filter equation 中文意思是什麼
filter equation
解釋
濾波方程-
In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained
該模型首先運用兩相流理論獲得了通道內液膜厚度，然後通過污染物在氣相、液相的質量組分方程，結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程，獲得了污染物在液相和生物膜中濃度分佈的近似分析解，最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。 -
In this model, ion conduction involves transitions of three states, with one three - ion state and two two - ion states in the selectivity filter respectively. in equilibrium, the well - known nernst equation is deduced
在這一模型中，離子通道的選擇性過濾器主要處於三個態，一個三離子態和兩個兩離子態，轉導過程用這三個態之間的相互躍遷來描述。 -
On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced
在推力矢量試車臺設計方面，設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案，提高了試車臺動架的固有頻率，解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法，推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法，並計算了推力矢量測量精度。 -
Aiming at the nonlinearity of state and measure equation and measurement being only angle information, which results in poor observability and classical estimate methods such as extended kalman filter not converging, the boost phase states and covariance are estimated using unscented kalman filter ( ukf )
針對狀態方程和觀測方程都是非線性方程，觀測量只有角度信息，造成可觀測性弱、經典的濾波演算法如擴展卡爾曼濾波方法不易收斂的問題，利用unscented卡爾曼濾波ukf演算法對主動段進行狀態和協方差估計。 -
The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method
本文的主要工作有： （ 1 ）分析電力系統在發生故障時的運行狀態，尤其對三相傳輸線上的故障行波進行了分析和研究，推導了考慮相間耦合的三相傳輸線電壓方程，並將傳輸線上任一點的電壓與故障點電壓建立起聯系，得出了傳輸線上電壓信號在故障點處的奇異性，並以此作為構造新的故障檢測演算法的理論基礎； （ 2 ）將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中，針對目前相關研究的不足，提出了電力系統故障檢測判據的補充判據，通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析，給出了一個可行的解決方案；模擬研究表明：這是一個快速、準確、有效的故障檢測演算法。 -
The kalman filter theory is introduced and the dynamic error vector equation of the initial alignment is derived at the first. using velocity error as exterior value of observation, maneuverable characteristic that is influenced with system ' s observability and its degree is studied at length by do amount of simulations and experiences. choosing output error of accelerometers and angle error of attitude as observation respectively and system observation model is derived, which is based on analyzing kalman filter theory
首先介紹了卡爾曼濾波理論及相關技術，建立了系統卡爾曼濾波的狀態方程和觀測方程；首先採用速度誤差作為觀測值，詳盡的研究了系統機動特性對可觀測性和可觀測度的影響，並做了大量模擬實驗：通過對濾波原理的分析研究了影響的原因；分別選用加速度計輸出誤差和轉臺輸出姿態角誤差作為外部觀測值，推導建立它們的觀測模型，並通過模擬證明了分析結論的正確性。 -
According to the filter matrix particularity, the filter equation was solved by using conjugate gradient method
並根據濾波矩陣的特殊性， ?用共軛梯度法求解濾波方程。 -
Because the ins error equation is unstable, some initial states error will cause error floating and error accumulating, if the filter observations were only position error, kalman filter will converge very slowly, and some states error ( such as yaw error ) will be great. since the milemeter altimeter and piloting could only output position information, this paper put forward a method, firstly estimateing states and then kalman filtering, to improve filtering effect. simulation proved that this method could effectively reduce the system states error, quicken filtering convergence and improve filtering precision
由於慣導系統（ lsins ）的誤差方程是發散的，某些初始狀態的誤差會引起誤差的漂移和積累，當觀測量只有位置誤差時，卡爾曼濾波的收斂速度很慢，某些狀態（如方位角）誤差很大，而以上除慣導外的其它導航傳感器直接提供的只是位置信息，為了改善濾波器性能，本文根據里程計等傳感器的特點，提出了首先對狀態做出估計，然後在狀態估計的基礎上，進行卡爾曼濾波的方法。 -
