離差的原點 的英文怎麼說

中文拼音 [líchādeyuándiǎn]
離差的原點 英文
origin of deviation
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 原 : Ⅰ形容詞1 （最初的; 原來的） primary; original; former 2 （沒有加工的） unprocessed; raw Ⅱ動詞（原...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  1. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析信號特徵的基礎上，獲得了該體制引信差頻信號中，距離信息的存在形式和特點，得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論，即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論，結合無線電引信的具體特徵，提出了適用於無線電引信的頻率捷變序列的選擇原則，並構造了基於rs碼的寬間隔頻率捷變序列族。
  2. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控陣天線測角原理為基本理論出發點，利用相位控制的坐標分離技術，基於線陣、圓形陣等簡單形式的相控陣天線，推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。
  3. On the other hand, the moment, the second moment and variance of the present value random variables about some life annuities and annuities with random interest rate are gotten

    另一方面討論了隨機利率下的一些離散年金、連續年金和連續生存年金現值隨機變量的一階和二階原點矩及其方差。
  4. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  5. Based on the output - voltage error function, a novel time discrete modulation technique is proposed for matrix converters ( mcs ) and time - discrete difference equations of a mc circuit are derived

    摘要針對矩陣變換器調制方式的特點，提出了基於輸出電壓誤差函數分析的矩陣變換器離散調制技術，推導了基於時間離散和差分原理的電路方程。
  6. Aiming at the enhanced positioning accuracy of wireless sensor network node location, an improved positioning algorithm which uses a differential error correction scheme that is designed to reduce cumulative distance error and node location error accumulated over the multiple hops is proposed in this paper, together with its basic principle and realization issues

    摘要本文針對無線傳感器網路節點的定位精度問題，提出了一種採用誤差修正的方法來降低累積距離誤差和定位誤差的傳感器網路節點定位改進演算法，給出了該演算法的基本原理與實現方法。
  7. This paper began from the definition gender and analyzed the traditional concepts of equality and tried to explain that the former what - is - called equality wrong point of view which wanted to efface the existing difference between man and woman and wanted to get the absolute equality. with the help of some postmodern terms and views, the writer tries to descontruct the traditional mode of equality and tries to take advantage of the individual characters of man ' s and woman ' s to make them can enjoy differential equality on the basis of admitting the i nfluence of gender on man and woman. the writer also suggests that the party that take more duties or lossed because of the differential equality should be compensated by the government through the laws, policies and economic approaches

    然而，現實生活中，女性得到的平等權仍是形式上的平等，離真正的男女平等還相差甚遠，造成此現象的原因是多方面的，本文僅從「社會性別」這一概念入手，通過對傳統平等觀的剖析，說明以往的平等權是一種企圖抹殺客觀存在的男女性別差異和社會性別的影響，要求男女絕對一樣的平等的錯誤觀點，筆者藉助后現代主義的部分觀點試圖解構這種傳統固定的平等模式，以期在承認社會性別對男女影響的基礎上，發揮、利用男性與女性各自的優點和特點，對其實行有差別的平等，對由於實行「有差別」的平等給女性（或男性）造成的損失或對多承擔義務的一方，國家從法律、政策、經濟等多方面對受損害者和多承擔義務者給予救濟，以此達到女性平等權的真正實現。
  8. The paper studies composition of grasshopper community in different habitats, found that differences in family, genus and species and analyzed the causes of those. the author analyzed the following aspects by spss software and the measure of euclidean distance : ( 1 ) analyzed the relationship between grasshopper species and geographical distribution and divided 9 forestry belt into 3 main habitat model : low mountain conifer and broadleaf integrated forestry belt ; low mountain chanbai conifer forestry belt and middle - high conifer - betula ermam / - tundra belt ; adopted sum of deviation of square to clustered ecological species groups, and thus divided 48 grasshopper species into 3 main category, 12 ecological species groups

    在長白山地區蝗蟲生態分佈特點的研究中，主要應用spss軟體包、採用euclideandistance測度法對以下兩方面內容進行了分析： （ 1 ）對長白山地區蝗蟲地理分佈關系進行了分析，將長白山9個林帶劃分為三大生境型：低山針闊葉混交林帶、低山長白松林帶和中高山針葉?岳樺?苔原復合體； （ 2 ）利用離差平方和法對生態種組進行等級聚類，結合實地調查結果，將48種蝗蟲劃分為三大類12個生態種組。
  9. In he - 3 and de - 3, 16 protein spots that were absolutely different ( only expressed in diploid embryos but not in haploid embryos or vice versa ) and 16 protein spots that were up - and down - r gulated were identified unambiguously. in he - 2 and de - 2, 20 protein spots that were absolutely different ( only expressed in diploid embryos but not in haploid embryos or vice versa ) and 5 protein spots that were up - and down - regulated were identified unambiguously, some of these different proteins are correlative with eyes development, nerve development, development regulation, cell differentiation and maintenance, arthromere formation and signal transduction. it shown that gene expression have significant difference between diploid and haploid during embryos developing

    分別選取其中70個分辨好的差異蛋白質點進行原位胰蛋白酶酶解，酶解的肽片段用基質輔助激光解析電離分行時間質譜（ maldi - tofms ）得到肽質指紋圖譜，再在網上peptident軟體中搜索swiss - prot和trembl數據庫，初步鑒定了he - 3和de - 3上32個差異蛋白質點，其中包括16個表達量上有差異的蛋白質點（ p 0 . 05 ）和16個有無表達的差異蛋白質點，並且初步鑒定了he - 2和de - 2上25個差異蛋白質點，其中包括5個表達量上有差異的蛋白質點（ p 0 . 05 ）和20個有無表達的差異蛋白質點。
  10. In this paper, we analyze difference solutions of the burgers - kdv type equations with the periodic boundary condition by use of functional analysis method. the existence of difference solutions is proved by fixed - point theorem and the priori estimates of the difference solution are obtained using interpolation formula of sobolev space. the convergence and stability are proved

