、半波傅氏演算法以及小波變換演算法等。
  17. 2 inspection batch : the name of congregated products for actualizing unit sample inspection

    2檢查批:為實施檢查匯集起來的位產品稱之為檢查批,稱為批。
  18. Therefore, we study on the survey method for the statistics of whole industry waterway transportation volume based on the basic units of ships management and waterway traffic safety superintendence - port and waterway superintendence units ( pws units ). in this dissertation, we mainly studied and solved the following three problems : 1

    由此對依託我國的水上安全監督和船舶航行管理的基層位? ?港航監督所、監督站和監督點(以下稱為:港航監督所站)開展全行業水路運輸量統計調查進行了研究,本論文重點研究和解決了方案設計中以下三方面的問題: ( 1 )依託港航監督所站,進行全行業水路運輸量調查的具體方法研究和篩選。
  19. Abstract : to settle the numbers of groups, the moth and features of group sampling are analysed, and its estimator is goven. then using cauchyschwartz unequility, it seeks the best apportion with finite cost

    文摘:為了確定分類的各類位數,分析了分類取方法和特點,同時給出其估計,然後利用柯西-施瓦茨不等式推導出在給定調查費用情況下的最優分配
  20. Basic information about the household members will be collected and one member from each household will be selected for the antibody testing against sars coronavirus

    中心收到被選中住戶家庭成員的個人資料后,便會以隨機的方式,選出該住戶的一名家庭成員參與sars冠狀病毒抗體的測試。
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