擬穩定的 的英文怎麼說

中文拼音 [wěndìngde]
擬穩定的 英文
quasi stationary
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 4次方是 The fourth power of 2 is direction
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. The experimental method includes selecting pure complexes of histidine - containing or cysteine - containing materials, from c - and n - terminal group of these amino acids to link to a group which have color or fluorescence or ultraviolet absorption, elucidating their binding affinity, fluorescence or uv - visible spectrum properties with zinc at physiological concentration and to elucidate their structure in the solid state via infrared spectroscopy. with the help of the concerned the data, the analysis was done to prove whether it can be applied to the zinc detection, in other words, whether it can be used as a new fluorescence probe for zinc detection

    本實驗首次選用在生物體內與zn ~ ( 2 + )鍵合能力很突出物質? ?組氨酸和半胱氨酸,採用類似於多肽合成方法,在其羧基或氨基分別嫁接上一個帶有標記基團,生成共價鍵化合物;在此化合物中模生理濃度條件加入鋅離子,通過紅外圖譜、紫外圖譜或熒光圖譜變化分析鋅離子對標記基團是否產生影響,再結合有關數據分析其是否適合檢測鋅離子,即是否可能作為新鋅離子熒光探針。
  2. It should be found that in sphere coordinate system the solution covariance is stable and can be used to a simulation / covariance analysis

    經過這種變換后,解算參數協方差是,可進行模協方差分析。
  3. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路設計主要分三大部分來實現:激勵源電路部分,由分頻電路和頻率合成電路組成,產生頻率激勵信號以確保檢測任務正常進行;傳感器變換電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成,主要將電渦流傳感器檢測線圈檢測到信號變換成只含有被測信息離散信號,易於后續電路處理;由dsp晶元構成微處理系統,主要完成檢測系統數據合、顯示及與主機通信等功能。
  4. Experimental result indicates that the kgw - xx radio altimeter can provide steady height data at ultra - low altitude, so it can be used as an altitude sensor of a tow target system, and the height data shows a bigger ladder error that affects the precision of the tow target system

    靜態模測高試驗結果表明:該高度表可在超低空狀態下提供高度數據,可以作為某型拖靶系統高度傳感器;該高度表提供高度數據存在著較大階梯誤差,將影響拖靶系統恆高精度。
  5. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場中,模結果表明,保壓時間是影響製件成形質量關鍵因素之一,擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場影響也很大,需進行參數之間協調,只有當變形區內部始終維持準固態時,才能實現液-固擠壓成形過程;在變形場中,根據液態浸滲擠壓成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場變化規律,研究了模角對變形和金屬流動影響及變形力變化過程和其影響因素。
  6. A two - dimensional double diffusive laminar natural convection in rectangular enclosure is detailed analyzed. the results show that when the thermal and solutal buoyancies aid each other, the airflow consists of one main cellular structure and is steady, regardless of the relative strength variation between the heat and pollutant sources. there are multiple flow structures, however, according to the relative strength when the buoyancies opposing each other

    結果表明雙擴散自然對流系統空氣流動與傳熱傳質特性完全是由離散熱源與污染源浮升力之間相互作用關系訣:當離散熱源與污染源浮升力協同作用時,自然對流呈比較單一流動結構;而當熱源與污染源浮升力對抗作用時,自然對流系統隨它們之間強度變化呈現出多種流動狀態。
  7. The main scope of bcpa s business entrusted by the chinese - foreign joint ventures, the chinese - foreign contractual joint ventures, the foreign capital enterprises and other foreign economic organizations, big and medium sized state enterprises, share - holding companies with limited liability and companies with limited liability, to prepare feasibility s study and analysis for investment and development projects of enterprises ; to undertake assets valuation ; to verify the capital of enterprises ; to formulate accounting systems ; to design computerized program for accounting ; to keep accounts for clients ; to offer consultation service and prepare tax returns for clients ; to audit accounting statements for enterprises ; to audit statements of securities business ; to undertake the auditing work of enterprises in their merger, separation and liquidation ; to do the required auditing when the legal representative of an enterprise leaves his her post ; to serve as the standing accounting advisers for enterprises ; to help draft contracts, articles of association and economic documents ; to prepare analysis of economic activities and forecast of operating activities ; to train accounting financial management personnel and to examine evidences in economic cases, etc. by offering high efficiency, fine quality and comprehensive service and outstanding performance bcpa has gained the confidence o its clients and established good and stable and 3, 000 clients

