characteristic error 中文意思是什麼

characteristic error 解釋
特性誤差
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  • error : n. 1. 錯誤;失錯。2. 謬見,誤想;誤信;誤解。3. 罪過。4. 【數學】誤差;【法律】誤審,違法;(棒球中的)錯打。adj. -less 無錯誤的,正確的。
  1. Finally, the controller working based on the combination of rbf neural networks and traditional pid control was applied to in aclinic kinetic machinery and lifting machinery of tower crane. the simulation of this controller was made using matlab, and the simulation results showed that the control system has some merits, such as quick response, little overshoot, well anti - jamming capacity, and little steady - state error, etc. both the dynamic property and static characteristic of this controller are better than traditional pid controller, and meet the tower crane

    應用matlab對塔機的變幅和起升機構的運動控制進行模擬,模擬結果表明基於rbf神經網路整定pid的控制系統具有響應快、超調小及穩態誤差小等優點,其動、靜態性能優于單一pid控制,從而提高了塔式起重機工作機構的工作性能。
  2. Error estimates of characteristic finite element method for nonlinear advection - diffusion equation

    非線性對流擴散方程特徵有限元法的誤差估計
  3. This scheme firstly determined the operating mode of coded video stream in nal layer according to the current channel state before they were packed. the coded video stream operated under ssm in error - free channel so as to reduce the packing tradeoff and increase the coding efficiency. while in error - prone channel, they operated under dpm combined with improved unequal error protection ( uep ) scheme based on human eyes characteristic in order to elevate their robustness to channel error

    該方案中編碼視頻信息在進行打包封裝前,首先根據當前通道狀態信息自適應地確定其在nal層中的工作模式,在無丟包通道中採用單數據片模式以降低編碼視頻流的打包開銷,提高編碼效率;而在丟包通道中採用數據分區模式以提高編碼視頻流對通道誤碼的魯棒性能,同時基於人眼視覺特性,提出了一種改進的uep策略。
  4. Image coordinate and galvanometer pendular angle are kept in the computer according to the f9 field lens characteristic, enter pupil excursion and f6 characteristic error are ignored, that the image of laser scanning point move acceding to unlinearity relation is deduced theoretically. for deducing the distortion, error compensation is considered in the software

    像點坐標與振鏡擺角按f物鏡特性的線性關系存儲在計算機,在忽略了入瞳漂移和f特性誤差后,從理論上推導出二維垂直振鏡分佈中激光束掃描點的像點按照復雜的非線性關系運動,為了減少幾何畸變,在軟體設計中給出誤差補償。
  5. The paper also does some deep research on the mesh characteristic of the mechanism, analyses the cause o f the cam profile error and index error during working, using object - oriented method, vc + + and pro / toolkit, performs second development to pro / engineer, completes entity proplasm of the cam mechanism using only few parameters, the press angle calculate module, error analysis module and curvature calculate module are built on the basis of it

    然後通過對弧面分度凸輪加工中產生廓面誤差及工作時產生分度誤差原因的分析,建立了計算加工和分度誤差的數學模型。應用vc + +和pro toolkit對pro engineer進行二次開發,建立了弧面分度凸輪機構的參數化設計和三維造型及壓力角、誘導主曲率等運動特性和誤差分析軟體系統。
  6. The basic concept of terrain information content is proposed after an overall review of existing research achievement. applying a series of analysis and data processing method, like math - analysis, mathematical statistics, comparative, error visualizing, this paper carefully investigated the terrain information content characteristic of dems of 1 : 50000 map scale of loess plateau area

    本文在對前人已有研究成果進行系統總結的基礎上,首先明確了dem地形信息容量的基本概念,並運用數學分析、數理統計、比較分析、誤差地圖等方法,以海拔高程與等高線為研究對象,以1 : 1萬比例尺dem為參考真值,探討了黃土丘陵溝壑區1 : 5萬dem的地形信息容量特徵。
  7. Experiment results show : ? he theory and method of information content could play an important role in the case study on the accuracy and application of dem. ( 2 ) in the loess plateau area, there are much difference between 5m resolution dems of 1 : 10000 map scale and 25m resolution dems of 1 : 50000 map scale while gathering terrain characteristic information, and yet the spatial structure of dem error have discipline and measurability on statistics. ( ? the results could offer fundamentals and methods to people on their work to research the terrain information content of dems with different scale level

