調角指數 的英文怎麼說
中文拼音 [diàojiǎozhǐshǔ]
調角指數
英文
angle modulation index-
The main process of regional ecological risk assessment includes 5 stages : regional analysis, risk receptor selection, risk sources analysis, exposure and hazard analysis, and integrated risk assessment. arming at flood, drought, storm tide, petroleum pollution accident and flow breaking in the lower huanghe river, the probability and distribution of each kind of risk sources are evaluated. the authors bring forward indexes and formulas to measure hazarded degree and risk value of ecosystem. by using remote sensing data, historic record, survey data and by means of geographical information system, regional ecological risk assessment is finished. on the basis of assessment result, the environmental risk management countermeasure of the huanghe river delta is advanced
以黃河三角洲為例進行了區域生態風險評價理論和方法的探討。針對黃河三角洲主要生態風險源洪澇乾旱風暴潮災害油田污染事故以及黃河斷流的概率進行了分級評價並提出度量生態損失與生態風險的指標和公式，分析了風險源的危害作用運用遙感資料歷史記錄調查數據和地理信息系統gis技術，完成了區域生態風險綜合評價在此基礎上提出黃河三角洲的區域生態風險管理對策。In this thesis, we focused our attention on demodulation and digital signal processing ( dsp ) technique in the dpsk differential detection system used in pico - satellite test and control instructions, mainly from the point of view of software
論文圍繞皮衛星通信中測控指令的dpsk差分解調系統，重點從軟體角度對通信解調技術和數字信號處理的一系列問題進行了實踐和研究。Chapter 2 is " review in the perspective of history ", it analysis the history progress and the basic law evolved in the chinese farmland institution, it indicates that the population pressure is the basic motive to drive the transition of the chinese farmland institutions. the population pressure would inevitably cause social crisis if rural labor can not be transferred completely, and finally leads compulsive population decrease through the dynasty change
第2章「歷史視角的回顧」著重分析中國農地制度演進的歷史進程和基本規律，指出人口壓力是推動中國農地制度變遷的基本動力，如果不能實現農村勞動力的有效轉移，人口壓力必然導致社會危機，並以「改朝換代」式的大動蕩實現人口數量的強制性（災難性）調整。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。This paper combines the application and research of cellular manufacturing resource management system in high - efficient numerical control machining technique research of commission of science technology and industry for national defense and demonstration project research of chengdu aerocraft corporation, studies and practice the management of workshop ' s resource management which according to mrp hand jit " s thoughts and the characteristic of manufacturing execution system to meet advanced management concept ; have realized the computer - assisted management of the measuring tool, cutter, fixture and material in numerical control manufacturing center of chengdu aerocraft corporation, have introduced some manage method, concept and the management thought in production planning and controlling management, stock management and cost management ; makes the information of cost manage department, technology department and resource management department can be shared and integrated with each other, have guaranteed the production of numerical control manufacturing center of chengdu aerocraft corporation can go on by order ; this paper is taking the management of cutter as a sample, have studied the major working process and the realistic demand of resource management in the environment of numerical control ; have established systematic function model and information model with the method of idefo, idef1x ; under the support of intranet, with the method of joint application and development, combines advanced management theory and reality, using mature software development tool, this paper have developed the computer - aided manufacturing resource management software under the pattern of c / s
