sampling experiment 中文意思是什麼

sampling experiment 解釋
抽樣實驗
  • sampling : n. 1. 取樣（品），取標（本）〈指行動或程序〉。2. 樣品，標本。3. 剽竊拼湊歌曲。
  • experiment : n 實驗；試驗；嘗試 （of） a scientific experiment 科學試驗，科學儀器設備。 a new experiment in ed...
  1. The materials as explant in transformation come from birch leaf, stem segment and leaf stalk, and the spider toxin gene was used as foreign gene for this transformation experiment. it showed that the best explant was the big leaf, on which the transformation frequency was 22 %. by gus detection, there were 43 percent of the plants with kanamycin resistance, and 100 percent of positive result, by pcr amplification, was gotten from random sampling

    利用雙元載體的根癌農桿菌lba4404菌株（ agrobacteriumtumefaciens ） ，含質粒pyhy （目的基因及npt 、 gus基因） ，對白樺試管苗莖段，葉柄，葉片三種外植體進行侵染，結果表明：大葉片生長勢強，為轉基因的最優外植體，轉化率能夠達到22 。
  2. In this paper, the operation theory is ntroduced. we research the quasi. synchronous alternative sampling echnology in detail to improve the precision of the instrument and discuss some problem about the plication of this method. we introduce the develop of hardware and software in the whole instrument. at last, we sive out the result of experiment and the analyses of error

    文中論述了該電參數測量儀的工作原理，著重研究了提高測量精度的準同步采樣演算法，並討論了該演算法在單片機中應用的幾個實際問題。在此基礎上，詳細介紹了整個儀器的軟硬體開發過程。最後對儀器進行了實驗和誤差分析，給出了實驗結果和誤差分析結果。
  3. The sampling test and aeromechanics experiment provers that the new formula is able to exactly draw the suitable angle for every shot - putter

    抽樣檢驗和空氣動力學實驗指出，新公式能夠準確地描述出高、中、低各種水平鉛球運動員的適宜出手角度。
  4. The paper initiated electroabsorption modulator replacing the conventional model of sampling optical source and high - speed photonic switching. the novel approach greatly simplified the sampling system and improved the stability and reliability. it has been validated in experiment

    首次提出採用電吸收調制器代替常規的「取樣光脈沖源高速光子開關」的取樣組合，大大簡化取樣系統的結構，提高取樣系統穩定性和可靠性，並進行了實驗驗證。
  5. Extensive experiment on tar cracking was performed on bench - scale tar catalytic cracking test system in itpe. cold trapping was used for tar sampling and gravimetric analysis of tar samples was performed to achieve tar content in flue gas

    在分析該領域研究現狀的基礎上，建立了實驗室規模生物質氣化焦油催化裂解實驗系統，採用冷態捕集方法進行焦油取樣，採用重度分析方法對焦油樣品進行分析以確定煤氣中焦油含量。
  6. The fourth chapter presents a concept of infinite population according to the features of ccga, and designs some particular methods for adversarial problems solving based on this concept. these methods include shared fitness, gene linkage, self - adapted mutation, phantom parasite, elitist population, shared sampling and brood selection. then we give the explanation and argumentation of these methods in theory and in experiment

    第四章根據ccga的特點，提出了無限群體的概念，並在此概念的基礎上就對抗性問題設計了幾種獨特的方法，這些方法包括：共享適應值、基因連鎖、摘要自適應變異、虛幻寄生體、精英群體、共享采樣和同胞選擇等，然後從理論和實驗上對這些方法給予的充分說明和論證。
  7. The content of fixed ammonium, capacity of fixing - ammonium, available fixed ammonium, kinetics of ammonium fixation and release of fixed ammonium of chief upland cultivated soils in hunan province were studied by using the method of field investigation and sampling, laboratory incubation and analyses. the seasonal change of fixed ammonium content in soil and _ its bioavailability in different growth stage of huanghuacai by use of field plot experiment

    本文通過野外調查取樣、室內培養試驗和分析測定，研究了湖南省主要旱耕地土壤的固定態銨含量、固銨容量、有效性固定態銨含量以及土壤對銨離子的礦物固定和土壤固定態銨釋放的動力學特性，通過田間小區試驗，研究了不同施肥結構下土壤固定態銨在黃花菜生長期間的動態變化規律及其生物有效性。
  8. In the section of experiment, we focused on the research of optical system of optical parameter oscillation, computer controlling data sampling closed - circuit system and technology of computer controlling feed - back. in the section of optics, we used present condition to do the experiments about optical parameter effect and got a series of characteristic curve on power transition efficiency and output power