The presented dissertation mainly discusses the non - linearity existing in monostation and multistation radar measurement. the first part of this dissertation integrated the non - linearity with the uncertainty of measurement system, and presents a secondary order filter for correcting measuring variance while the measurement equation is non - linear. by comparing the filter error of extended kalman filter with that of secondary order filter, we find the filter performance of these two filters are almost same
本文主要討論單站與多站雷達中的非線性測量問題，在1中，我們把測量系統的非線性與測量系統的不確定性聯系起來，針對只有測量方程是非線性的情況，給出了一種修正測量方差二階濾波器，並用這種二階濾波器分析了推廣kalman濾波器的濾波誤差，指出推廣kalman濾波器與二階濾波器相比，濾波性能幾乎相同。 -
Finally, according to dynamics model and optical principle, we have designed three different routes and build up this system ’ s equation of state and observation, and make use of kalman filter to estimate lunar - rover ’ s position, velocity and attitude
在月球車動力學及光學成像原理的基礎上，對三個模型分別建立了該系統的狀態方程及觀測方程來對月球車的相對位置、姿態進行估計，並給出了模擬結果。 -
The equation of selecting filter capacitor is derived to make the feedback energy which is produced by the inverter to be minimum. the value of the capacitor has been decreased from 20u. f to 7. 6fif and the efficiency has been improved by 1. 5 %. the maximal filter inductor value has been given on the base of the hysteresis control principle
推導出了使逆變橋的無功回饋能量最小的濾波電容取值公式，原理樣機的濾波容因此從20 f減小到7 . 6 f ，減小了62 ；系統的效率提高了1 . 5個百分點，重量也有所減小。 -
( 2 ) a method of regarding the target speed constraints as additional measures and addsing it to measure equation is presented, the constraints intensity is decided by noise variance. it can improve the location precision of the modified gain extended kalman filter
2給出一種把運動目標（敵艦艇）的航速約束當作增加的測量值加入到測量方程的方法，約束的強度由約束條件的噪聲方差確定，可提高修正增益推廣卡爾曼濾波定位演算法的定位精度。 -
By using the lagrange multiplier approach, the design procedure is formulated as solving the linear equation iteratively to obtain the desirable prototype filter coefficient vector
使用拉格朗日乘數方法，演算法通過迭代求解線性方程來獲得期望的原型濾波器系數矢量。 -
This paper presents and probes into several filtering schemes for the deep space explores attitude measurement system composed of star sensors and gyros. under the stellar - inertial modes, two attitude determination algorithms are designed which use the extended kalman filter. one of the algorithms is to linearized the state equation based on the optimal estimation
本文中以星敏感器和光纖陀螺為基本配置組成的深空探測器姿態測量系統為對象，針對星敏感器與光纖陀螺聯合定姿模式和基於星敏感器的定姿模式，對深空探測器的三軸姿態濾波技術方案進行了設計與研究。 -
The major research works are divided into five sections, including warship bearings - only tracking maneuver research, warship bearings - only tracking research, multi - warships passive data association research, multi - warships passive location research and the engineering implementation of bearings - only passive location systems. the detailed research works are outlined as follows : ( 1 ) a method of evasion factor matrix is presented, which can add the possible patrol zone of targets ( enemy ' s warships ) according to intelligence, and the land and island information provided by electronic chart to the modified gain extended kalman filter, and modifies state equation. it can improve the location precision of the modified gain extended kalman filter
研究內容共分五個方面，分別是單艦純方位無源定位機動研究、單艦純方位無源定位跟蹤研究、多艦無源數據關聯研究、多艦純方位無源定位研究以及艦艇純方位無源定位系統的工程實現，主要完成了如下的工作： 1提出一種規避因子矩陣的方法，把根據情報獲得的目標（敵艦艇）可能活動區域，以及電子海圖提供的陸地島礁信息加入修正增益推廣卡爾曼濾波器中，對目標狀態方程進行修正處理，可提高修正增益推廣卡爾曼濾波定位演算法的定位精度。
分享友人