本文結合國防科工委「高效數控加工技術研究?成飛示範工程」課題中單元化製造資源管理系統的研究與應用，從車間層開始圍繞製造資源計劃（ mrp ）和準時制生產（ justintime ，簡稱jit ）的需求並結合製造執行系統（ manufacturingexecutionsystem ）的特點對車間資源的管理作了一定的研究和探討，並付諸實踐，以適應先進的管理理念；實現了成飛數控加工中心刀具、量具、工裝、物料等製造資源的計算機輔助管理，介紹了一些計劃與調度管理、庫存管理、成本管理的管理思想、理念及方法，完成了與車間生產調度部門、工藝部門、經營管理部門的信息共享和集成，從製造資源的角度保證了成飛數控加工中心的生產能有序、受控的進行；對今後的車間層製造資源管理探索出了一條切實可行的解決途徑。本文以刀具管理為例，研究了高效數控環境下製造資源管理的現實需求及主要的工作流程；採用idefo 、 idef1x方法建立了系統的功能模型和信息模型；並在車間局域網的支持下，採用聯合應用開發（ jad ）方法（即程序開發人員與最終用戶共同開發系統） ，以先進的管理理論為指導，結合生產現場的實際情況，利用成熟的軟體開發工具開發了c s模式下的計算機輔助製造資源管理系統軟體。In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan
本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功率為目標函數，指定送端系統和受端系統中參考調節的發電機，指定故障集情況下，以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件，採用內點法和行主元約當逐行消去法求解問題的最優解。In this paper a new method based on sa4828 is proposed and realize through dsp, in order to solve the shortcoming which use more hardware resouces, and the problem in precision and stabilization, which is produced spwm using hardware or software simplie, the experiment shows that this method not only use littler hardware resources but also improve the precision and the stabilization. the tradition pid control can not adapt the change of parameter over the control object, and it can not solve the conflict between dynamic index and the static index. this paper introduced the principle of real time operation systerm uc / os - ii firstly. then analyzed the works in porting to dsp, and give the method to resolve the problems to porting it
此外，這些調節規律本身不能很好的解決系統的動態與穩態指標間的矛盾，也就是說採用傳統的pid難以組成諸如機器人那樣需要完成快速跟蹤、高精度力矩綜合控制的伺服系統。為了解決控制對象參數變化時傳統pid適應性差的問題，本設計採用變論域的模糊pid ，提高了精度、改善了其調節性能。本文主要作了如下的工作，並取得了成就：利用集成晶元ad2s80來求取空間角度，提高了精度，簡化了控制的復雜性。This paper mainly puts forward the comparative index for ecosystem environment relating with water dispatching, and analyses the variation of ecosystem environment by using remote sensing, hydrological data and investigated data
文章提出了評價水量調度效果的河口生態環境對比指標，並嘗試運用遙感技術、水文數據和調查資料，對比分析了水量調度前後河口三角洲生態環境變化情況。To make modification from the aspects of output and input, output indicator method and modified deflator method are introduced
本章試圖從產出和投入兩個角度對現有的投入替代法進行改進，引入了產出指標法和調整后的減縮指數法。A function description method of synergies among the human joints was proposed by using trigonometric and exponential functions
利用三角函數和指數函數，建立了人體關節角度之間協調元的函數描述方法。That is, the occasional situation where the object of interest passes directly overhead ( 90 zenith pass ). azimuth axis must rotate nearly 180 ? instantly. therefore, the standard two - axis altitude - azimuth pedestal will be unable to remain pointed at the object through the zenith pass event
所謂天頂盲區問題是指目標過天頂時對地平式設備方位軸有一個極大的過載要求，需要方位軸瞬時調轉180 （或略小於180 ） ，此時方位變化的角速度和角加速度在數學意義上是無窮大，導致目標丟失。For the reasonable planning and construction of the highway network in medium - sized cities, at first, the thesis has compared the condition of china with one of foreign in the construction of highway network and presented the existing problems. in the foundation of the theory and methods of the planning of highway network, a series of principle and methods has been advanced, such as the method linked the method of gross control into 4 - step - forecast method. the thesis has discussed the data the od survey needed and the theory and methods of traffic demand forecast
本論文從中小城市公路網建設合理規劃的角度出發，首先將中國的公路網建設情況與國外進行對比，指出了我國目前在公路網規劃中所存在的問題，隨后在研究公路網規劃的理論與方法的基礎上，提出了一系列的原則與方法，如總量控制與四階段法相結合的方法等，探討了進行交通調查所需要的數據信息、需求預測的理論與方法以及相關的影響因素。According to the technique parameter which be put forward by related unit, the author designed the mechanical structure of testing table and choose the drive components and angular measurement components. based on these, the author finished to build all of mechanical table. aimed at the position control of dc motor which drive loading, the author particularly built the mathematic model of three axis dynamoelectric testing turn table
