相位誤差分佈 的英文怎麼說
中文拼音 [xiāngwèiwùchāfēnbù]
相位誤差分佈
英文
phase-error distribution- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 相位 : phase position; phase
- 誤差 : error
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The computational results of the particle images are agreement with the simulated datain reasonable, the most absolute difference of the displacement is 0. 6671 pixel at the x abscissa and 0. 7928 pixel at y abscissa ; the computational results are equal to the data form the algorithm of particle brightness - distribution pattern tracking ( the conventional cross - correlation algorithm ) at voluminous points, their discrepancy is only one pixel at few points, mostly in boundary area
西安理工大學碩士學位論文最後,在visualfortran環境下給出了這種演算法的具體實現,處理模擬粒子圖像的結果與模擬數據比較吻合,最大位移絕對誤差在x方向是0 . 6671像素,在y方向是0 . 7928像素;計算結果與示蹤粒子灰度分佈模板法(基本的互相關法)在絕大部分點是相同的,只在少數點相差一個像素,而且大多出現在邊界區域。In the case that hypocenter depth is far less than the epicenter distance without depth phases available, only the relative epicenter distribution could be obtained accurately by double difference method, the depth determined would be not stable
當震源深度遠小於震中距時,如果沒有深度震相的參與,只能得到誤差較小的震中相對分佈,深度的相對位置仍有較大的誤差。The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed
本文採用投影光棚相位法和數字卷積濾波技術:根據柵線的條紋灰度值分佈具有極大極小分佈的特性,提出卷積濾波形貌光學自動檢測的圖像處理方法,有效地實現了頻譜自動移位,從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度;同時對採用兩光學主軸相交,且非遠心投影系統所產生的誤差進行了分析,並提出了修正方法。A optimized design of the bend is made using the high frequency simulation software. 5. the coupler and the bend cause a phase change in the wave transmitted past the coupler in the sinuous feed and also a phase change in the coupled po ~ ver
分析計算了耦合器、波導彎頭引入相位誤差對天線性能的影響,在此基礎上,採用對各個耦合器之間波導長度調節的方法,對陣面相位分佈進行補償。Analyzed with the developed software, the stress and deformation distributions of f320 derrick and j250 / 42 - k derrick under several working conditions are obtained. the results obtained here are consistent with tha t obtained with supersap93, which illustrates the program is correct and practicable. finally a fem pre - processor and post processor is developed
本論文用編制的程序分析了f320型和jj250 / 42 - k型石油鉆機井架在幾種工況下的應力、變形分佈,及兩種井架的固有模態、屈曲模態和可靠性,所得結果與supersap93的計算結果比較,應力和位移誤差均相差很小,說明本程序系統是正確可行的。( 3 ) how to design the bayesian test method about the parameter ' s linear hypothesis according to the relationship between the multivariate t distribution and f distribution. ( 4 ) the bayesian diagnosis and unit root test method about the random error series. ( 5 ) the bayesian mean value quality control chart when the variance is known and the mean value - standard error control chart when the variance is unknown
然後,研究了擴散先驗分佈下單方程模型參數的貝葉斯估計理論,證明了模型系數的后驗分佈為多元t分佈,模型誤差項方差的后驗估計為逆gamma分佈;根據多元t分佈和f分佈之間的關系,構造了模型系數線性假設檢驗的貝葉斯方法;根據hpd置信區間構造了隨機誤差序列自相關的貝葉斯診斷和單位根檢驗方法,並利用單方程模型的貝葉斯推斷理論研究了方差已知時的貝葉斯均值控制圖和方差未知時的貝葉斯均值?標準差控制圖。Lake - experiment for an un - baffled practical circular array verified the effectiveness and error tolerance of this new method. 5. the intrinsic mechanism of optimal array gains is studied for the scenario when the element spacing is less than one half - wavelength, with emphasis on un - baffled circular arrays
針對一個24元均勻分佈圓陣的湖上實驗結果表明,這種新的恆定束寬波束形成方法是有效的,且在一般條件下,對基陣陣元幅度和相位響應誤差具有良好的寬容性。This method assumes that each inteferogram has an identical phase shift that can be found out by least - suqares fitting. this algorithm determines any errors of phase shifts deviating from their i ntended values and also suppresses the errors by substituting actual values in subsequent computation. the algorithm can solve the problem of random phase - shifting very accurately, but the algorithm needs a great of iteration number and considerable calculation
In - bokkong等人從同一干涉圖中諸象素相移量相等這一認識出發,提出求解各干涉圖的相移量的方法, in - bokkong的演算法是通過交替求解相位分佈和相移量來進行的一種迭代演算法,這種方法可以解決隨機相移誤差問題,且有很高的精度,但迭代次數較多,計算量較大。A new random phase - shifting correction algorithm is presented in this paper on the basis of five - step phase - shifting. it can directly solve the value of phase - shifting errors without solving phase. meanwhile, the new algorithm can greatly decrease the iteration number and calculation without depressing the measurement accuracy
本文的重點在於提出一種新的隨機相移誤差的校正演算法,在傳統五步相移的基礎上不需要求解相位分佈,通過合理的近似處理可以直接求解相移過程中存在的隨機相移誤差,在保證精度的情況下,能大大減少迭代次數和計算量。分享友人