高頻過程 的英文怎麼說

中文拼音 [gāobīnguòchéng]
高頻過程 英文
high frequency process
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • 高頻 : high frequency
  • 過程 : process; procedure; transversion; plication; course
  1. In this study, the stem segments of new shoot with axillary buds of well - growth tetraploid black locust trees were used as explants. the effects of different basic mediums, different hormone kinds and their concentrations ratios, different sucrose concentrations on calli induction, buds differentiation and rooting in the process of establishment of high frequency regeneration system of tetraploid black locust were studied. on the base of high frequency regeneration system, the effects of various factors on transformation efficiency of badh mediated by agrobacterium tumefaciens were discussed in the light of gus histochemical assays

    本實驗首先以生長良好的四倍體刺槐優株上當年生新梢的帶腋芽莖段為外植體,研究了在四倍體刺槐再生體系的建立中不同基本培養基、不同激素濃度及其配比、不同蔗糖濃度對愈傷組織的誘導、芽的分化及生根的影響;然後在得到再生體系的基礎上,通農桿菌介導法轉化甜菜堿醛脫氫酶( badh )基因,以gus染色組織分析為依據探討了影響轉化效率的各種因素,建立了效、可重復的基因轉化體系,為四倍體刺槐目的基因的導入打下了基礎。
  2. Used continuous high frequency 40khz and filter power to have excellence performance. no damage in cleaning operation

    利用連續40khz及濾波功率驅動,效果超卓,物件在清洗不會受損
  3. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對分子絮凝黃河泥沙,對絮凝作了一些符合試驗條件的假設,建立了顆粒碰撞率表達式,應用了顆粒數量平衡方,從而建立了絮凝的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝中絮體數量和尺寸分佈的變化;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定度上能夠反映分子絮凝黃河泥沙生成的絮體結構。
  4. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通信帶資源緊張,音傳輸帶寬有限且復雜多變,而各種音數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音信號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的,在速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。
  5. Then, i design a new signal processor basing on the development of hardware and the signal process of high frequency ground wave over - the - horizon radar

    接著,根據當今數字信號處理器件的發展和地波雷達的信號處理,提出信號處理機的系統設計方案。
  6. The dissertation aimed at designing a new signal processor basing on the development of hardware and the signal process of high frequency ground wave over - the - horizon radar. after that, basal signal software of dsp, a important part of processing card, is designed

    本課題目的就是根據當今數字信號處理器件的發展和地波雷達的信號處理,提出信號處理機的系統設計方案,然後對其中信號處理板中的主要處理部件dsp進行基礎軟體的開發。
  7. High frequency radar is also a high frequency ground wave super resolution radar used on the seaside, and meantime it is one of projects of national 211 for building subject. this paper based on high frequency radar and modern signal processing describes the component of the high frequency radar on function and hardware. the signal that the radar system used mostly decides the capability and the complex of the radar

    雷達系統所用的信號體制、信號形式決定了在很大度上決定了雷達的性能指標,雷達系統的復雜度,本文主要研究基於軟體雷達的多體制信號的數字化產生與接收,目的在於產生一種或者多種能夠軟體雷達所適用的信號,並且這種信號不會給小型化的系統處理帶來復雜性。
  8. Based on the special load of the contactless system, this paper analyses and contrasts the principle and feature of the series and parallel resonance circuit. design the high frequency full - bridge series resonance converter and make the main circuit apply to the contactless electrical power deliver system and analyses the process of the main circuit in detail

    根據無接觸電能傳輸系統特殊的負載特性,詳細分析並對比了並聯和串聯逆變器的工作原理及電路特點,設計出應用於無接觸系統中的全橋串聯諧振逆變器的拓撲結構,進而設計並製作了系統的主電路,詳細的分析了主電路的工作
  9. Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch

    文摘:討論了在大相位失諧下,基波為率啁啾脈沖的二次諧波產生,結果表明選取合適的啁啾參量可以使二次諧波的光強提,但同時會使其波形和相位發生變化.三波相位的畸變主要取決于入射的基波啁啾脈沖,而與相位匹配的失諧量關系不大
  10. A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt

    本文提出了基於單光纖光強度反射法的非接觸式微振動測量系統的原理,並設計製造了該測試系統,探索出了簡單方便可靠的測量方法,能夠準確客觀地反映蔭罩振動的各項參數(各振動模的振動率、振幅、衰減時間) ,實現了測試裝置的簡便化和測試的自動化,為cpt張緊式蔭罩系統的性能改進與顯示質量的提提供了有效的測試分析手段。
  11. When high - bandwidth star sensor measurements are available, according to the singer tracking model, the full angular acceleration is modeled as a first order markov process while the use of the attitude dynamics is totally avoided

    在能夠獲得星敏感器測量的情況下,針對模型不確定問題,提出了一種基於singer模型的新的濾波演算法,把角加速度建模為一階馬爾科夫,從而避免了使用姿態動力學模型。
  12. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍光能量密度,推導出通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方組。
  13. The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

