最佳估計演算法 的英文怎麼說
中文拼音 [zuìjiāgūjìyǎnsuànfǎ]
最佳估計演算法
英文
optimal estimation algorithm- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 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...
- 演 : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 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...
- 最佳 : the best; optimum
- 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
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Experiments show that the efficient motion estimation algorithm proposed can further reduce block matching distortion computations relative to conventional fast motion estimation algorithms with neglectable coding efficiency loss ( within 0. 1db )
提出一種基於節點模型的可變形塊匹配運動估計演算法來搜索最佳運動矢量。實驗表明,在編碼性能損失很小的條件下,可以使得運動搜索塊匹配的運算量在通常快速運動搜索演算法的基礎上下降61 % 。Then we present a toa / tdoa data fusion model based on mathematical statistics for radiolocation in cellular network, and fuse toa / tdoa measurements through a best linear fusion method and a mobile position based dynamic location algorithm, which shows good performance of robustness and accuracy
然後,從數理統計的角度出發,構造了一個toa和tdoa進行位置估計的數據融合模型。主要利用一種最佳線性融合策略和基於移動臺位置的動態定位演算法對toa和tdoa測量數據進行融合,有效的提高了演算法可靠性和準確度。This thesis mainly discusses the techniques of channel estimation in frequency domain, which utilizes the optimized leading sequence. an enhanced method for searching optimized leading sequences is introduced based on existing documents. this method can decrease the errors and make the searching and caculating easier
本論文主要討論用最佳前導序列在頻域中進行通道估計的問題,在前人的基礎上提出一種改進型的搜索最佳前導序列的方法,可使得估計誤差減小且便於搜索計算,模擬驗證了演算法的有效性。Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved. the volume of the bubbles can be estimated on the bubbles " area information, and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences, which solve tracking problem under complex conditions efficiently, such as some bubbles may have kinetic occlusion and crossover, some newly generated bubbles may entered into flow field and run away. a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized
根據氣泡在圖像平面中的面積估計氣泡的體積,並對流場中的所有氣泡採用遺傳演算法進行最佳的匹配跟蹤,有效地解決了氣泡群在流場中出現如遮擋、交又、新它『出現、逃逸等復雜情況下的準確跟蹤,並採用三次樣條插值方法對離散的質心點軌跡進行擬合,得到氣泡在流場中平滑的運動軌跡,從而實現了摻氣水流特性的可視化測童。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。Simulation results for a numerical example show preliminarily that this method for estimating spreading time of tsd channel with a proposed multi - hypothesis rci is simple, convenient, and feasible. then the experiment is carried through in tank for verifying the results including detection capability of src and rci and feasibility of proposed multi - hypothesis rci for estimating spreading time of tsd
接著進行水池實驗驗證了ffd和tsd通道的最佳似然比檢測器分別為src和rci ,並針對實驗環境對多重假設的rci演算法作了改進,估計了tsd通道的擴展時間。H. 264 iso iec 14496 - 10 avc. itu - t sg16 q. 6 vceg and iso iec jtc 1 sc 29 wg 11 mpeg, jvt - g050r1, may 2003, pattaya. 3 li r, zeng b, liou m l. a new three - step search algorithm for block motion estimation
為了降低運動估計的復雜度,研究者們已經提出了很多方法,例如三步搜索演算法,基於塊的梯度下降演算法,鉆石型搜索演算法,六邊形搜索演算法,這些演算法都基於這樣一個假設:離起始搜索點越近,越有可能搜索到最佳運動矢量。Integrating multirate signal processing theory and classical spectrum estimation theory, a brand new multiresolution spectrum theory is provided and a special algorithm is discussed in great detail. the polyphase decomposition theory is also applied to optimize the algorithm and improve the computing efficiency
本文結合多抽樣率信號處理理論和傳統譜估計理論,提出了嶄新的多分辨譜估計理論,並給出了具體的實現演算法,解決了譜估計中如何達到頻率解析度和時間解析度的最佳組合的問題。On the ground of mpda algorithm and the conclusion of its steady - state performance evaluation, the choice of the detection threshold becomes a matter of optimization under the condition of properly chosen detection model and hypothesis. and the analytic expression of auto - adjusted detection threshold can be deduced via approximate fitting attenuation factor derived from the conclusion of performance estimation. it presents a novel approach for the optimization of detection - tracking system
基於mpda演算法及其穩態性能估計的結論,在適當選擇檢測模型和一定假設條件下,將自適應檢測門限的選擇歸結為一個最優化問題,通過近似擬合性能估計結論中的衰減因子,得到了最佳檢測門限自適應調整的解析表達式,為檢測?跟蹤系統的聯合優化設計提供了一種新思路。分享友人