無參數統計 的英文怎麼說

中文拼音 [shēnshǔtǒng]
無參數統計 英文
nonparametric statistics
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
  1. When testing begins, the computer of the tested uav flight control system will be connected into the network as a slave. the master of the system will diagnose faults should there be any ; otherwise it will set flight parameters and load flight course data for the slave

    檢測時,人機的飛控系算機作為從機連入網路,如果從機的飛控系沒有故障,主機將為從機設置飛行和裝定航線據;如果有故障,則主機為從機飛控系診斷故障。
  2. Simox soi wafers produced by ion implant processes were used in this experiment. the results for simox soi samples we got here revealed that all the three structures are valuable for soi electrical characterization and sis structure has irrefragable advantage over the other two structures. the soi transistors have been the key devices for achieving the low voltage operation and low power consumption, because of the small junction capacitance, the small s - factor, and the small substrate bias effect

    這三種模型分別是:第一,將傳的mos電容結構應用到soi材料上來進行c - v , i - v測試,分析算soi材料的重要電學性能;第二種,針對soi材料的特殊結構,為了適應生產線上對損soi園片進行電學性能測試的要求,應用mosos結構來對soi材料進行電學性能表徵。
  3. Marine diesel union fuzzy neural network model can not only reflect the fuzzy character and logicality of main engine, but also avoid the joints between irrelevant parameters, simplify the network structure, and decrease the calculation. 2

    船舶柴油機組合模糊神經網路模型可以反映主機系的模糊特性和邏輯特性,簡化了網路結構,避免了關性能之間的連接,減少了算量; 2
  4. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系( pwm )和位置環構成的定位系中,速度環的隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系辨識建模也證實了這一事實1 , 2 .因此在設位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的攝動范圍採用「對象攝動離散滑模控制器的設方法」 ,以確保系攝動時的穩定性和快速、超調、準確定位的優良動態品質.為剖析該設方法的控制效果,本文作了對比性研究,並將該設方法用於工業試驗中,取得了滿意的結果
  5. In that mainly including communication work mode, project argumentation of system, performance analyses and type choosing of communication transmitter - receiver and the design of antenna system, etc. in chapter 3, coding mode of msk and gmsk and the hardware circulation realization of modem are discussed in detail

    在第二章里,介紹線電通信系總體設,按通信系組成,逐項進行算,主要包括通訊工作方式和體制的方案論證,通訊電臺性能分析、選型、,以及天線系的論證等。在第三章里,詳細論述msk和gmsk編碼方式,以及用fx909實現據機的硬體電路。
  6. Adopting current feedback suspension control algorithm, the stable region of control parameters are narrow, overshoot is great and unable to make the closed - loop system bandwidth narrow

    目前採用的基於電流反饋的懸浮控制演算法,穩定范圍小、超調量大,且法將閉環系帶寬設得較低。
  7. Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step

    在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后,針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢,設了一種基於金屬帶式級自動變速器cvt混合動力汽車動力傳動系方案,根據該傳動系方案制定了比較合理的控制策略和工作模式,並針對長安之星6350b設了發動機功率和起始轉矩、主減速比、電機的額定功率和轉矩、轉矩合成器速比等相關,為下一步的電機控制系模擬實驗打下基礎。
  8. Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking

    本文針對輸入功率為1 . 5kw ,最大輸出轉速,額定輸出轉速的級變速器的設要求,並考慮到傳動角及變速比等因素,在運動學模擬的基礎上,對運動學進行了優化;本文對變換器連續作用的初始裝配條件進行了理論分析與研究,對輸入、輸出變換器作了結構尺寸的設,並進行了強度校核算;本文還對變速器調速系中主要傳動構件在滿足操作的靈敏度、精度、自鎖性的基礎上進行了結構設;最後採用workingmodel3d軟體,進行虛擬樣機的算機輔助模擬設及運動學和動力學算。
  9. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指擬合模塊以及多項式擬合模塊,設了一種對實驗所得據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系,並探討了通過datasocket技術實現該系網路化的方案。
  10. In the paper, a speed estimator based on artificial neural network is designed according to the principle of direct torque control, the speed estimator is optimized by genetic algorithm, and the parameters of pid speed adjuster is also optimized by genetic algorithm. a stator linkage and torque observer based on stator resistance estimator using fuzzy neural network is also designed. eventually, the intelligent control of direct torque control system is implemented

    本文根據異步電動機直接轉矩控制原理,在應用人工神經網路進行速度辨識的基礎上,利用遺傳演算法對神經網路速度辨識器進行了優化設;運用遺傳演算法對pid速度調節器的結構和進行了整合;在採用模糊神經網路對電機定子電阻辨識的基礎上,進行了定子磁鏈及轉矩的觀測,為最終實現速度傳感器直接轉矩控制系的智能控制創造了條件。
  11. The breakdown of time superman engine start system is analyzed in detail. finally, the designation of soft and hard wares for the wireless transmission of engine cold start ' s parameter