    本所業務范圍主要是:接受中外合資中外合作外商獨資和其他外商經濟組織,以及國有大中型企業股份有限公司有限責任公司等委託,為企業投資開發項目進行可行性研究分析承辦資產評估驗證企業資本設計會計制度編制會計電算程序代理記帳提供咨詢服務稅務代理服務受理企業會計報表審計證券業務審計企業合併分立清算事宜中審計企業法人離任審計為企業承擔常年會計顧問協助合同章程和經濟文件經濟活動分析和經營活動預測培訓會計財務管理人員以及鑒證經濟案件等項業務。本所以高效優質全面服務,卓著業績取得了廣大客戶信任,與3000餘家客戶建立了良好合作關系。
  8. Most modern radars are a high resolution system, which uses amplitude and phase information to achieve main function. in order to evaluate the performance of a radar, the radar simulator, as an important part of a radar verifying system, must possess good characteristics, and its output signal must have high stability and accuracy

    雷達模器作為驗證雷達性能重要設備它研製與開發也成為我軍裝備現代化重要課題。為了逼真實戰情況,雷達模器必須提供大動態、高精度信號。
  9. Beven 18 suggested that when it is applied in its original form to a river basin with thin soils over an imperme - able base, the quasi - steady state approximation holds. however, he also noted that for a variety of alternative transmissivity profiles, or when the saturated depth of the aquifer is large, the deviation in the actual shape of the water table from a steady - state shape can be both large enough and last long enough to call into question the assumption of quasi - steady dynamics

    Beven 18也也指出這種「地下徑流機制雖然能夠較好地應用於那些不透水層之上土壤厚度比較薄流域,但對于那些非飽和土壤層厚度隨空間變化較大也就是地下水位變化比較大,或者潛水面厚度較大流域,使用這種「線性」topmodel地下徑流機制就容易產生問題
  10. The influence of swinging ship to los is analyzed in detail. the tracking precision of the shipborne tv tracker will be improved greatly when the feedforward signal otship swaying is measured by rate gyro

    本文詳細分析了艦船搖擺對視軸影響,通過理論推導和模分析論證了採用速率陀螺測量並前饋艦船搖速度信號將極大提高艦載電視跟蹤儀跟蹤精度。
  11. The paper makes simulation for each type of electro - hydraulic regulating system of turbine. the results of simulation show that for the francis and kaplan turbines the contradiction between regulation time and pressure increasing can be solved by logical chosen of feedback adjustment coefficient and control cost - weighting matrix. for tublar turbine the dynamic matrix pi control scheme can effectively solves the difficulty of speed stabling of this type turbine

    本文對各種機組調節系統進行模,結果表明,對于混流式和軸流轉漿式機組,通過反饋校正系數和控制權矩陣正確選擇,可以解決調節時間和水擊壓力上升矛盾;對于貫流式機組,提出了動態矩陣pi控制方案,可以較好解決此類機組轉速難以問題。
  12. Comprehensively discuss the issues in application, adaptive condition and performance, propose a fast arithmetic of forward modeling and depth migration in common shot gathers with one - way acoustic wave equation based on vrselrf, and verify the arithmetic by numerical simulation. concisely discuss the cause of the creation of evanescence and the problem of lateral amplitude discontinuity result from it. fourthly, use the reflectivity model, computed to describe the fracture model, with the formula of computation reflectivity based on elastic - acoustic approximation, and the wavelet model computed by the method, wavelet creation with fourier transform, we proposed, in conjunction with vrselrf wavefield extrapolation operator

    第三,將頻率波數域變參考慢度rytov近似廣義屏波場延拓運算元( vrselrf )應用於疊前與疊后正演模、疊前與疊后深度偏移,對演算法應用中應注意問題、適用范圍、性能等作了較為全面論述;提出了基於vrselrf單程聲波方程共炮記錄正演模和深度偏移快速演算法,並通過數值模試驗對演算法進行了驗證;簡要地討論了倏逝波產生原因及其帶來橫向振幅不連續性問題。
  13. It is well known that more stable empirical distribution could be obtained only by a large number of simulation replicates

    很顯然,經驗分佈依靠于大量重復。
  14. In the paper, a bp networks is founded to show the relationship of the box girder dimensions and load ' s peculiarity with the parameters of fitting

    本文利用bp網路來建立合參數與箱梁模型幾何尺寸、載荷特性等之間非線性映射關系,通過網路自學習功能得到網路。
  15. Using the theories of probability, algebra and number theory comprehensively, we investigate a class of boolean functions with three - valued walsh spectrum in the first part of this dissertation : the properties of the extended semi - bent functions, which are constructed from any two bent functions, are studied, followed by the structure characteristics of the boolean functions satisfying propagation criterion with respect to all but two vectors ; the definition and cryptographic properties of k - order quasi - bent functions are proposed whose walsh spectrum takes on only three values. some sufficient and necessary conditions are offered to decide whether a boolean function is a k - order quasi - bent function ; a special method is presented to construct the k - order quasi - bent functions, whose cryptographic properties are explored by the matrix method, which is different from the method of walsh spectrum and that of autocorrelation of boolean functions ; the application of this kind of boolean functions in the fields of stream cipher, communications and block ciphers is discussed, which shows the great importance of the fc - order quasi - bent functions ; some methodology are proposed to construct the k - order quasi - bent functions, including the complete construction by using the characteristic matrices of boolean functions, and the recursive method by two known k - order quasi - bent functions we further extend our investigation to the ring zp, where p is a prime, and the similar results are presented as far as the p - valued quasi - generalized - bent functions are considered

