速度模糊度 的英文怎麼說
中文拼音 [sùdùmóhúdù]
速度模糊度
英文
velocity ambiguity- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 糊 : 糊名詞(樣子像粥的食物) paste
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
- 模糊 : 1 (不清楚) dim; vague; indistinct; obscure; fuzzy; blurred 2 (混淆) blur; obscure; confuse; m...
-
Through the detailed analysis of the aaf, the defection of using chirp - fourier transform in guidance radar signal processing is pointed out
通過對加速度模糊函數的形態分析也指明了針對線性調頻信號的二次相位匹配處理( chirp - fourier變換)在應用到制導雷達信號處理中所存在的缺陷。In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits
論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。The representation of aaf and its resolution not only enriches relative theory of radar signal processing and is instructive in radar parameter design and performance analysis, but also provides a practical method to quantitatively evaluate the acceleration effects on signal processing
加速度模糊函數及其分辨力的概念不僅豐富了雷達信號理論的有關內容,為雷達參數設計和性能分析提供了一定的指導意義;而且也為實際工作中定量地衡量加速度對信號處理的影響提供了分析手段。Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used
通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題,採取時間波門的處理方法。In accordance with the problem that the fcm algorithm is quite time - consuming for search out cluster cancroids and may not be suitable for on - line modeling and control. this dissertation proposed an improved fuzzy identification method based multistage random sampling fuzzy c - means clustering algorithm ( mrfcm ). it has higher approximate precision and the cpu time has slowed down sharply compared with the common fuzzy
Johnyen和liangwang介紹了幾種應用於模糊模型的信息優化準則,本論文在此基礎上對統計信息準則進行一些改進,並與快速模糊聚類和正交最小二乘方法結合,提高了模型的辨識精度和泛化能力。The result of the simulation indicates that auto - anti slide differential gear system based on fuzzy logic control has a perfect anti - slide quality, its antomaticity and practicality are well -
結果表明:基於模糊控制的自動防滑差速系統防滑性能好,自動化程度高,可實施性好。Clustering analyse is a method of data disposing and include hard clustering, fuzzy clustering and feasibility clustering. the operation speed of hard clustering is higher, but it dissevers the relations of samples. fuzzy clustering overcome it, but there is local best the thesis brings up a improved method to overcome it by combining hard clustering and fuzzy clustering
針對聚類分析中的硬聚類方法、模糊聚類方法和可能性聚類方法,硬聚類方法速度快,但割裂了樣本之間的聯系;模糊聚類克服了這一缺陷,但存在局部最優,為此將硬聚類和模糊相結合,提出一種新的聚類分析方法。Development of 1 kva three - phase inverter with high - frequency soft - switching
整周模糊度動態快速求解According to the different sample set, we have been on discussion, using lagrangian multiplier technique or lmt in the optimal theory, slt and function analysis , then we get the decision function and svm with the corresponding different sample set. thirdly, for improving generalization ability, application ability and recognition speed of svm, we have used fuzzy set theory ( fst ) and rough set theory to study svm deep, and integrated them into svm, constructed fssvm ( fuzzy set svm ) and svm based on rough set theory, and extended performances of svm in the chapter 4, 5
再次,為了進一步提高支持向量機的通用性以及推廣能力、應用能力、識別速度等性能,在第四、第五兩章運用模糊集理論( fst )和粗糙集理論( rst )對支持向量機進行研究,採用優勢互補原則,先是把模糊集與支持向量機有機結合,構造出基於模糊集的支持向量機( fssvm ) ,然後把粗糙集理論與支持向量機相互結合,進而把rst與fssvm相互結合,構造出基於rst的支持向量機。The results also show that saastamoinen / niell model can remove the most of the tropospheric delay, and then significantly improve the success rate and the reliability of ambiguity resolution. 4
結果顯示,不論在模糊度解算的成功率和可靠性上,還是在計算速度上,加權最小二乘法都優于kalman濾波。New algorithm for fast integer ambiguity resolution
一種新的整周模糊度快速求解演算法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
準確和快速地解算整周模糊度,對于保障相對定位的精度,縮短觀測時間以提高作業效率,是極其重要的。Design of shear feed rate fuzzy controller in machine tool
機床切向進給速度模糊控制器的設計A real - time estimation of a prior variance - covariance of gps observations is developed for the ( near ) instantaneous ambiguity resolution for short - baselines, which improves the stochastic model of the observations, and then the success rate and the reliability of ambiguity resolution
針對短基線模糊度的快速解算,提出了一種實時估計觀測值方差-協方差矩陣的方法,改進了觀測值的統計模型。算例顯示這種方法能提高模糊度瞬時解算的成功率。The fourth part of the paper discusses the way that how to compute the ambiguity quickly and correctly
在論文的第四部分中,主要是闡述如何快速求解整周模糊度。Precise kinematic gps surveying in single - baseline mode is investigated with the emphasis on the ( near ) instantaneous ambiguity resolution for short - baselines, on the ambiguitiy resolution for long - baselines and on quality control. the main achievements of this paper are as follows : 1
本論文針對單基線動態測量模型,就短基線模糊度快速解算、中長距離模糊度解算、 gps動態測量(包括定位、測速和姿態測量)以及周跳檢測與修復等質量控制問題展開研究。Because formation satellite ' s relative position is very close and the geometry can change easily, based on the relative motion of satellites, the initial phase bias could be quickly resolved simulation solution indicates that phase bias can be determined quickly and the relative states accuracy should be improved by using initial phase bias
由於編隊衛星相對距離近,相對構型容易改變,因此採用衛星相對機動的方式進行整周模糊度的快速初始化。模擬結果表明,基於衛星機動,整周模糊度可很快初始化。利用初始化的整周模糊度,相對狀態的解算精度會大大提高。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歷元的單頻gps相位數據,可以得到比較準確的模糊度浮動解及其相應的均方誤差矩陣,用均方誤差矩陣代替協方差陣,結合lambda方法,可準確快速地解算模糊度。In order to improve the accuracy and the real time performance of edge detection, a method need to be found to match the detection of low contrast blurred welding seam image
為提高邊緣檢測的準確性和實時性,需要尋找一種適合於低對比度模糊焊縫圖象邊緣檢測的快速方法。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整周模糊度求解演算法問題,提出了一種新的求解方法,即把整周模糊度作為狀態變量通過與慣導的組合得到模糊度的浮動解,然後利用組合濾波器快速演算法來實現整周模糊度的求解。分享友人