比特抽樣 的英文怎麼說

中文拼音 [bǐtèchōuyàng]
比特抽樣 英文
bit sampling
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 抽 : 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） ...
  • 樣 : 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
  • 比特 : [計算機] bit （信息量單位）比特波形 bit pattern; 比特差錯率 bit error rate [probability]; 比特緩...
  • 抽樣 : [統計] sample; sampling; specimen; samples draw
  1. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。
  2. Two block time - recursive algorithms are developed for the efficient and fast computation of the 1 - d rdgt coefficients and for the fast reconstruction of the original signal from the coefficients in both the critical sampling case and the oversampling case. the two algorithms are implemented respectively by a unified parallel lattice structure. and the computational complexity analysis and comparison show that the proposed algorithms provide a more efficient and faster method for the computation of the discrete gabor transforms

    首先論證了一維rdgt系數求解演算法和由變換系數重建原信號演算法，不論是在臨界抽樣條件下還是在過抽樣條件下，都同樣具有塊時間遞歸特性，並提出了相應的塊時間遞歸演算法及其并行格型結構實現方法，計算機模擬驗證了并行格型結構實現的可行性，計算復雜性分析與比較也說明了rdgt塊時間遞歸演算法的并行格型結構在計算時間方面所具有的高速和高效性能。
  3. 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

    在基於中頻采樣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樣量化，比較分析了幾種采樣的方式，其中最為重要的是帶通信號采樣定理；然後探討了軟體無線電的一個重要基礎，即多采樣率信號處理，重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現；接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器；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。
  4. Secondly ， the author point out the problems of development of chinese tourism marketing for example ， the tourism marketing is not perfect ， and the marketing kind is not complete ， and the system of tourism marketing is imperfect and so on in the end ， the author gives some advice how to settle these problems in order to make chinese tourism industry great progress the system of tourism maketing should be meliorated ； model of sales promotion of tourism product should be improved ； new objective tourism marketing should be developed ， for instance ， we should develop education tourism marketing ， rural tourism marketing and the rich residents of tourism marketing many methods of demonstration are adopted ， qualitative analysis and quantitative analysis are integrated ； deductjve reasoning and induction are expioited with ease ； the author anach importance to empoloy relative theorv ， of tourism ， at the same time ， the researching of the calse is emphasized

    這篇論文針對我國目前的旅遊市場進行宏觀分析，首先就我國旅遊市場的宏觀背景即國內旅遊市場發展背景和國際旅遊、旅遊市場研究進展和趨勢進行初步探悉，運用現實的統計數據和抽樣調查數據進行分析論證；其次就我國目前旅遊市場的現狀和存在的問題進行闡述和分析，然後針對我國目前旅遊市場的特徵和存在的問題提出發展戰略和解決措施，分析問題的方法上主要採用抽樣調查、比較分析法、演繹與歸納、定量與定性相結合等。
  5. On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former

    作者提出了一種基於帶通采樣定理的抽取器數學模型，對該數學模型進行了時域、頻域的分析證明后，設計了一種基於該數學模型的抽取器，進而根據無線電射頻信號頻譜的特點，提出了高效混合濾波器組adc系統，其數字信號輸出速率比高速混合濾波器組adc系統降低m - 1倍。
  6. Three different extraction methods ( cold methanol, hot ethanol and alkali extraction ) were analyzcd and compared using the direct infusion electrospray ionization - mass spectrometry ( esi - ms ) as the evaluation standard

    本研究以特定厭氧條件下培養的大腸桿菌為研究對象，以電噴霧質譜直接進樣測定為評價標準，比較並分析了冰甲醇、熱乙醇和堿抽提3種抽提方法。
  7. The quantization interval, or the difference in value between two adjacent quantization levels, is a function of the number of bits per sample and determines the dynamic range

    量化階距，即兩個相鄰的量化電平之間的差值，是每個抽樣的比特數的函數，它決定了動態范圍。
  8. Researchers based at the robert wood johnson medical school and cincinnati children ' s hospital medical center analyzed records from the nationwide inpatient sample from 1996 to 2003 to compare the early postoperative results for morbidly obese adult and adolescent patients ( 12 to 19 - year olds ) who underwent bariatric surgery in that time

