聯合估計法 的英文怎麼說

中文拼音 [liángěgūjìfǎ]
聯合估計法 英文
simultaneous estimation method
  • 聯 : Ⅰ動詞（聯結; 聯合） unite; join Ⅱ名詞（對聯） antithetical couplet
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 聯合 : 1 （聯系使不分散;結合） unite; ally 2 （結合在一起） alliance; union; coalition 3 （共同） joint;...
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. A 3d fiducial - referential un - esprit algorithm suitable for joint azimuth - elevation - carrier estimation in unknown noise environment

    未知噪聲背景下的波達方向及載波頻率三維聯合估計方法
  2. 7. in chapter 8, a new method for estimating the doppler and multipath time delay of the overlapping echoes for lfm pulse radar by only one period pulse signal is presented

    7 .在第八章提出了一種對lfm脈沖雷達回波d叩pler頻移和多徑時延進行聯合估計的方法。
  3. A novel joint estimation algorithm for ranges, frequencies and doas of multiple near - field narrowband sources is proposed in the near field is proposed

    摘要提出了一種新的多個近場窄帶信源距離、頻率及到達角三維參數的聯合估計演算法。
  4. Several carrier frequency estimation algorithms including ekf and rls with opened loop are analyzed, which aim to settle the carrier phase estimation problem preferably under high dynamic circumstances. an improved phase and frequency esti - mation algorithm is proposed in the paper. simulation results show that the algorithm is faster and more precision than other algorithms

    為更好地解決高動態環境中的載波同步問題，本文進一步研究了存在動態多普勒頻移情況下的開環相干載波同步問題，包括基於擴展卡爾曼濾波、最小二乘演算法等的頻差、相差聯合估計方法。
  5. Analysis of ambiguity - function of lfmcw radar, including symmetrical triangular lfmcw signal and multiple periods ’ symmetrical triangular lfmcw signal. 3. this dissertation advances new theories of lfmcw radar signal detection and estimation, including method for acceleration and velocity estimation based on polynomial phase transform ; method for multi - target acceleration and velocity estimation based on modification polynomial phase transform

    包括基於多項相位變換的lfmcw雷達速度和加速度估計方法;基於修正多項相位變換的多目標lfmcw雷達速度和加速度估計方法;基於一般高斯噪聲環境下的lfmcw雷達速度和加速度聯合估計方法;另外提出了基於頻域增采樣內插方法以提高lfmcw雷達測距精度。
  6. In this paper, we use fft beam - - form technique to increase the number of beams and bearing deviation indicator ( bdi ) and sp1 it - - aperture corre1ation a1gorithms are used to estimate the time of arrival ( t0a ) and direction of arriva1 ( d0a )

    本文在分析借鑒國外資料的基礎上，研究了利用fft波束形成技術來增加波束形成數目，並應用bdi演算法和分裂孔徑相關法來完成對海底回波信號的時間和方向的聯合估計等相關技術對海試數據進行處理。
  7. The problem of doa ' s estimation of multiple source signals incident on a arbitrary array in the presence of both unknown spatially correlated noise and sensor errors is firstly considered. a modified ml estimation of doa ' s and sensor gain errors is presented. unlike previous work, the proposed method does not impose any structure constraints or parameterization of the signal and noise covariances. the algorithm can be carried out via the alternating projection approach. finally, the performance of the proposed method is shown with computer simulations as well as real array data

    在空間相關色噪聲環境及存在陣列模型誤差情況下，首先給出了基於最大似然的doa及陣列幅相誤差聯合估計演算法，該演算法對信號和噪聲無任何約束，且適用於任意陣列結構。演算法可以利用交替投影迭代搜索實現，計算機模擬實驗和外場實測數據表明，本章演算法能給出比傳統的最大似然方法更高的估計性能。
  8. We express the true trajectory of the aircraft by means of spline function, and then use measuring data from multichannel to estimate the spline coefficient

    在建立了樣條函數表示載機真實航跡的模型后，採用多測量信號聯合估計樣條系數的方法實現融合。
  9. The approach extends the parallel factor ( parafac ) analysis model from the common data - domain and subspace multiple invariance sensor array ( mi - sap ) formulations to the cumulant one, and forms three - way arrays by using the cumulant matrices got from array outputs, and analyzes the uniqueness of low - rank decomposition of the three - way arrays, then jointly estimates the ranges, frequencies and doas from the matrices via low - rank decomposition

    該演算法將通常在數據和子空間域應用的平行因子分析模型擴展至高階累積量域，利用陣元輸出計算的高階累積量矩陣構造三面陣，分析了該三面陣低秩分解的唯一性，並從分解得到的多個矩陣中聯合估計信源距離、頻率及到達角。
  10. Within one single source echo, both doa and time - delay can be estimated simultaneously by this algorithm via high - resolution rotational invariance technique and high - resolution time - delay frequency ( tdf ) technique. the esprit - tdf algorithm has features of low computation, good precision, and high resolution both in doa and time - delay. it is suitable for multiple source exact localization

    該方法利用高分辨旋轉不變技術和高分辨時延頻率技術，可在單次目標回波內實現多目標信號的方位和時延參數的高分辨聯合估計，具有運算量小、分辨能力強、估計精度高等特點，能夠對多目標進行高分辨精確定位。
  11. Hybrid error concealment for compressed image transmission based on space and wavelet domain

