瞬時取樣 的英文怎麼說

中文拼音 [shùnshíyàng]
瞬時取樣 英文
temporal sampling
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : 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...
  • : Ⅰ動詞1 (拿到身邊) take; get; fetch 2 (得到; 招致) aim at; seek 3 (採取; 選取) adopt; assume...
  • : 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
  1. It is a reliable instrument for the measurement of the coherent structure in turbulence. an improved 2 - d ptv was developed based on previous research experiences, which can be used to measure the trajectories of particles motion. for the experimental study on the particle motion in the dilute solid - liquid two - phase flow, especially for the motion characteristics and dynamic characteristics of coarse particles in water, this kind of system was proved to have great advantages

    利用該系統可獲大量的統計本並進行計算機快速分析,為明槽紊流相干結構的試驗研究提供了一種嶄新的測量手段;在前人工作的基礎上,開發了一種能夠測量水流中顆粒運動軌跡的ptv系統,該系統具有可靠的精度,能同步測量全剖面的顆粒運動信息,為顆粒運動特性及動力學特性的試驗研究提供了強有力的手段。
  2. 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 、針對間選擇性衰落通道:提出一種基於迫零均衡的間選擇性通道均衡方法,演算法結構簡單; 3 、針對變色散通道:利用態均值曲線提通道變信息,對之ar建模,利用卡爾曼濾波器跟蹤變通道抽頭變化,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,提出了新的單輸入多輸出色散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,給出一種變系統處理模型。
  3. The assisting mechanism of hammer in dredge haul is to accumulate energy with wire pull, draw inner pole firstly, release by pin framework, acceleratc core piece, strike hammer shell, produce great instantaneous wallop, drag dredge to break op stone immediately, restore with reposition spring, and work again finally

    該機構在拖網利用鋼纜拉力蓄積能量拉動內部拉桿,並通過銷軸機構釋放能量加速沖擊芯塊,撞擊殼體產生巨大的沖擊力,拽動拖網破碎巖石,然後使用復位彈簧使機構復位,重新工作。
  4. For the convenience of test, varied circuit chip defects caused by the production process are abstracted as all kinds of models. at present the commonly used fault models mainly consist of stuck - at fault, stuck - open fault, bridge fault, store fault, delay fault, etc. testing methods based on voltage testing mainly aim at stuck - at fault model and have also obtained satisfactory result in research for many years. bridge fault is tested easily by quiescent power supply current ( iddq ) testing method. in regard to stuck - open fault that is difficult to testd by quiescent power supply current ( iddq ) and voltage testing, it can is tested by the dynamic current ( iddt ) testing

    為了便於測試,我們將生產過程中集成電路出現的多種多的缺陷抽象為各種模型。目前常用的故障模型主要有:固定故障,開路故障,橋接故障,存儲故障,滯故障等。電壓測試主要針對固定型故障模型,多年的研究也得了令人滿意的結果; cmos電路中的橋接故障則宜用穩態電流測試方法( iddq )測試;對于電壓和穩態電流難以測試的開路故障,可以使用態電流測試( iddt )的方法進行測試。
  5. The instantaneous probability density function of the virtual stochastic process is evaluated, and then the probability density function of the basic random variable is obtained by employing the independent random samples

    利用獨立隨機抽本值,即可獲虛擬隨機過程的概率密度函數,進而獲得隨機變量的概率密度函數估計。
  6. The content of this dissertation include : orthogonal transformation of digital signal ; mathematic model of modulation signals and software - defined radio receiver ; nine feature parameters of the modulation algorithm and threshold of feature parameter ; development procedure of modulation recognition by ccs and the modulation digital signals produced through matlab ; discussion on sampling speed and instantaneous frequency and analysis of experiment " s result

    本文給出了在ccs集成開發環境下調制識別演算法模擬實現的程序設計和利用matlab模擬產生調制信號的方法;分析了調制識別演算法的模擬實驗結果;對采速率的選、非弱信號段判決、頻率的計算以及演算法數據關聯性的簡化等方面進行了研究。
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