    研究結果顯示: 1 、地形信息容量的理論與方法對于dem精度與應用適宜性的研究具有重要的作用; 2 、在黃土丘陵溝壑區,同1 : 1萬比例尺5米解析度的dem相比, 1 : 5萬比例尺25米解析度dem在提取地形特徵方面具有較大的差異,但誤差的量值與空間分佈具有統計上的規律性與可估算性; 3 、以上研究結果可望為其它各級比例尺dem地形信息容量的研究提供新的理論基礎與技術方法,也可為有關規范、標準的制定提供依據。
  8. A modificatory mle model has been put forward to reduce the estimate error of reliability characteristic parameter in case of the little fail data

    本文提出一個極大似然估計( mle )的修正模型( mmle ) ,以減小採用mle在小子樣情況下可靠性特徵量的估計誤差。
  9. This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to

    本文共分為五章:第一章緒論中,介紹了常見的位移傳感器,指出了霍爾傳感器的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數常用的補償方法和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的測量原理,系統的實現方法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展方向。
  10. Therefore transmitting video signal in existing channel characteristic and transport network, error processing : error resilience, error concealment are very important and outstanding

    因此在現有的傳輸網路和通道特性的通道上傳輸視頻信號,其錯誤處理:數據恢復、錯誤掩蓋就尤為重要和突出了。
  11. 8b / 10b encoding adapt the characteristic of fiber channel very well, it has been used in high - speed fiber transmission broadly. it avoids the appearance of continuous “ 1 ”, “ 0 ”, offers plenty of bit synchronization time information, enhances the stability of output light signal, reduces interference between signals and offers proper redundancy to check error through transmission

    它避免了連「 1 」 、連「 0 」碼的出現,提供了豐富的位同步定時信息,減少了直流基線漂移,提高了光輸出功率的穩定性,減少了高低頻分量,改善了信號間的串擾,提供了適當的冗餘,便於檢測系統傳輸中帶來的錯誤。
  12. According to the project of adaptive multi - rate speech coding ( amr ) being put forward by the third generation group of the mobile communication, this paper takes the principle of the speech arithmetic as the base, studies the technologies including the source controlled rate, voice activity detector, comfort noise and the error concealment unit in amr, discusses its the characteristic of adaptation and analyses its performances particularly. amr c codes are researched carefully through the modules being divided into and debugged under the tms320c54x provided by the ti corporation, and optimized in selecting the method of c code embedded assembler codes and simplified in the search codebook combining with the theory of speech coding, which are based on the realization about theory and practice of the optimization of amr speech coding

    從自適應多碼率語音編碼演算法的c代碼出發,對它進行模塊劃分後作了系統分析,將其在vc下調試通過,進一步在ti公司提供的tms320c54x環境中進行調試,結合語音編碼理論,對演算法進行優化,採用了在c代碼中嵌入匯編和簡化自適應碼本和固定碼本搜索的方法,部分地提高了c代碼效率,為實現自適應多碼率語音編碼的優化奠定了理論和實踐基礎。
  13. The improvement of image characteristic obtaining at real time satisfies the application and supports the adaptive gamut mapping. the sampling and visualization of sample set in different color space show the optic difference and give the error analysis of the color conversion between them. based on the study of the color relation among the color spaces, the visualizing color can be created automatically with conversion formulas

    針對當前色彩管理研究缺乏可視化支持的現狀,本文在研究相關理論和技術的基礎上,將可視化技術應用於色彩管理,為其提供模型支持和可視化環境,形成了一套較完整的色彩管理可視化工具。
  14. But, the measured - data is a very great quantity and every data contain all data of 1 - 25 harmonic, measured time can have hours to days. the count by hand is very heavy and over - elaborate, sometimes the statistics results is error. it won " t reach the analysis purpose and don " t obtain the curve of harmonic oscillation characteristic in a row frequency range

