integer ambiguity造句
例句與造句
- New algorithm for fast integer ambiguity resolution
一種新的整周模糊度快速求解算法 - A solution for solving the integer ambiguity and a method for detecting the cycle slip are presented
提出了一種求解整周模糊度的方法和一種探測(cè)和修復(fù)周跳的方法。 - High precision positioning is based on carrier phase measurements . how to confirm integer ambiguity is very important
以載波相位觀測(cè)量為依據(jù)進(jìn)行高精度定位時(shí),整周模糊度的確定是一個(gè)關(guān)鍵問題。 - In this paper , i emphasize the key technology in the aircraft ' s real - time positioning - the method to fix the integer ambiguity of gps carrier phase
本文著重研究機(jī)載gps精密定位系統(tǒng)的關(guān)鍵技術(shù)? ?確定載波相位整周模糊度的方法。 - Integer ambiguity resolution is the key problem of gps based real - time attitude determination system which use double differencing carrier phase observables
Gps姿態(tài)測(cè)量通常采用雙差載波相位觀測(cè)量，因此整周模糊值解算成為gps實(shí)時(shí)姿態(tài)測(cè)量的關(guān)鍵問題。 - It's difficult to find integer ambiguity in a sentence. 用integer ambiguity造句挺難的
- In order to achieve high precision results and advance efficiency within a short observation time , the integer ambiguity has to be solved fast and correctly
準(zhǔn)確和快速地解算整周模糊度,對(duì)于保障相對(duì)定位的精度,縮短觀測(cè)時(shí)間以提高作業(yè)效率,是極其重要的。 - In the process of gps triple frequency observables , the rms of the integer ambiguity isn ' t fit for detecting and correcting cycle slips for the pseudo - range noise
摘要在gps三頻非差觀測(cè)數(shù)據(jù)的處理中，由于偽距噪聲的影響，利用原始的偽距和載波相位觀測(cè)數(shù)據(jù)估計(jì)的模糊度誤差比較大，不能用于探測(cè)和改正周跳。 - In this thesis , an arithmetic in single epoch without integer ambiguity resolution and cycle slip detection and repair is given for single frequency receiver . applying the arithmetic , we can get the same high positioning precision
應(yīng)用此方法,不需要進(jìn)行復(fù)雜的整周模糊度確定和周跳探測(cè)與修復(fù)等處理過程,而達(dá)到同樣的定位精度。 - The key problems of gps carrier phase measurement are how to solve the integer ambiguity of gps carrier and how to detect and compensate the cycle slip of gps carrier in the period of navigation process
載波相位測(cè)量定位的關(guān)鍵問題是如何確定整周模糊度和周跳的探測(cè)和修復(fù)。本文對(duì)此問題展開研究，討論了在載體動(dòng)態(tài)運(yùn)行環(huán)境下，動(dòng)態(tài)整周模糊度問題和周跳的探測(cè)與修復(fù)問題。 - Recently , with the development of gps , many researchers pay attention to the aircraft ' s precise entrance and landing through gps carrier phase measurement . the key technology of aircraft ' s precise entrance and landing is gps carrier phase integer ambiguity resolution on the fly
近年來，隨著gps的發(fā)展和完善，利用gps載波相位觀測(cè)量實(shí)現(xiàn)飛機(jī)的精密進(jìn)場(chǎng)與著陸的研究，開始受到人們的關(guān)注，而載波相位整周模糊度的動(dòng)態(tài)確定是其中的關(guān)鍵技術(shù)。 - The first step is to get the floating value by integrating the integer ambiguity of gps carrier signal as a state variable with ins . the second step is to get the fix value by integral filter algorithm . thirdly , the methods for detecting and compensating the cycle slip are researched
其次研究了載波信號(hào)整周模糊度求解算法問題，提出了一種新的求解方法，即把整周模糊度作為狀態(tài)變量通過與慣導(dǎo)的組合得到模糊度的浮動(dòng)解，然后利用組合濾波器快速算法來實(shí)現(xiàn)整周模糊度的求解。 - So , in this paper , the problems in this field are studied and the improving algorithm is proposed and simulated . and then , the statistics of integer ambiguity estimation are analyzed ; the method of improving the success probability of integer ambiguity estimation is presented . the research and consequence are as follows
本文對(duì)此進(jìn)行了理論分析，提出了相應(yīng)的算法，并進(jìn)行了計(jì)算機(jī)仿真；此外，還研究了整周模糊度估計(jì)的統(tǒng)計(jì)特性，提出了提高整周模糊度估計(jì)成功概率的方法。 - Z - tranformation augmented fasf algorithm proposed in the dissertation can reduce the search space of integer ambiguity effectively , improve the effiency and real - time processing ability of integer ambiguity resolution ; it is essential to analyse the reliability of integer ambiguity after it was fixed , the ratio test algorithm proposed in the dissertation can reduce the time to fix new integer ambiguity after wrong fixes are detected ; to reduce further the number of epochs required for ambiguity resolution , that the baseline length constraint information which acts as observables is used to do kalman filtering to speed up ambiguity resolution is proposed
本文提出的z變換增強(qiáng)fasf算法能有效的減小模糊值搜索空間，提高整周模糊值解算的速度和實(shí)時(shí)性；整周模糊值確定后，需要對(duì)整周模糊值的可靠性進(jìn)行分析，本文提出的比率檢測(cè)算法能有效的減少整周模糊值錯(cuò)誤確定后整周模糊值二次解算所需要的時(shí)間；為了進(jìn)一步減少整周模糊值解算所需的歷元數(shù)目，本文提出把基線長(zhǎng)度先驗(yàn)信息作為觀測(cè)量進(jìn)行卡爾曼濾波輔助整周模糊值求解。 - The accurate float ambiguity solutions and their msem ( mean squared error matrix ) are obtained using several - epoch single frequency phase data . combining with lambda method , the new approaches can fix the integer ambiguities correctly and quickly using msem instead of the covariance matrix of the ambiguities
新方法只需要解算幾個(gè)歷元的單頻gps相位數(shù)據(jù)，可以得到比較準(zhǔn)確的模糊度浮動(dòng)解及其相應(yīng)的均方誤差矩陣，用均方誤差矩陣代替協(xié)方差陣，結(jié)合lambda方法，可準(zhǔn)確快速地解算模糊度。 - The gps pseudorang observation equation and carrier phase observation equation are constructed and linearized . the lambda is regarded as a more effective algorithm for realizing arof ( ambiguity resolution on the fly ) after analyzing and comparing a lot of gps integer ambiguity resolution algorithms . the integer least squares estimation of the lambda is analyzed , and the result shows that the key process of integer least squares estimation is gps ambiguity decorrelation
3 )利用馬爾柯夫估計(jì)，推導(dǎo)了gps整周模糊度估計(jì)矢量和導(dǎo)航定位參數(shù)估計(jì)矢量的表達(dá)式，以及相應(yīng)的協(xié)方差矩陣；構(gòu)造了gps測(cè)碼偽距和測(cè)相偽距的觀測(cè)模型，并分別進(jìn)行了線性化處理；分析比較了多種gps整周模糊度確定算法，認(rèn)為lambda算法是實(shí)現(xiàn)整周模糊度動(dòng)態(tài)確定( ambiguityresolutiononthefly ? arof )較為有效的算法；然后對(duì)lambda算法中整數(shù)最小二乘估計(jì)進(jìn)行了深入的分析，得出結(jié)論：模糊度去相關(guān)處理是整數(shù)最小二乘估計(jì)的關(guān)鍵過程。