    本文的實驗部分主要側重於智能化光參量系統的光學部分、計算機控制數據採集閉環系統以及計算機控制反饋技術的研究。在光學部分，本論文利用現有實驗條件進行了參量振蕩器頻率調諧的研究，得到了調諧曲線，並做了輸出參量光的能量轉換效率以及輸出功率的實驗，得到一系列特性曲線。
  9. In the experiment, the self - - noise samp1ing system is composed in both of high speed signal processing system and sold state hard - - disk, the underwater vehic1es moves in high and lower ve1oci ty in the lake and the noise data sampling are get using this samp1 ing system

    在本研究課題中，採用了高速信號處理機技術和固態盤存儲技術構造了自噪聲採集系統，並在湖上實驗中採集到了航行體高速和低速兩種狀態下的自噪聲數據。
  10. Optimization design of sampling interval in experiment of model identification

    模型辯識實驗中采樣間隔的最優化設計
  11. One set of equipment for gas catalystic reconstruction developed by us own is illustrated in the following figure, in which tar sampling system is also included. in this thesis, the experiment system : biomass tar catalytic pyrolysis, which overcomes the disadvantage of mixture of some typical compound. and some improvement was made to adapt the characters of tar content of china

    該試驗裝置克服了當前生物質焦油催化裂解研究中採用焦油的某一種組分或者幾種組分的混合物作為其模擬化合物的缺點，以熱解反應器產生的生物質氣為焦油來源，在實驗中對現有的焦油取樣分析方法進行了改進，提出了適合我國生物質特點的焦油成份分析方法。
  12. This article studies how to implement car - weighting dynamically in the situation that the sampling - time is short. the method on the base of pre - experiment knowledge is the kernel method in this article. firstly, studying the movernental and dynamical features that cars behave in the process of car - weighting - dynamically, and knowing that the vibrations are the main factors impacting the measure precision

    本文首先對稱重本體? ?汽車的運動狀態和動力特性進行了深入的分析與研究，並得出這樣一個結論：汽車的振動是影響動態稱重效果的關鍵因素，要想使靜態軸載比較準確的反映出來就必須根據振動產生的原因有效的減緩和消除振動。
  13. The experiment ' s results show that the system is stable under the static pressure control and energy saving under the minimum total supply air volume control. although the terminal dampers ' s tuning time is prolonged under the minimum total supply air volume control, it can be reduced by adopting the appropriate sampling time when debugging the system. from all of this we can conclude thart the minimum total supply air volume control has a good application perspective

    實驗結果表明，定靜壓控制方式下系統較為穩定，最小總送風量控制比定靜壓更加節能，但它延長了末端閥位的調節時間，在系統調試時，我們可通過選擇合適的采樣時間來縮短閥門的調節過程，所以最小總送風量控制具有廣闊的應用前景。
  14. Data sampling and wireless transmitting system based on wlan for locomotive working experiment

    基於無線局域網的機車牽引實驗數據採集傳輸系統
  15. As for this experiment, parameters of all sampling band, including main sampling bands and blind sampling bands " are chosen, in adition, all filter are designed carefully

    其中包括帶通采樣各主采樣帶、盲區采樣帶的各參數確定、濾波器設計以及整體的matlab模擬驗證。
  16. Thirdly, the principle in realization of d / a using on - chip pwm channel in the tms320f2812 - based system is analyzed. some methods of spwm, specially, nonsymmetry regular sampling are studied. avc system based on pwm technology is realized. finally, active vibration control experiment is performed about the first vibration mode of cantilever beam

    三、研究了利用pwm通道實現da功能的工作原理，選用精度相對較高的不對稱規則采樣演算法，利用dec2812設計並實現了基於脈寬調制技術的數模轉換系統，完成了數據採集， ad轉換， pwm波輸出的全過程，並對轉換結果進行了誤差分析。
  17. In order to experiment the application of bandpass sampling theory in digital o - scilloscope, multiple clocks of high quality were required, from whe - re the design of the main oscillation source with alterable frequency came into being

    為實驗帶通采樣理論在數字示波器中的應用，需提供高質量的多種時鐘，由此產生的可變頻率主振源設計。
  18. The experiment results show that the watermark embedded is rather robust to various attacks such as adding noise, rotation, translation, scaling, insecting, down - sampling and some of their combinations

    實驗表明該演算法魯棒性較好，對噪聲、旋轉、平移、縮放、剪切、降采樣及其聯合攻擊的抵抗性較強，並且演算法復雜度較低。
  19. For the operationally cotton monitoring using remote sensing in china ministry of agriculture, a sampling method for linear features extraction and measurement to reduce errors was developed by the authors. the theory approaches and field experiment are introduced in this paper and the results show the method can efficiently improve the results of cotton area estimation using landsat tm

    分析了線狀地物對作物面積提取精度影響的機理，進行了線狀地物扣除實驗方法的技術路線與實施過程研究，經實際驗證該方法可消除絕大部分線狀地物對棉花面積提取精度產生的影響，提高了棉花面積的提取精度。
  20. 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；對采樣速率的選取、非弱信號段判決、瞬時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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