限幅點 的英文怎麼說
中文拼音 [xiànfúdiǎn]
限幅點
英文
clipping point-
Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete
4 、應用大幅度轉動約束單元、非線性彈簧阻尼單元、三維五節點接觸單元分別模擬自行火炮履帶板之間的轉動約束連接、懸掛非線性振動及負重輪與履帶板之間的接觸和履帶板與地面的接觸問題；根據材料非線性理論，提出利用drucker ? prager材料建立土壤的非線性有限元模型。The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher. ( 4 ) antiplane surface motion of the underground circular soft inclusion and the underground homogeneous soft interlayer is investigated in this paper. the results indicate : surface displacement amplitudes just above the soft inclusion of small depth - to - width ratio is amplified and soft interlayer of small depth - to - thickness ratio is amplified to a certain degree, and moreover, the latter is lower limit of the former
結果表明：垂直入射時，小深寬比軟夾塞上方地表位移幅值有較大的放大，小深厚比軟夾層的地表位移幅值也有一定的放大，且後者為前者的下限；波接近掠入射時，軟夾塞正上方地表點和軟夾層的中國地震局工程力學研究所碩士學位論文一地表位移幅值都沒有放大，而軟夾塞迎波面一側地表點的位移幅值會有一定的放大；軟夾塞上方的地表位移運動有較強烈的扭轉效應，且此扭轉效應隨入射波頻率的增高而增強。By emptying the above mentioned theoris and conclusions, this paper introduces detailedly the whole process of the compare and selection of cangzhou city gongrong road canal bridge ' s plan, design calculation and check of structure. the internal force calculation of the bridge adopts the program of plane member system ( bricas ), and it was checked by the program of brcad
本文最後應用上述理論和結論，以大量篇幅詳細介紹了滄州市光榮路運河橋（下承式鋼管混凝土系桿拱橋）從方案比選到結構設計和計算、驗算的全部過程，以及施工中的要點，本橋內力計算採用平面桿系有限元計算程序， （交通部公規院的《橋梁設計綜合計算程序》 （ bricas4 . 0 ） ） ，並採用空間有限元程序（ brcad2 . 0 ）進行驗算。Thirdly, the relative theories of the limiter and rectifier are studied. in order to make the passive responder work stably under the conditions of large dynamic range of the receiving power and the high efficiency requirement, a two - stage limiter circuit and a voltage - doubler rectifier circuit with several diodes parallel are developed
3 ，對應答器地面裝置中的能量轉換電路進行了研究，針對應答器地面裝置接收到的載波功率具有大動態范圍的特點以及系統能量轉換的高效率要求，設計了一種兩級級聯二極體限幅電路和多管並聯的倍壓整流電路。The one - dimension effective fpk equation of colored noise serves as our starting point to evaluate the effect of noise color on communication system design. the theory of ber versus input snr per bit is developed and a new procedure to determine the system parameters that influence the minimum ber is proposed. it is shown that the communication system ' s performance is related to the turnable system parameters as well as the noise correlation time
在指數相關高期色噪聲情況下，本文以一維有效色噪聲fpk方程作為研究的出發點，理論分析了限帶高斯色噪聲通道中脈沖幅值調制數字信號傳輸的誤碼性能，給出了非線性接收器的接收性能曲線，充分體現了噪聲相關時間的影響。Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented
模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。In this paper, the writer explores to make it clear for people to understand the criminal offence in conspiracy by untypical underworld society in four aspects including the conception and basic features of the untypical underworld society, the component elements of the criminal offence in conspiracy by untypical underworld society, the affirmation of such criminal offence and the penalty upon it, in the light of theoretical research and positive analysis. the conception of the untypical underworld society in china is summarized in comparison with the notion of " society ", " untypical underworld society " and the " features " of the untypical underworld society in china. the writer elaborates, when describing the features of the untypical underworld society, such features as " highly - organized ", that " there exists a sphere of influence in a certain district, or in a certain trade or profession, and illegal control is executed within the sphere of influence ", " with actual economic strength in pursuit of economic benefits ", " political infiltration into governmental organs with antagonism ", " decaying culture " and " the compatibility in the measures of criminal offence "