    空間域聯合估計的差錯隱藏演算法
  12. After analyzing the performance of the coherent tree - structured optimal joint detection ( tsojd ) for qpsk signals and deriving a non - coherent multi - user weight / phase estimator, the dissertation proposes a low complexity non - coherent multi - user weight / phase optimal joint detection algorithm. besides, the dissertation proposes a partial coherent multi - user / iv weight / phase optimal joint detection algorithm and some useful conclusions are obtained in comparison experiments. 4. in the research on the diversity techniques for fast fading multi - path channels, the dissertation proposes a time - scale rake receiver, and analyzes its performance with the conception of auto - wavelet - transform ( awt ) and time - - scale resolution

    提出了過飽和低復雜度qpsk信號的樹型最佳聯合檢測演算法，並分析了相應最佳接收機的性能及相位偏差對性能的影響等問題；考慮了載波相位和多用戶信碼的聯合檢測問題，通過理論推導給出了過飽和多址系統中多用戶信碼/相位聯合估計子，提出了低復雜度非相干多用戶信碼/相位最佳聯合檢測演算法，並分析了此非相干最佳接收機的誤碼性能及相位提取誤差等有關問題；提出了部分相干多用戶信碼/相位最佳聯合檢測演算法，通過計算機模擬分析了該接收機的誤碼性能及相位提取誤差等有關問題，並與相干、非相干解調兩種情況作了比較，得出了一些有益的結論。
  13. An algorithm for jointly estimating range, doa and frequency of near field source

    頻率及到達角聯合估計演算法
  14. Finally, the joint estimation of channel response and rms delay spread is discussed

    最後給出了一種通道響應及rms時延擴展聯合估計的簡單方法。
  15. 5. a computationally attractive algorithm based on the propagator method is proposed for simultaneous estimation of the direction - of - arrivals and frequencies of multiple narrowband signals received at spatially separated sensors. the frequencies are found by the eigenvalues of a constructed lower dimension matrice. the arrival angles are then estimated using the associated eigenvectors as well the estimated frequencies

    在第六章基於傳播運算元方法給出了頻率、角度聯合估計的一種快速演算法，由於其避免了高維矩陣的特徵分解，因而具有更低的計算復雜度，且演算法適用於一般的陣列結構，二維參數自動配對，易於實時實現。
  16. A series of experiments by using the experimental system in the water tank for parameter estimation and source localization are conducted on doa estimation, joint doa and time - delay estimation, and joint time - frequency estimation. in the case of different parameters, the performance of the estimation algorithms is investigated, including beamforming, music, tmusic, mini - norm, tmini - norm, bmusic, tbmusic, dbmusic, tdbmusic, esprit - tdf, and rid

    針對不同的目標情況，在方位估計方面分別研究波束形成法、 music法、 tmusic法、 mini一norm法、 tmini一norm法、 bmusic法、 tbmusic法、 dbmusic法、 tdbmusic法的估計性能，在方位一時延聯合估計方面分析了esprit一tdf法的估計性能，在時頻參數聯合估計方面討論了rid的估計性能。
  17. Based on fourth - order cumulant, a computationally efficient method for joint estimating both directions of arrival and ranges of near field sources with known carrier frequency is firstly presented. the proposed algorithm need not any spectral peak searching and the 2 - d parameters are automatically paired. lt is suitable for arbitrary additive gaussian noise environment. in the following section, a 3 - d esprit method for jointly estimating of frequencies, doa ' s and ranges of multiple near - field sources with unknown carrier frequencies is proposed. the parameters estimation are given by the eigenvalues of different matrices. furthermore, its performances are confirmed by several computer simulations

    利用四階累積量，第五章首先給出了一種載頻已知的情況下基於近場源的距離和波達方向聯合估計演算法，通過構造的陣列輸出信號四階累量矩陣使空間信號到達方向和距離估計無需譜峰搜索，且參數自動配對，適合於任意高斯噪聲環境。進一步在第三節提出了一種載頻未知的情況下的多個近場窄帶信號源doa 、距離和頻率聯合估計的3 - desprit演算法。
  18. A blind joint angle and delay estimation method based on trilinear alternating least square technique in uniform circular array ( tals - cjade ) is also presented in section 3, and a blind joint angle and delay estimation method based on complex parallel factor in uniform circular array ( comfac - cjade ) is given to improve the tals - cjade convergence performance

    傳統聯合角度和時延估計方法在過載情況下（用戶數大於陣元數）不能正確估計。與傳統聯合角度和時延估計方法相比， tals - ljade和tals - cjade演算法具有較好doa和時延的聯合估計性能，且在過載情況下仍有較好的性能。
  19. Then based on the cyclostationarity of ofdm symbol, a synchronization algorithm for the joint estimation of timing offset and frequency offset is proposed and discussed in detail

    並在此基礎之上提出了一個基於循環平穩的ofdm定時偏移和頻率偏移的聯合估計演算法。
  20. The method based on joint parameter estimation shows preferable performance almost at all times, in cases of various number of targets and various type of signal envelope

    基於參數聯合估計的多目標定位方法在不同目標數目、不同信號包絡的定位實驗中都有較好的表現。
分享友人
分享到 Line

分享到臉書