    本文應用泛函分析方法對一系列burgers - kdv型方程周期邊值問題的差分解進行了分析，運用各種不動點原理證明了差分解的存在性，應用sobolev空間的離散內插公式得到了差分解及其各階差商的先驗估計，利用得到的先驗估計證明了差分解的收斂性和穩定性。
  11. The corresponding measures for the administration were also suggested. content after reviewed and summarized its national and international development, we analyzed the cause of the emergence and development of the offshore finance, which showed that the offshore finance came from the potential difference of control and grew in the superiority of efficiency. by using statistical techniques, we predicted renminbi ’ s cross - border circulation and offshore amount, comparatively analyzed the characteristics of renminbi and us dollar, and derived the inevitability of the

    在對國內外離岸金融開展情況進行回顧和總結的基礎上，分析離岸金融產生與發展的原因，指出離岸金融產生的原因在於管制勢差，生命力在於效率優勢;運用統計學相關工具對人民幣跨境流通和境外存量進行預測，對比分析人民幣離岸金融與美元離岸金融的特點，分析了人民幣離岸金融產生的必然性。
  12. Consequently, a synthesized method is presented in this thesis, which includes time - domain shifting, window - length changing and window - type changing ( the second time - domain sequence lags behind the first one with l points, performing n - point fft analysis on the first sequence and m - point fft analysis on the second one with different windows, and finally correcting peak lines )

    利用這一原理提出通用的離散頻譜相位差校正方法：時域平移+改變窗長+改變窗函數，即第二段時域序列比第一段滯后l點，採用不同窗函數對這兩段時域分別作n點和m點的fft分析。
  13. The main work of the first part includes : analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array, comparing the measuring error of two kinds of array, discussing the characteristics of time delay in passive distance measurement, giving valid method of time delay estimation, and discussing the restriction of this method and the distance wrapping in passive ranging

    對三元非對稱陣被動測距技術的主要研究工作包括：分析了三元對稱陣和非對稱陣測向測距的原理，對兩種陣型的測向、測距誤差進行了對比分析，探討了三元陣被動測距中時延差的特點，提出了有效的時延差估計方法，並對該方法的局限性以及被動測距中存在的距離模糊問題進行了探討研究。
  14. This paper gives a detailed account of the waveform, matched - filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti - interference of the chirp signal. it deals with several methods to produce chirp signal and the advantages and disadvantages of these methods. it describes the working principle and performance of dds, analyses the phase errors initiated by the phase truncation and proposes a new scheme to solve the error

    本文詳細介紹了以下幾個方面：線性調頻信號的波形、匹配濾波器、模糊函數、速度分辨力、距離分辨力及抗干擾能力；產生線性調頻信號的幾種方法並簡要分析了各種方法的優缺點； dds的工作原理、性能指標，分析了相位截斷產生的相位誤差，並提出解決這種誤差的新方案；設計了一個產生線性調頻信號的具體電路。
  15. On this basis, the error theorem is obtained which divides the hausdorff distance between the original image and reconstructed image into two control parts. the fixed point of each contraction mapping is introduced, the fixed - point image ( which is tiled by all the fixed points ) is selected as an initial image when decoding, and is proved to be a good estimation of the attractor of the ifs

    在此基礎上，得到誤差定理，將原始圖像與迭代圖像間的hausdorff距離分為兩個控制項，並提出基於選擇初始圖像的分形圖像壓縮方法，引入不動點圖像，解碼時選擇不動點圖像為初始圖像，並證明不動點圖像是迭代函數系統的吸引子的一個較好的近似。
  16. The main features and applications of the lfmcw radar in the radar altimeters, automotive highway monitoring systems, warship navigation systems and other areas are reviewed first. based on the relevant research results, the liquid level measurement system are researched, included system design, the selection and computation of important parameter, the research of signal processing arithmetic, the development of hardware, the software realization of arithmetic and the debugging of signal processing system. the main research work and results can be summarized as follows : 1

    本文首先介紹了lfmcw雷達的特點以及應用，分析了液位測量雷達的測距原理以及距離解析度的影響因素，然後重點研究了lfmcw液位測量雷達系統設計考慮關鍵因素，完成了lfmcw液位測量雷達系統的設計方案和指標論證，提出了該雷達系統差拍信號處理演算法，並編寫軟體實現了該演算法，然後利用開發板實現了信號處理樣機，對信號處理演算法進行了驗證。
  17. At first, the fundamental principles on wavelet transform ( wt ) and its reconstruction, specially on one - dimension cwt, binary discrete a, # cwt and their reconstruction, are provided. next, the principles on vlsi realization of one - dimension cwt are expounded, and the relevant methods of the implementation are classified and compared with each other. a systematic algorithm for approximating the wavelet function and a example of calculation are gived. it is demonstrated by the example that the algorithm is simple, effective, low erroneous and can be applied to approximating the wavelet function with analytic expression or equal interval samples in time - domain

    論文介紹了小波變換特別是一維連續小波變換和二進離散，柵格下的連續小波變換與重構的基本原理；闡述了小波變換vlsi實現的原理，並對相關的實現方法進行了分類和比較；提出了一種系統地逼近小波函數的演算法，並給出了計算實例；計算結果表明，該演算法簡單、有效、誤差小且適合於逼近具有時域解析表達式或給定了等時間間隔時域樣點值的小波函數。
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