    來自羅伯特.伍德.約翰遜醫學院和辛辛那提兒童醫院醫學中心德研究人員抽樣分析了全美1996至2003年住院病人的病歷，來比較在那段時間進行的治療肥胖外科手術后的成人和12至19歲之間的青少年早期術后結果。
  9. A model of any kind of physical artifact for instance, an automobile, building, bridge, and so on inevitably involves an informal step of abstracting the physical characteristics into a corresponding formal model such as a mathematical or scale model

    任何一種物理工具的模式（比如：一輛汽車，一座建築物，一架橋等等）不可避免地包含了一些步驟，它會將物理特性抽象成一個相應的模型（就像數學或幾何模型一樣） 。
  10. We apply the b - spline smoothed rejection sampling method to importance sampling. numerical experiments show that the error size o ( n - 1 ) is regained by using the b - spline smoothed rejection method for quasi - monte carlo estimate. the error bound of monte carlo method using b - spline smoothed importance sampling is also better than that of the standard monte carlo method

    將b樣條光滑拒絕方法用於重要抽樣估計，數值例子顯示擬蒙特卡羅積分的精度重新達到了o （ n ~ （ - 1 ） ）的階，而對于蒙特卡羅積分，採用b樣條光滑重要抽樣，其精度也比標準積分的精度o （ n ~ （ - 2 / 1 ） ）好。
  11. 16 selected bar indicate 16 bites mode. 16 bits mode improves the quality of sampled amplitude with 256 * 256 resolution when 8 bits gives only 256 levels of sampled amplitude. the 16 bits per sample is recommended

    16選擇的欄表明16比特模式。 16位方式以256 * 256的解析度提高被抽樣的高度的質量， 8位給出的只是被抽樣的高度的16 * 16的水平。推薦選擇16位方式。
  12. The higher the sampling rate, the more bits per sample and the more channels means the higher the quality of the digital audio and the higher the storage and bandwidth requirements

    抽樣頻率越高、每個抽樣的比特數越多、聲道越多，數字音頻的質量越高、所要求的存儲和帶寬越高。
  13. Random sampling is a common approach to this problem. however, random sampling is blind because it does not exploit any data characteristic

    目前普遍採用的樣本選擇方法是隨機抽樣，然而隨機抽樣方法沒有利用數據的任何特點，比較盲目。
  14. Given the same feature subset, the proposed genetic algorithm utilizes fewer samples and obtains greater accuracy than random sampling. this dissertation mainly contributes to the following two aspects : 1

    同以往的隨機抽樣方法相比，在同樣的特徵子集的情況下，本方法使用的樣本數量更少且預測準確率更高。
  15. Finally, i simulate the performance of ldpc codes with different parameters on the uwb system. we find that the performance of ldpc codes is very good. we believe ldpc codes will become the main channel - coding scheme in the future uwb system

    最後，將ldpc碼應用於ds - uwb系統，並針對不同碼長、碼率、用戶數、抽樣頻率、訓練比特數進行了計算機模擬，證實了ldpc碼具有良好的糾錯性能，必將成為未來超寬帶uwb系統主要的通道編碼方案。
  16. This work is contributed to the design and the construction of the traditional expert system part of the mixed system. firstly, we deal with sample data provided by a bank in fujian and abstract financial ratios by statistical methods ; secondly, we construct knowledge base according to area - knowledge of credit assessment, and design a priority - based forward - inference engine and a fact - based automatic explaining mechanism ; thirdly, we adopt object - oriented technology to analysis the system and construct object model and functional model of expert system ; finally, by using access database to construct system knowledge base, and c + + builder software to program, we develop a credit assessment prototype system based on mix - expert system

    以某銀行提供的企業樣本數據為基礎，在完成對樣本數據處理、抽取財務比率等基本工作后，根據信用評價領域知識的特點構建了系統的知識庫，設計了基於優先級的正向推理機制與基於事實的自動解釋機制，然後採用面向對象技術對系統進行分析，建立專家系統的對象模型和功能模型，在此基礎上，採用access數據庫設計系統的知識庫，採用c + + builder開發軟體實現了基於混合型專家系統的可視化信用評價系統原型。
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