在論述黑社會性質組織的概念時，結合「社會" 、 「黑社會」的特點和我國黑社會性質組織中「性質」的來源，最後概括出我國黑社會性質組織的概念；在論述黑社會性質組織的特徵時，本文從黑社會性質組織所具有的「比較高的組織化程度」 、 「在某一地區或某些行業具有一定的勢力范圍，並在該范圍內形成非法控制」 、 「以追求經濟利益為主要目的，具有一定的經濟實力」 、 「對政府的滲透，政治上的對抗性」 、 「文化上的腐朽性」 、 「犯罪手段上的兼并性」等方面進行闡述，特別是在「對政府的滲透，政治上的對抗性」採用大篇幅論述，並提出國家工作人員的「保護傘」既包括「包庇」又包括「縱容」 ，特別是在「縱容」方面提出了一些新的觀點；在論述黑社會性質組織犯罪構成特徵時，從犯罪的主體、侵害的客體、犯罪的客觀方面、主觀方面進行了詳細敘述;在論述黑社會性質組織犯罪的認定時，主要從黑社會性質組織與相關范疇的界限、黑社會性質組織罪的司法認定兩個方面來進行的;在論述黑社會性質組織犯罪的刑事處罰時，提出了對各種組織、領導、參加黑社會性質組織行為的處罰原則，並對提高該罪的量刑幅度及增設財產刑提出了立法建議。Through statistic sampling and constructing the statistics with the comprehensive magnitude of spectrum, the alarm limit of comprehensive mal - functions can be determined in accordance with the 3 rule
對實時監控系統採集、記錄的實測數據進行抽樣，用樣本譜線綜合幅值構造統計量，採用3規則確定了測點綜合故障報警限。It is introduced the structural design, working principles and performance of the four circuits of the module, i. e. synchronous circuit, trigger - transmitter circuit, clipping - amplifying - detection circuit and gain control circuit
文中主要介紹了構成該電路模塊的同步電路、觸發發射電路、限幅放大檢波電路、模塊增益調節電路等4種電路的結構設計、工作原理及性能特點。It is shown by structural seismic response of four wavelets that littlewood - paley wavelet is not suitable for structural seismic response, because structural response is too small, meyer wavelet is a better wavelet for structural seismic response, for it ' s structural response is agreement with the finite element method, and also harmonic wavelet, structural response under earthquake is a little bigger than finite element method, structural response under odd exponent wavelet is also bigger than finite element method, this method is very simple by wavelet transform, wavelet transform method is different from old methods, one is with which not only knows the effects of earthquake wave detail frequency - band on structural response, but also considers earthquake wave ' s non - stationary of frequency and time - domain value, another is the second mode shape and higher mode shape response that do n ' t attenuate so fast
通過對這四種小波的結構地震反應分析研究說明： littlewood ? paley小波不適合於用來作結構地震反應分析，因為在littlewood ? paley小波下的結構地震反應太小，不符合實際情況；用meyer小波作結構地震反應分析比較合適，和有限元法的結果比較接近；也可以用諧波小波來作結構地震反應分析，只是在諧波小波下的結果略為偏大；單邊指數小波下的結構地震反應分析比有限元法稍大一點，它通過小波變換大大簡化了結構地震反應分析。用小波變換方法來進行結構地震反應分析和以往方法不同的是：它不僅可以知道地震波的具體頻率段對結構反應的影響，而且同時考慮了地震波的幅值非平穩性以及頻率非平穩性；另外與以前方法得到的結果有差異的是，第二振型及以後的高一點的振型的反應沒有以前的方法衰減得快。The algorithm have the good one - way property, high sensitivity to initial values and good security due to the intrinsic characteristic of chaotic system and rijndael algorithm. the simulation experiment demonstrates the convenience and good hash performance ; 3 ) a new scheme of digital voice secure communication was proposed based on chaotic modulation without additional synchronization. the modulation sequence generated by chaotic logical mapping was used to encrypt the digital voice signal
混沌系統和rijndael演算法的固有特點使該演算法具有較好的安全性、對初值有高度的敏感性以及較好的單向性能，並且易於實現，是一種有效的單向hash函數； 3 ）研究了一種無需同步的基於混沌調制的數字語音保密通信系統的方案，利用邏輯映射產生混沌調制序列，以該序列作為密碼對數字語音進行加密處理，為了更好的隱匿信號特徵，混沌調制在小波分解的基礎上，對不同的通道使用不同的參數進行，並借鑒混沌掩蓋對信息信號進行了限幅處理，使密文完全隨機化。Aiming at wide variations in loads and moment of inertia, large disturbed moment of a permanent magnet synchronous motor position servo system, and the problem of velocity limit to uniform sliding mode control, a cascaded compound slide mode controller was proposed and designed for permanent magnet synchronous motor position servo system
