精濾的 的英文怎麼說
中文拼音 [jīnglǜde]
精濾的
英文
finely cleaned-
Data preprocessing refers to the process of polygonization, smoothing, decimation and registration. the flow and main steps of data preprocessing are described here. several specific cases, for example the sampling method based on chordal deviation, the feature based registration, are discussed
本文研究和討論了點雲預處理的基本流程和主要步驟,研究點雲光順的高斯濾波,中值濾波和平均濾波方法、點雲精簡的弦高差演算法和多視點雲特徵對齊的方法。Fifthspecial filtering method with rice paper : on the technics of filtering, arawana groundnut oil keeps improving, esp. filtered by 2 layers pure cotton cloth, add one more rice paper for filtering, which guarantees that the groundnut oil is natural and pure
第五重保證特殊的宣紙過濾方法:金魚花生油在過濾的工藝上精益求精,特別是在經過2層細純棉布過濾后,特意多加一層宣紙過濾,這樣的工藝確保出品的花生油滴滴天然純香。It designed signal amplifying circuit, frequency tricking circuit, data sampling and keeping circuit. the choice of 12 bits high accuracy a / d integrated data sampling card made program simply, high flexible and expandable. and to each error which is likely to occur in high voltage capacity type equipment during the monitoring, analysis and judgement are given
在硬體電路實現上,注意選擇信號傳感器;合理設計了信號放大電路和濾波電路;設計了頻率跟蹤電路,數據采樣/保持電路;結合軟體控制選用了12位高精度的a / d轉換器,使軟體編程簡化且具有較高的靈和性和可擴展性。The first algorithm is low precise but simple and credible, the second is high precise but complex and incredible. 4 ) developed four kinds of methods aimed to improve precision and credibility of navigation system. the first is parallel sandia inertia terrain - aided navigation ( psitan ) ; the second is tercom + sitan, it can restrain two important disadvantages of sitan ; the third is particle filter - based terrain - aided navigation ( pftan ), the particle filter can reduce the error of navigation ; the last is tercom + pftan, where tercom is looked as monitor to ensure the credibility of navigation system
採用并行sitan方法來提高導航精度,並克服奇異值問題;提出了tercom + sitan方法,綜合利用兩者的優點,在保持sitan導航精度的前提下,有效地克服了sitan的兩個缺點;提出了一種基於連續蒙特卡洛濾波(常被稱為particlefilter )的地形匹配演算法( pftan ) ,有效地克服了利用sitan時由於地形隨機線性化帶來的誤差,使導航精度有較大的提高;提出了tercom作為監視器的地形輔助導航思想,並將其應用到連續蒙特卡洛方法上,較大地增加了系統的可靠性和精度。The if digital receiver based on software radio technology adopts the structure of fpga plus dsp, which is more powerful than other systems in signal processing, and is able to complete iq demodulation accurately and acquire characteristic of the signal. the following four aspects is included :
該中頻數字接收機以軟體無線電思想為核心,採用dsp + fpga的硬體結構,在信號處理能力方面比以往的系統有了很大的提高,能夠精確的完成信號正交解調和抽取濾波和特徵信息的提取。The switched capaci tor filter is the counterpart of the continue time analog filter " s sampling, it is more adapted to the miniaturization of the circuit and can realize the higher accuracy transfer function, especially the design of the cmos integrated sc filter based on the biquad have advantage of high accuracy, small area, low power consumption, simple architecture and easy to debug. it has important academic and practical means of the sc filter " s research and design
開關電容濾波器是連續時間模擬濾波器的采樣時間等效電路,更適合電路的小型化,同時也實現高精度的傳輸函數,尤其是基於雙二階的cmos開關電容濾波器設計具有高精度、面積小、低功耗和電路結構簡單,易於調試等優點,所以研究和設計開關電容濾波器有著重要的理論和實際意義。A method, called r / s analysis, is employed to improve the estimate accuracy of the hurst exponent. the simulation results show the method mentioned above is also an efficient filter
針對hurst指數的估計誤差較大的問題,本文引入r s分析法,模擬研究表明該方法在提高hurst指數估計精度的同時提高了wls法的濾波效果。The basic technologic scheme on microwave transmission, currently maturate and advanced microwave transfer technology and equipment, efficiency slot gap antenna, character quality filter, mixer, exact crystalloid concussion apparatus, power backspacing technology, pre - distortion adjustment. furthermore, the technologic schemes practicing using multilevel microwave transfer technology in some areas such as lengshuijiang is introduced in the paper
採用了當前比較成熟、先進的微波傳輸技術和設備,如高效的縫隙天線、高品質濾波器、混合器、高精密的晶體震蕩器、功率回退技術、預失真校正技術,結合工程實際,設計了湖南電廣網路33家合資公司的mmds無線微波數字電視覆蓋的基本技術方案,和個別地區(冷水江市數字微波工程)的多級微波傳輸的具體技術方案。High precision ad chip is used for intermediate frequency data sampling and fpga of virtex - series is used for the implementation of intermediate - frequency orthogonal system, which includes the sequencing control design for mult - channel radar system with verilog, the application of ip core of digital filter and fifo, as well as the communication control module with dsp. as the master control part, the software programming for the communication between dsp and fpga is designed. the experimental result with hardware circuit shows the design is valid and practical