    可是,測試數據經常是大量的,每一組數據又包含從基波到25次諧波的所有數據,測試時間可能是幾個小時,有的甚至是幾天時間,這樣的工作量由人工完成是非常繁重的,又是非常繁瑣的,有時還統計不出正確的數值,起不到應有的測試分析目的,更無法獲得連續頻域內的諧波諧振特性曲線。
  15. The analysis results show that : the frequency characteristic curve assumes the downtrend, so the electrical energy measurement of the induction meter will produce biggish error when the content of the harmonic is big, no matter taking the whole energy as measurement standard or basic wave energy

    研究分析結果表明:感應式電能表的誤差頻率特性曲線呈迅速下降趨勢,因此在電能計量中,不管是以全能量為計量標準還是以基波能量為計量標準,當諧波含量較大時對感應式電能表的電能計量將會產生較大的影響。
  16. Compared with the induction meter, the electronic meter ' s measurement error is affected diminutively by the change of the frequency, that is to say, the electronic meter has a wide frequency respond characteristic and its error - frequency characteristic curve is flat. therefore, taking the whole energy as measurement standard, the measurement error of electronic meter is less than that of induction meter very much ; while the measurement error of electronic meter is bigger than that of induction meter when taking the basic energy as measurement standard

    和感應式電能表相比,電子式電能表的計量誤差受頻率變化影響較小,具有較寬的頻率響應,誤差頻率特性曲線較為平坦,因此,在諧波存在下以全能量為計量標準時,電子式電能表的計量誤差遠遠小於感應式電能表的電能計量誤差,而以基波能量為計量標準時,電子式電能表的計量誤差比感應式電能表的計量誤差大。
  17. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題,圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案,建議採用時分多址的工作模式,並利用移動自組織網路的概念構建數據鏈網路,同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點,應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償,並在此基礎上進行目標運動參數的轉換,以獲得目標相對于某無人機的當前運動信息,且利用模擬驗證了方法的有效性。
  18. Based on the rate equation and the temperature characteristic of the ld, the temperature control object model and the temperature control error of dfb - ld are analyzed. then the power and wavelength output characteristic is farther analyzed

    首先從ld的溫度特性入手,分析了分佈反饋式ld ( distributefeedbacklaserdiode , dfb - ld )的溫度控制誤差、溫度控制對象。
  19. This paper illustrates detailedly the thin groupware auto - adaptive recognition system ; it also illlustrates the procession of capture image and take indispensable foreclose to wipe off noise in order to get boundary easilyer. the recognition system uses " hough " transform method to make the recognition area orientation, and according to the unstable environment such as lights which leads to the change of the image ' s brightness, thresholds picture using an iterative selection method and then growing process for cell image segmentation based on local color similarity and global shape criteria, adaptively gets the best threshold to divide the washer off the background. the recognition system uses the classifier based on minimal - error - ratio bayes method to make decision after getting image characteristic

    本文詳細介紹了薄形組合件自適應識別系統;闡明了圖像的分通道自動採集過程,以及對採集到的原始圖像所進行的預處理方法。通過採用哈夫變換去除偽邊緣點的方法,有效地解決了識別區域的定位問題。針對裝配零件(主要是墊片)薄、小導致圖像信息少、識別難度大,以及材質不一導致採集到的組合件圖像亮度波動等問題,提出了使用最佳閾值迭代法和使用種子填充的圖像串列分割技術,自適應地找出最佳閡值,使墊片和背景分離,從而提取墊片數目信息。
  20. What flow is that, we use model simulation to analyze the em algorithm contraction ratio. through network simulating, we analyze the factors which can influence loss inference algorithm accuracy like measurement strategy or routing algorithm. we analyze the accuracy and contraction characteristic of multicast - based direct algorithm and em algorithm, and compare the error factor between them

    實驗中通過網路模擬模型,確定了em演算法的收斂速率;研究了不同測量策略和路由器擁塞避免演算法對丟包率推理演算法準確率的影響;分析了單點多播的de和em演算法準確性、收斂性等特徵,通過比較兩種演算法的統計誤差,得出em演算法略優于de演算法的結論。
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