angle modulation 中文意思是什麼

angle modulation 解釋
調角
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角，隅，角落；棱，嬗角。2 【數學】角，角位，角的度數。3 【機...
  • modulation : n 調整，調節；（聲調的）抑揚，變化；【音樂】轉調，變調；【無線電】調制。 amplitude modulation 振...
  1. The theoretical expression of the critical angle is acquired, showing that it rises with the increase of the depth and period of modulation of refractive index. also, it increases as the beam width decreases

    從理論上得到了該臨界角的表達式，它隨折射率調制周期、調制深度的增加而增大，且光束越窄臨界值越大。
  2. Since the varies of gun attitude angle and the vertical vector of the homograph plane are one - to - one, all the elements of modulation gun can be transformed into the calculation of the vertical vector angle, which avoids the calculation accuracy loss of the traditional approach under the condition of the tiny attitude angle disturbance

    由於火炮姿態角變化與相應平面的法向量是一一對應的，從而可將調炮諸元轉化為法向量夾角來計算，這樣可避免傳統方案在微小姿態角擾動情形下導致的計算精度可能的損失。
  3. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  4. The recording characteristics of the material are discussed in detail in terms of sensitivity, diffraction efficiency, bragg angle, refractive index modulation ( an ) and so on

    通過在材料中記錄無傾斜光柵，研究了該材料的全息存儲特性（包括衍射效率，靈敏度，動態范圍，折射率調制度，角度選擇性等） 。
  5. This article angle has analyzed the higher professional technical education from cbe / dacum " the electrical control technology " the curriculum ability localization, according to the higher professional technical education " the electrical control technology " the curriculum ability localization, point out the insufficiency and flaw existed in commonly used control electric appliance choice, electrical pilot wire road map, electricity control system installment, wiring craft, electrical control line fault diagnosis system approach, new starting velocity modulation equipment and control circuit, control circuit and main circuit aspect and so on

    摘要本文從cbe / dacum角度分析了高職「電氣控制技術」課程的能力定位，根據高職「電氣控制技術」課程的能力定位，指出了現行高職「電氣控制技術」教材在常用控制電器選擇、電氣控制線路圖、電氣控制系統安裝、接線工藝、電氣控制線路故障診斷的系統方法、新型起動調速設備及控制電路、控制電路與主電路的連接等方面存在的不足和缺陷。
  6. Firstly, introduce the basic conception of the telemeter and the telecontrol system ; discuss the common department of the telemeter and the telecontrol system, and the angle modulation used by it ; summarize the structure and function of the telemeter and telecontrol

    首先，對遙測遙控系統的基本概念作了介紹；在此基礎上，對遙測遙控系統共有部分? ?信息傳輸部分進行了討論；對研發遙測模擬組合系統的中頻調制器所用到的角度調製作了介紹，它也是無線遙測遙控系統信息傳輸的一個重要組成部分；對遙測遙控系統的組成及其功用作了一定的概述。
  7. This article analyses the signal characteristics of several typical cw radars, and presents the principle and application of doppler radar. as one focal point, this article researches the generation and math characteristics of pseudorandom code modulated signal, analyses the spectrum of pseudorandom code phase modulation radar signal, and presents this kind of signal ' s application in distance and speed measurement. this article also researches the application of mono - pulse amplitude comparison radar in angle measurement finally, this article elaborates the working process of crs in uast

    本文分析了幾種典型的連續波雷達信號的特性，介紹了多普勒雷達的原理和應用；研究了偽隨機編碼信號的產生和數學特徵，著重分析了偽碼調相連續波雷達信號的頻譜，及其在雷達測距、測速方面的應用；研究了單脈沖幅度比較體制在雷達測角中的應用；最後，闡述了超近反導系統中復合體制雷達的工作過程。
  8. The principle advantages of vcsels over conventional edge - emitting lasers lie in ultralow threshold current, small far - field divergent angle, high modulation frequency, potential for wafer level testing and the ease for single longitudinal mode operation and two - dimension integration. as a result they show considerable promise for applications such as optical fiber communication, parallel optical interconnects, optical information processing and neural networks, etc. a direct coupling theoretical model in quasi - three - dimension for the gain - wave guide vertical - cavity surface - emitting lasers has been created in this paper

    它與傳統的邊發射激光器相比具有更優越的特性，例如，具有極低的閾值、較小的遠場發散角、調制頻率高、易實現單縱模工作和二維集成，無須解理封裝即可進行在片測試等，所以，它被廣泛應用於光纖通訊、并行光互聯、光信息處理、光神經網路等領域。
  9. Firstly, the basic theory of switch reluctance generator ( srg ) is discussed in detailed, based on the mechanism electric energy converting analysis, non - linear analysis and non - linear simulation. three control methods of srg ( angle position control method, current chopping control method, pulse width modulation control method ) are deeply studied and analyzed. the electronic controller, which controlled by dsp or by hardware circuit are developed for low - power switched reluctance generation system

    首先系統地研究了開關磁阻電機發電運行的基本理論，從機電能量變換的角度分析開關磁阻發電機的機電能量變化規律；通過非線性分析和非線性模擬方法，明晰開關磁阻電機發電本質，概括出開關磁阻電機發電運行的特點；系統、深入地研究了開關磁阻電機發電運行的控制方案（角度位置控制、電流斬波控制、脈寬調制控制） 。
  10. Direct torque control using space vector modulation ( svm - dtc ) scheme is discussed and the detailed designed, including space vector choosing and modulating, to overcome the control difficulties coming with the characteristic of low inductance. comparing with the basic dtc, the simulation results confirm the feasibility and good performance of this strategy. in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, a proportional - plus - integral ( pi ) torque controller with variable proportion is presented to ensure exact and quick control of torque in dynamic state

    系統的闡述了永磁同步電機直接轉矩控制理論，分析了改進后的svm - dtc控制策略，並具體設計了控制技術的實現方案，包括參考矢量的生成和空間電壓矢量調制的方法；為減小電磁轉矩與轉矩角非線性關系這一因數給電機電磁轉矩動態調節造成的誤差，本文實現了變比例系數轉矩pi調節器的方案，確保了系統穩定性的同時，實現了電磁轉矩在動態過程中快速而準確調節。
  11. The basic theory of switched reluctance generators ( srgs ) is illustrated. by analyzing the control strategies of srg, three control strategies of bsrgs are suggested : current chopping control ( ccc ), angle position control ( apc ), pulse width modulation ( pwm )

    綜合普通開關磁阻發電機的電流控制方式，提出了無軸承開關磁阻發電機的三種控制策略:電流斬波控制策略（ ccc ） 、角度位置控制策略（ apc ） 、 pwm控制策略。
  12. Signal forming and different demodulation of gmsk baseband signal are mainly discussed in the dissertation. gauss filter, phase integral, sin table, matched filter, calculate angle, bit - synchronization 、 output filter 、 a / d 、 d / a and etc of gmsk baseband signal are carefully studied through software emulation in systemview environment. the modulation and demodulation of gmsk baseband signal are carried out by the way of using tms320vc549 of ti to integrate software and hardware

    本文重點討論了gmsk基帶信號的形成以及gmsk基帶信號的差分解調，系統在systemview的環境下進行了軟體模擬，通過對系統的模擬工作，仔細的研究了gmsk基帶信號的高斯預濾波器、相位積分、 sin查表、匹配濾波器、相角計算、位同步、幀同步、輸出濾波、 a / d和d / a等。
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