    本文首先綜合運用概率論、代數學、數論等基礎學科理論知識,並以頻譜理論作為主要研究工具,對一類譜值分佈相對均勻函數? ?廣半bent函數、 k階bent函數和p值k階廣義bent函數進行了系統、深入研究,給出了廣半bent函數義,並探討了廣半bent函數密碼學性質;給出了k階bent函數和p值k階廣義bent函數義及等價判別條件;討論了k階bent函數和p值k階廣義bent函數與部分bent函數和p值廣義部分bent函數關系,探討了它們密碼學性質;給出了k階bent函數和p值k階廣義bent函數典型構造方法,並將對k階bent函數密碼性質研究轉化到對一類特殊矩陣研究上;利用布爾函數特徵矩陣原則上給出了k階bent函數一種完全構造方法,還給出了從已有p值k階廣義bent函數出發,遞歸構造變元個數更多p值k階廣義bent函數方法;初步探討了k階bent函數在序列密碼、分組密碼以及通信中應用;給出了一類布爾函數walsh譜分解式,並利用這類布爾函數walsh譜分解式給出了一類近似布爾函數構造,特殊情形下為k階bent函數;利用代數數論知識考察了p值k階廣義bent函數譜特徵,並給出了k階廣義bent函數與所有仿射函數符合率特徵等等。
  16. To deliver effective output and outcome to meet the funding service requirements of funders. develop plans and actions to ensure sustainable financial viability of the council

    提供有效業務成果,達到撥款機構所訂資助服務要求,並計劃及行動,確保社聯有財政支援。
  17. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外低電壓低功耗技術做了廣泛調查研究,分析了這些技術工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時,為了使輸入共模電壓范圍達到軌至軌,不是採用傳統差動輸入結構,而是採用了nmos管和pmos管並聯互補差動輸入對結構,並採用成比例電流鏡技術實現了輸入級跨導;在中間增益級設計中,電流鏡負載並不是採用傳統標準共源共柵結構,而是採用了適合在低壓工作低壓寬擺幅共源共柵結構;在輸出級設計時,為了提高效率,採用了推挽共源級放大器作為輸出級,輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放設計,採用了帶電流鏡負載差分放大器設計了一個基準電流源,給運放提供偏置電流和偏置電壓,保證了運放性;並採用了帶調零電阻密勒補償技術對運放進行頻率補償。
  18. After introduced its task and construct of the controller of the homing gliding missile, the longitudinal and lateral motion equations are provided. a continuous fuzzy - pid control system combined the advantages of fuzzy control and pid control is presented, and could be guaranteed the stability of the system using popov stability criterion. the results of simulation show that the fuzzy - pid control is able to provide a better relative stability and robustness, also have better dynamic and static characteristics than the pure pid control

    將模糊控制和pid控制相結合,研究了一種基於模糊pid連續控制器,利用波波夫判據判該控制器是漸進,並將其應用於制導滑翔彈俯仰角、偏航角、滾轉角迴路中,設計模結果表明,該種連續控制器可使系統獲得很好性和魯棒性,動、靜態性能比單純pid控制都有較大提高。
  19. An optimal hankel norm approximation model reduction method is used to reduce the equations of motion to lower order size. it is shown that the method is steady, efficient by numerical emulating. firstly, the influence of viscoelastic layer thickness and material properties, piezoelectric actuator layers thickness on the vibration suppression are investigated

    採用最優hankel最小階逼近降階法對主被動混合阻尼結構控制狀態方程進行降階,以附加主動約束阻尼層梁結構為例,進行了數值模,結果表明:該方法是一種、高效、魯棒性很好降階方法。
  20. To identify the model parameters of controlled esvrst system on line, the recursive extended least square with variety forgetting factor is used, which makes the control system possess anti - disturb ability obviously and unchangeable precision of stochastic waveform reappearance

    本文提出了用變遺忘因子增廣最小二乘遞推演算法在線識別電液伺服汽車道路模試驗臺被控系統模型參數,使控制系統在實現波形再現時具有顯著抗干擾能力和波形再現精度。
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