    對時代超人發動機起動系的故障做了較為詳細系的分析。最後完成了發動機冷起動線傳輸軟、硬體的設工作。
  12. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在縫焊接鋼軌溫度應力測量系的理論模塊,包括根據snell原理,研究極限折射縱波的激發機理,並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出縫焊接鋼軌中的溫度應力的公式,並對其中的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波測量縫焊接鋼軌溫度應力的方法,即固定距離測量聲時法、臨界角折射法和頻譜分析法,本實驗系使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱波測量溫度應力的幾個因素,並提出了相應的解決方法;根據實驗系的需要,獨立設並加工出相關配套的實驗設備,包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。
  13. Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control

    著重研究了在限制有機物排放總量時,使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函法,將本課題的有約束條件問題化為約束條件問題,並提出了最優步長的動態搜索法來修改傳的梯度法,從而較完善地解決了多變量最優周期控制的算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同,進而提出了最優初始狀態下最優周期控制的新概念,這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出:對于尚不具備實現最優控制條件的處理系,可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制
  14. The result of long - term operation shows that the computer control system is practical and effective, it can run in the optimal state within a long duration to fully realize data collection and process, remote data transmission and vfvs constant injection control of pumps. it speeds up the automatic procedures of the seawater treatment process, really realizes the unmanned working, decreases the physical intensity to a large extent, improves the management, enhances the management level, avoids equipment wear down as much as possible, makes the seawater treatment efficient and lessens the cost of production

    長期的運行結果表明,該算機控制系的實施切實有效,既成功實現了對被檢測據採集與處理、遠傳以及注水泵機組的變頻調速恆壓注水控制,又提高了系的自動化程序,真正實現了人值班作業,在很大程度上降低了工作人員的勞動強度,極大的改善了現場的管理狀況,提高了生產管理水平,且有效避免了設備損耗,提高了水處理效率,降低了生產成本。
  15. Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure

    通過理論算和模擬分析,比較了並聯型apf的幾種控制策略的優點和缺點,從中選擇瞬時功理論控制策略i _ p - i _ q算方式為指令電流產生的演算法,並在此基礎上增加了抑制系諧振和平衡直流側電容電壓的控制;比較了並聯型apf主電路的兩種常見形式,從中選擇了三相電壓型變流器的主電路形式;算出適合該apf的直流側電容和出線電感的;設出能有效消除apf產生的高次諧波的高通濾波器。
  16. Research on estimating multipath parameters in wireless communications

    線通信系中的多路徑進展研究
  17. Firstly, the observability of linear and nonlinear systems and the basis of parameter estimation are discussed. particularly, the observability of single station bearings - only passive locating systems was analyzed and the influence of the moving state parameters of observer and target on the system locating accuracy is also researched. based on that, the conclusion about the relationship between different moving state parameter and locating accuracy is made

    主要工作如下: (一)討論了線性和非線性系的可觀測性以及的基本方法,深入分析了單站只測角源定位系的可觀測性,研究了系和目標的運動狀態對系定位精度的影響,得出了不同狀態與定位精度的定性或定量的對應關系。
  18. The paper provides a visual modeling scheme using object - oriented technology, and does experiments for current impulse response models from model change to parameter design to graphical modeling. the frame is a visual solve for simulation analysis and transmission forecast of radio channels. on the one hand, the paper takes classic radio channels as independent objects and builds their graphical models, comes into being a visual universal model library

    本文深入研究了線通信通道、尤其是多徑通道的傳輸特性,提出一種基於面向對象的可視化線通道建模和模擬方案,對具有普適性的通道沖激響應模型進行了從模型轉換、到圖形建模等環節的實驗,建立起一的、一體化的通道建模模擬實驗框架,為線移動通道的分析、建模、模擬和傳播預測提供了一種可視化的解決方案。
  19. Fuzzy control is an intelligent control solution without model, which is often used in nonlinear processes. however, the lack of high precision and parameter systemic design methods limited the applications of fuzzy control

    模糊控制是一種模型的智能控制方法,可以用來處理非線性對象的控制問題,但是控制精度不高以及缺乏系方法的缺陷使得模糊控制存在著一定的局限。
  20. There is a natural linear order relationship among the data of one - dimensional sample, so which can be ordered according to the size of the sample points, however, since there is no natural linear order relationship among data of multi - dimensional sample, it is impossible to gain multi - dimensional order statistics in accordance with the order of the size of sample, neither is it impossible to extend many useful methods for one - dimensional nonparametric oiatistics to those for high dimensional ones

    對於一維樣本,由於據之間存在一種自然的線性序關系,故可按照樣本的大小排序,從而得到秩向量。但對于多維樣本,據之間則不存在自然的線性序關系,法按照樣本的大小排序而得到高維樣本的次序量並由此把一維非的許多有用的方法直接推廣到高維情形,使得對多元據的分析十分麻煩。
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