本文根據相關單位提出的轉臺的各項技術參數和指標，完成三軸慣導元件測試轉臺機械臺體部分的工程設計、驅動元件和測角元件的選擇及安裝，參與三軸轉臺機械臺體部分的加工、裝配和調試。In this dissertation, based on the maintenance mode of cosco container lines, the author retrospect the development of technical manage, analyzes the management mode, maintenance system and cost control system of coscon by comparing with the latest development in the world, and absorbing its experience. the author argues the following steps to optimize the technical management of coscon fleet : project the management base center ; introduce the index of standard and performance ; detail the cost estimation ; evaluate the performance of major equipment ; adopt the computer system and strategic outlook
在此基礎上，作者從以下幾個角度對中遠集運船舶機務管理模式進行了優化： 1 、架構出以岸基為中心的中遠集運船隊機務管理新模型； 2 、創立了設備管理標準和設備工況指數； 3 、細化了設備維護費用的測算方法； 4 、提出了設備維護重要工程的效能評估方案； 5 、提出了船舶維修保養體系改進思路； 6 、強調了船岸通信系統建設和計算機應用； 7 、進行了機務管理問題的戰略思考。In view of that thought, thesis first gives the conceptions : microscopic state of economics, economic order, economic orderization and economic entropy, at the same time, defining the orderly degree, to describe the regional economic state and level during the course of regional economic growth and development. based on these conceptions, establishing economic entropy measure the orderly degree of regional economics using economic order as measuring index through economic order changing, the orderly degree of regional economics means harmonious and coordinative level reached by mutually contacting ? acting on and affecting thorough all essential factors and all subsystems contained in regional economic system to promote growth and development of regional economics, and micro - measuring means measuring the orderly degree of regional economics from individual welfare. the mathematic analyzing to the economic entropy indicates that the it reflects the long - term changing trend of the orderly degree of regional economics : it will increase during fluctuation
基於這一思想，論文首先提出經濟微觀態、經濟序和經濟有序化概念，以描述區域經濟在有序化過程中某時刻所處的狀態和水平;在此基礎上定義經濟熵，以經濟序作為測度指標，以經濟序的變化度量區域經濟有序程度，即區域經濟系統各要素和各子系統通過相互聯系、相互作用和相互影響從而提高區域經濟系統整體發展效率和速度的協調水平，而微觀度量則是指該度量是從個體福利水平的角度進行的;接著對經濟熵進行了數學分析，證明其反映了區域經濟有序程度的變化趨勢，即在波動中趨向增加，並用經濟增長理論驗證了該結論。Secondly a three - period action research project is carried out. in the project, the freshmen of network education institute of south china normal university in autumn 2003 enrolling in the course named " distance learning method " are choosed as the experimental object. the author as a tutor uses synchronous or asynchronous ways like chatroom, forum ( bbs ), e - mail and homework system etc, and then adopts " triangulation " to analyze the platform data, q uestionnaire investigation, interview and self - introspection of researcher synthetically, verifying the effect of the guiding activities to the course
在遠程教育理論、學習理論和教學系統設計理論的指導下，初步設計出網路教師指導活動的方案，並通過行動研究，選取華師網院2003秋季入學學生公共必修課程《遠程學習方法》 ，應用值機答疑（聊天室） 、論壇（ bbs ） 、電子郵件和作業系統等實時或者非實時的手段，將此設計方案運用課程指導中，最後採用「三角互證法」 ，對平臺數據、問卷調查和訪談以及研究者的反思記錄進行綜合分析，驗證對該課程指導的效果。In this article, the authors established a layered evaluation indexes system of coordinated development and used the weighting method of principal component and kantiray to synthesize indexes according to the real status of coordinated development of resources, environment and economy in anhui province during the 1990 - 2005 periods, and also established mathematical model according to the meanings of coordinated development to evaluate the degree of coordinated development of resources, environment and economy in anhui province from the angles of degree of coordinating, degree of coordinated development and index of coordinated development trend
摘要以系統科學思想為基礎，根據1990 - 2005年間安徽省的資源、環境與經濟發展的實際情況，構建了一套分層次的協調發展評價指標體系，並運用主成分方法、坎蒂雷賦權法將相應層次的指標進行綜合，根據協調發展的含義建立數學模型，從協調度、協調發展度、協調發展趨勢指數的角度定量分析了安徽省資源、環境、經濟系統協調發展的狀況。分享友人