摘要針對某永磁同步電動機位置伺服系統負載力矩和轉動慣量變化大、干擾力矩強的特點，以及統一滑模變結構控制速度限幅的難題，提出並設計了串級復合滑模變結構拉制器。First, the working principles of the combustion control system of marine main boiler in present use and its disadvantages are discussed in the paper ; in the light of the structure and motion traits of marine main boiler, the combustion control systems of single and double cross amplitude limits are designed. at the same time, the schematic diagram of system and recovery curves of some relative parameters are given, the system working principles and its advantages and disadvantages are discussed. based on the combustion control system of dual - crisscross amplitude limit, by selecting the independent variable, the fixed offset is improved into variable offset, the combustion control system of variable offset dual - crisscross amplitude limit is designed
首先討論了目前船用主鍋爐燃燒控制系統的工作原理及存在的不足；針對船用主鍋爐的結構及運行特點，設計了單交叉限幅燃燒控制系統和雙交叉限幅燃燒控制系統，同時給出了系統原理圖及有關參數的過渡過程曲線，討論了系統工作原理及優缺點；在雙交叉限幅燃燒控制系統的基礎上，將固定偏置經過自變量的選取，改進成變偏置，設計了變偏置雙交叉限幅燃燒控制系統，給出了系統原理圖及有關參數的過渡過程曲線，同時也給出了空氣壓力和燃油流量正負偏置函數與變偏置折線函數的關系式。Then the behavior of the free joint when we bring the periodic perturbation through controlling the actuated joint is analysed, we can find in the result that the behavior of the free joint in the phase plane follows an ordered closed trajectory with the center equilibrium point + 2 in the case where the amplitude of the input is small, we can define a weakening factor to make the position of the free joint reach the center equilibrium point + 2
通過相平面分析的方法分析了當驅動臂施加周期擾動對非驅動臂運動的影響，其結論為通過調整驅動臂周期擾動的幅度及極性，可以使非驅動臂沿著圍繞平衡點2的極限環軌跡運動。在此基礎上，提出衰減因子的概念，通過衰減因子調整驅動臂擾動的幅度和周期，使非驅動臂能夠穩定在平衡點2 。Hktc ' s local telephone charges are regulated by a price - capping mechanism which limits any annual increase to four per cent below the prevailing rate of inflation
香港電話公司的本地電話收費，受到收費增幅上限機制的規管。這個機制把該公司的每年收費增幅，限制至當時通脹率減4個百分點的水平。I myself have tried to use limited elements such as the dot, the line, the plane, and various colors to form protean pictures, and open up the picture frame so as to achieve a three - dimensional effect in the combination of dots and lines
我自己長期探索用點、線、面，黑、白、灰及紅、黃、綠有限數種元素來構成千變萬化的畫面，展拓畫幅，在點、線的疏密組合中體現空間效應。This paper goes on with analysis of the phased array radar calibration theory and compare of different schemes, then the best is adopted. 2 mhz digital circuit mainly composed of dds ( direct digital synthesis ) chip, which carries out the shift of the phase and the limit of the amplitude, has been designed and debugged successfully. it is used to substitute for the conventional phased shift circuit and amplitude limiting circuit which work at the radio frequency, so the all - digital transmit channel of phased shift array radar is achieved
本論文研究的重點是：針對傳統相控陣雷達系統收發（ t r ）組件中的移相和限幅功能均在射頻段完成，大膽利用直接數字合成（ dds ）晶元組成頻率在2mhz左右的數字電路代替傳統相控陣雷達在射頻段進行移相和限幅的電路，從而組成全數字發射通道，使對相位和幅度的控制和調試更方便快捷，並設計具體的電路驗證此方案的可行性。Materials with strong two - photon absorption ( tpa ) are currently attracting considerable attention in the chemistry, photonics and biology communities because of their potential applications in optical power limiting, upconverted lasering, three - dimensional datastorage, nondestructiveimaging and photodynamic therapy
強雙光子吸收材料由於在激光限幅、雙光子上轉換激射、三維信息存儲、生物體三維成像、光動力學治癌等方面具有誘人的應用前景，成為材料化學、光子學、生物學等領域的關注熱點。The system inherits the advantages of the combustion control systems of single and double cross amplitude limits, having overcome the disadvantages. it not only guarantees the system response performance of change in load, but also takes into account the economic performance of the system
該系統繼承了單交叉限幅燃燒控制系統和雙交叉限幅燃燒控制系統的優點，克服了不足，在保證系統變負荷響應性能的同時，還兼顧了系統的經濟性能。The main feature of imc is that its feedback is not the response of the controlled system but the error between the model output and the plan output
內模控制的鮮明特點是，它的反饋量是模型誤差，而不是系統響應；另一方面，實際的控制系統一般存在控制量的限幅。分享友人