相位等化 的英文怎麼說
中文拼音 [xiāngwèiděnghuà]
相位等化
英文
phase equalization-
The near - stoichiometri litao3 has excellent speciality, such as high efficient conversion, tune conveniency, biger size and high damnify value etc. in this dissertation, the theory of quasi - phase - matched ( qpm ) technology and optical parametric oscillation ( opo ) was expatiated and studied first
近化學計量比litao3 （ slt ）晶體在做參量振蕩方面具有轉換效率高、調諧方便、尺寸大、損傷閾值高等非常好的特性。本文首先對準相位匹配技術和光學參量震蕩器的理論進行了闡述和分析。First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array
首先以單脈沖相控陣天線測角原理為基本理論出發點，利用相位控制的坐標分離技術，基於線陣、圓形陣等簡單形式的相控陣天線，推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。We can get electron density with the calculated phase and some common model formula ( such as sphere and cone ) in the wake of hypervelocity projectiles
由計算出的相位並根據彈道靶尾跡的一些常用模型（包括圓球體、鈍錐體等）公式，把相位轉化為尾跡的電子密度。Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion
文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。Based on the effectiveness of these therapies using physical light and sound, we can infer that meditation on the inner light and sound is not only important for our spiritual development, but also has substantial effects on our mental and physical well - being, including enhancing cell function, eliminating unhealthy cells, stabilizing and preventing deterioration of the nervous system, curing nervous diseases, and stimulating acupressure points. it can also improve sleep patterns and cure depression and anxiety. we believe that there are more healing functions of light and sound waiting to be discovered by scientists
從這些利用外在物質的光和音所做的治療，我們可以間接推論到我們打坐觀內在光和音除了在靈性發展方面非常重要之外，對心理及生理方面也有許多實質上的效益，例如：增強正常細胞的功能，消除不健康的細胞，穩定神經，治療神經發炎神經退化之癥狀刺激穴位等等，還可以改善睡眠品質，治療憂郁焦躁等心理癥狀，相信還有更多效益有待科學界去印證。The former was related to mn doping, both of p - carries supplied by la3 + or oxygen hole and n - carries induced by changing mn4 + into mn3 + can be locally displaced and simultaneously response with external electric field., furthermore due to the overlaps between positive and negative carries. the latter was due to the phase transformation between orthorhombic and cubic, which was in fact the curie point
前者為la ~ （ 3 + ）和氧空位等產生的p型載流子和mn離子變價引入的n型載流子在外電場下發生局域重排產生的載流子極化，且由於正負載流子的迭加效應所致，該介電峰與mn離子的摻入相關；後者為體系出現相應的正交與立方結構的轉變所致，也即居里點。The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中，首先介紹模數轉換器的各種參數的意義，以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案，引入級聯結構調制器，特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器，調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計，包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等，並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後，利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。Phase array radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction. therefore, phase array radar is fit for the necessity of combat readiness
這種雷達通過電的方式控制天線孔徑面上各輻射單元的相位變化，以實現波束的快速掃描，使其具有靈活、變化快速、多功能等優點，適應戰備需要。Groundwater treatment technologies are mainly composed of 5 kinds : air sparging, in - situ groundwater bioremediation, dual - phase extraction, in - situ oxidation and passive treatment walls
而污染地下水的修復方法主要有5項：注氣法、原位微生物修復技術、兩相蒸氣提取法、原位氧化法、原位反應墻技術等。Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth
值分佈以及場向電流強度和密度隨亞暴位相的變化，並著重分析了亞暴電流楔的特徵。結果表明，亞暴膨脹相的場向電流強度和密度都達到極大值亞暴的膨脹相是由行星際磁場轉向或南向分量變小觸發的，其起始位置很可能位於近地等離子體片內邊緣。The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal
為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響，模擬和分析分為以下四個部分:首先，研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題，研究表明，追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性，而對于兩航天器軌道共面的情況下，初始相位角相等時則獲得最佳的機動效果。To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied
為提高比幅測向的精度，選用多通道體制，採取相位延時估計法從頻域來估算移動天線方向圖系列的達到角，同時在具體的工程實現上對天線選取、信號的量化、去摸開關等進行優化，從而滿足指標要求。This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication
本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術；研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法；選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象，設計了以個人計算機為上位機、以8098單片機為下位機，並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統（ dcs ） ；介紹了幾個主要程序模塊的設計思路、工作過程，這些程序模塊是：用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序，用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序，匯編語言與vb之間的轉接程序，等等。Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system
因而干涉儀系統達到高精度的基礎是：頻率及頻差穩定的雙頻激光源、穩定的等效腔長；測量光與參考光合光後有很高同軸度的光路結構；能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。According to the principles of " positive and steady, scientific programming and rational layout ", the cpc municipal committee and municipal government have programmed the city from a high starting point, constructed the city according to a high standard, administered the city at a high level, managed the city with a high efficiency, made the city green with a high quality made a total investment of nearly 2billion yuan, completed a large group of infrastructures and greening and beautifying projects in succession, made the size of constructed downtown area increased from less than 6square kilometers to 132squme kilometers, completed greenbelts with an area of 316hectares, made green percentage of coverage up t032 %, per capita public greenbelt area up to 10. 72 square meters, initially formed a garden - style ecologieal city with " trees shadowing the street, soft green grass carpeting the ground, greening all the year round, blossoming out in 3seasons ", gained honors and titles of " state - level excellent city in urban environment comprehensive renovation ", " provincial - level landscape garden city ", " award of residential environment of henan "
市委、市政府按照"積極穩妥、科學規劃、合理布局"的原則，高起點規劃城市，高標準建設城市，高水平管理城市，高效益經營城市，高品位綠化城市，共計投資近20億元，相繼完成了一大批基礎設施和綠化美化工程，建成區面積由原來的不足6平方千米，擴大到132平方千米，市區擁有綠地316 :公頃，綠化覆蓋率達32 % ，人均公共綠地面積10 . 72平方米，一個"綠樹成蔭、芳草遍地、翠點四時、花開三季"的園林化生態城市已具雛形，榮獲"全國城市環境綜合整治優秀城市" 、 "省級園林城市" 、 "河南人居環境獎"等榮譽稱號。Theoretically, on the bases of the physical and chemical characters of nonlinear frequency - conversion crystal ktp, the parameters such as walk - off angel, acceptance angle and effective nonlinear coefficients are calculated, analyzed and discussed, together with elaborate analysis to phase - matching process for type ii ktp opo phase - matching
在晶體的光學性能方面，根據ktp的物理和化學性能，對它的有效非線性系數、走離角和接受角等參數進行了計算、分析和討論。對ii類相位匹配的ktp晶體在參量振蕩過程中的相位匹配進行了詳細的分析和計算。First, we calculate out the zero point in a simple numeral method, then we get the phase according to the fact that the symbol of phase changed is opposite in the positive - slope and the negative - slope of triangle wave. this method has the following characteristics : easy to calculate, simple to realize and high precision
首先用簡單的數值方法較準確的計算出零點時刻;進而根據三角波掃頻時正程和逆程相位變化符號相反的特性，巧妙的完成了相位計算，該方法具有計算簡單、實現方便、準確度高等特點。At the lowest level, all computer communication involves encoding data in a form of energy, and sending the energy across a transmission medium
傳輸的信號分為離散和連續兩類，可以利用電流（電壓）或電磁波參數（如振幅、頻率、相位）等物理信號的變化與檢測達到通信目的。Based on the configure of direction finding, the location method, algorithm, accuracy and performance for multistations and single station are studied in this thesis, and the computer simulation results are given out. it is important of resolving the performance of antenna array. a technique to estimate and calibrate the performance is developed in this page
本文以測向系統的組成為基礎，研究了單平臺情況下利用到達方向、到達時間差、多普勒頻率差、相位變化率等參數的測向方法、測向演算法、測向精度和性能，並進行了計算機模擬，為無源測向系統的設計和實施提供了重要的理論基礎和實驗數據。分享友人