採用高精度的adc晶元完成中頻采樣,通過virtex -系列fpga設計中頻正交系統,主要包括通過verilog語言實現多路雷達中頻接收的時序控制,通過濾波器ip核實現濾波器的設計,以及利用c語言實現dsp的通訊控製程序設計。並給出了fpga在資源和速度上一些優化的方法,調試過程中影響中頻正交接收性能測試的因素。The correlative items of dc filters are researched on the basis of gezhouba - shanghai hvdc transmission project. in the analysis the three - pulse model is used to simulate converter, which takes into account the impact of the stray capacitance. the harmonics distribution on dc lines is simulated accurately, especially the harmonic ignored in old models
本文以葛上直流輸電工程為基礎,研究直流濾波器設計中的相關問題,採用考慮了雜散電容的三脈動模型來建立換流站模型,更為準確地模擬出直流輸電線路上的諧波分佈情況,尤其是模擬出舊模型中忽略的次(為自然數)諧波,為直流濾波器的設計提供了更精確的數據和判斷依據。On the basis of practically achieved low - frequency laser - vibration measuring - system, this thesis analyses the principle of laser - vibration measuring - system, the optical factors which have effect on contrast degree of interference fringe, the optical - electric transformation factors which have effect on measuring accuracy, the important of filter for improving the accuracy in the absolute calibration and the outward vibration which has effect on system accuracy, etc. in chapter one, the background of laser measuring vibration, and then followed by its current status, is introduced and analyzed
本論文根據實際研製的激光測振儀系統,從提高激光測振儀精度的角度出發介紹了激光測振儀的原理,並詳細地剖析了光路對測振儀干涉條紋對比度的影響、光電轉換對測量精度的影響、光電信號的濾波放大以及外界振動對測振儀系統的影響等技術問題。When trying to sift science fiction ' s accurate predictions from its erroneous ones, it is worth applying the following three tests
當我們從這些科學幻想的作品中去偽存真,把精準的預言從錯誤的推斷中過濾出來的時候,就有必要用到下面三個測試去判斷了。The micron range for cppm150 series is from 1 to 150 micron, nominal rating. absolute ratings are also available under filter code cppa150
Cppm150系列熔噴濾芯的過濾精度為1到150微米公稱精度。我們同時也備有絕對精度的供客戶選擇,其產品代碼為cppa150 。The localization of mobile object is accomplished by nonlinear kalman filter. based on the formulae of localization errors, the rules are analyzed, which describe the relationship between the localization precision and the constellation factors, such as constellation shape, the height of satellite. the method to design the constellation is presented with the help of these rules
論文利用非線性kalman濾波設計了三星時差定位星座對運動目標的定位定速演算法;根據定位誤差的解析公式,利用模擬方法分析了三星時差定位星座的星座構型和衛星高度等因素對定位精度的影響規律,並依據定位精度影響規律,研究了三星時差定位星座的星座設計問題。In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research
因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生方案,通過差分處理濾除了由於裝配偏差和零點漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場分析,依據磁場分析的結論對編碼器常用的信號發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。Furthermore, utilizing the characteristic that filtering error covariance expresses filtering precision and the principle of information conservation, the dynamic and reasonable distribution of distributed tracks weight coefficient is accomplished. jerk model and strong tracking filter is organically assembled, and based on spatio - temporal synthetically analysis and lme, a self - learning estimation method of the system measurement variance is given. the method improves obviously the
3 、將jerk模型與強跟蹤濾波演算法有機地結合,並利用時空綜合分析和極大似然估計的思想推導出了一種系統量測方差自學習修正方法,以優化強跟蹤濾波演算法中次優漸消因子和濾波增益的在線選擇,同時根據多傳感器數據融合具有改善濾波精度的性質,進而給出一種基於jerk模型的多傳感器數據融合演算法。2. a user friendly approach. 3. greatly reduced recurring expenses due to no filter cloth requirement. 4. no spillage rate as a result of closed and compact operation
該葉濾機採用密封加壓多濾葉微孔精密過濾的方法來實現較理想的分離效果。Wireless localization and tracking is a hot research topic, several theorestic and applied results have been in recent years. this paper addressed two problems : 1. how to mitigate position error caused by non - line - of - sight ( nlos ) propogation when we use range - based tracking algorithm in cellular networks
本文探討了其中的兩個問題: 1 .在跟蹤蜂窩移動通信網路中移動終端的運動軌跡時,如何利用粒子濾波器減弱非直達波傳播對濾波跟蹤演算法精度的顯著影響The machine is stainless steel multilayer frame filter. it is fit for enclosed filter in liquids with concentration 50 %, low viscosity and little slag so as to meet precision filter and half - precision filter requirements like refining, sterilization and clarification. by directly using microporous membrane, material can achieve aseptic filtration without passing microporous membrane filter
本機為不銹鋼多層板框式過濾機,適用於濃度50 %以下粘度較低,含渣量較少的液體作密閉過濾以達到提純,滅菌、澄清等精濾、半精濾的要求,直接選用微孔濾膜,可不經微孔薄膜過濾器過濾可達到無菌過濾之目的。Different sampling periods of sensors and the recursive steps of initial states are investigated. the navigation precision with different condition such as different precision of sensors, different length of observation time are compared. then, three orbit types, consisting of low - altitude orbit, middle - altitude orbit and high - altitude orbit, are simulated respectively
在pc機上首先分析敏感器采樣周期和濾波迭代次數對自主導航精度的影響,然後比較敏感器精度不同,觀測時間長短不同,軌道類型不同情況下所產生的導航誤差。分享友人