    這種方法的實質是在監控特權進的正常系統調用基礎上建立正常行為模糊子集a ,用檢測到的實時調用序列建立模糊子集b ,然後用模糊識別方法中的最小距離原則進行檢測。本文的創新點是:通對特權進的系統調用及參數序列的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能有效降低漏報率和誤報率,而且使實時入侵檢測成為可能;設計有獨立而完整的特徵數據庫,根據被監控序的類別,分別設計正常行為、異常行為等,提了檢測系統的強健性和可伸縮性;特徵數據庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行度優先原則,優先分析和處理信息表中的度行為特徵,提檢測的速度和效率,使實時入侵檢測成為可能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。
  14. To show the applicability of the proposed algorithm for engineering problems, the thesis computed the radiated electromagnetic field of a switched mode power supply, with special attention on the analysis of the emi in the electronic control circuit. different numerical results and two valuable guidelines are drawn

    從而以實際開關電源為工背景,通開關電源產生的輻射電磁場的分析,重點計算了該開關電源控制迴路處的主要電磁干擾,得出了相應的數值計算結果和可供實用參照的結論。
  15. The form display in chinese and can be operated easily. i has done the following works : ( 1 ) have innovated a computer control system of double - side automatic tig erect welding of aluminium alloy ; ( 2 ) analysed the key technics of the control system completely ; ( 3 ) designed the computer control system ; ( 4 ) solved some possible existing craftwork problems when welding the aliminium alloys ; ( 5 ) solved the existing problems of erect welding such as gravity ; ( 6 ) by the designing of hardware and software, the paper has solved the problem of high frequency interference to the computer control system, such makes the system work steadily ; ( 7 ) established the mode of imitating the dynamic process of welding

    本文主要在如下幾個方面做了一些工作: ( 1 )本文創新性地設計了鋁合金雙面自動tig立焊計算機控制系統( 2 )全面地分析了控制系統實施中的關鍵技術; ( 3 )微機控制系統的設計; ( 4 )解決鋁合金在自動焊接中工藝上可能存在的問題; ( 5 )解決立焊工藝中由於重力等導致的問題; ( 6 )通硬體和軟體的設計,克服干擾,從而確保控制系統的可靠性; ( 7 )設計的控制系統可以完成定位焊接,自動焊接和模擬焊接; ( 8 )焊接動態的辯識建模及系統模擬。
  16. Arithmetic figure that new dvd that conduct and actions world the adoption arithmetic figure of the first style see the port dvi port to broadcast, three stars the dvd - hd938 to can output to have not yet the compression to see the signal, but have no to need to pass by few molds the conversion process, from but avoided the loss of the painting quality with lose true, deliver the real arithmetic figure signal to television the dvi port is a high take the ieee1394 port breadth port, its deliver the speed to attain 5 gbps, is more than ten times to deliver the speed. at the same time, need not proceeding of port of adoption dvi few mold conversion, can avoid to convert what process result in to lose true, from but real realizes the arithmetic figure deliver

    作為世界第一款採用數字視埠dvi埠的新型dvd播放器,三星dvd - hd938能夠輸出未經壓縮的數字視信號,而無需經數模轉換,從而避免了畫質的損失和失真,向電視傳輸真正的數字信號dvi埠是一種帶寬的埠,其傳輸速度達到5gbps ,是ieee1394埠傳輸速度的十幾倍。同時,採用dvi埠不用進行數模轉換,可以避免轉化造成的失真,從而真正實現了數字傳輸。
  17. 5. a multivariable process identification based on asymptotic black - box theory is studied. firstly, a high - order mimo arx model and its frequency error bound is estimated from identification data and low - order siso models is obtained from high - order mimo arx model

    作者對一種基於漸近黑箱理論的多變量辨識方法進行了研究:首先用階arx模型估計模型參數,並給出階模型的域均方誤差;然後,對階arx模型進行降階處理。
  18. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的部分,根據其分佈特性和人眼的視覺特性,採用視覺模型對零樹量化的閾值進行修正,有效地去除視覺冗餘;對各子圖採用多級樹集合分割的零樹編碼方法,有效地利用系數編碼剩餘符號,進一步提壓縮比。
  19. We are able to analysis more carefully the institutional influence of trading and the change of investment strategy by utilizing the high - frequency intraday trading data

    採用日內數據進行研究,減少了信息滲漏,因此對交易中的制度影響、投資者的投資策略變化等內容的分析將會更加細致深入。
  20. It shows that when walk - off and diffraction effects could be ignored approximately estimation of the phase distribution of second - harmonic wave could be done. the far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. the phase distribution of both fundamental and harmonic wave is measured using hartmann - shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively

    這說明利用非線性光學率變換方法拓寬波前傳感器件的響應波段是很難實現的,但是,通常三波相互作用的研究均是建立在平面波和理想斯光束之上,因此我們對于位相畸變倍的研究是非線性光學領域一個重要而有意義的新課題,它有助於人們更加深入理解非線性光學效應,為進一步合理利用之奠定了理論和實驗的基礎。
分享友人