priori information 中文意思是什麼
priori information
解釋
事前信息- priori : 普廖里
- information : n. 1. 通知，通報，報告。2. 報導，消息，情報。3. 資料，知識，學識。4. 【自動化】信息，數據。5. 【法律】起訴，告發。adj. -al
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Eradiate noise recognition obtains feature information of movement under - water target, which is produced by passivity sonar, and then decides its category by referring to a priori knowledge
本文的研究方法是從目標產生的輻射噪聲中提取出目標的特徵信息，結合已有的先驗知識，對目標的類別做出判斷。 -
Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent
結果表明，相對于最小二乘法和阻尼最小二乘法，基於自然權的加權阻尼最小二乘演算法，由於利用了正確的先驗信息，不但使反演過程收斂，而且具有數值穩定、抗噪能力強的優點，其成像結果能真實有效地反映對象內部缺陷，因此更適用於混凝土的超聲波速度反演。 -
The detail is that starts from the fourth character image ( the middle of license plate ), centers it, and then segments every character seriatim to the direction of left and right. it makes full use of the feature of the image. the priori information of license plate does well with the character conglutination and character rupture and presents a nice pre - segment
本文主要採用了引入先驗知識、垂直投影和最小包絡等方法從中間第四個字元開始，向左右兩邊進行逐一分割的方法，充分利用了圖像本身的特點，引進的先驗知識不受字元的粘連和斷裂的影響，有很好的預分割效果，最後的綜合分割效果較好，為字元的識別造好了準備。 -
The theoretical model calculation shows that, under the condition without any priori information, the energy weight value resolved from the continuation field or the maximum characteristic value of the matrix related to the continuation field can be used to judge the position of the potential field source, thus determining the burial depth of the geological body
理論模型計算表明：在沒有任何先驗信息的條件下，可以用延拓場分解的能量權值異常或延拓場相關矩陣的最大特徵值，判斷位場場源所在位置，從而能確定地質體的埋深。 -
Under a certain conditions on variance matrix invertibility, we show that the optimally weighted ls estimate outperforms the linear minimum variance estimate provided that they have the same priori information
因此，我們討論了在相同已知信息的情況下，即最優加權最小二乘估計也利用有關被估參數的先驗信息時，二者的估計性能。 -
For a general linear model ( input matrix is deterministic ), under a certain conditions on variance matrix invertibility, the two estimates can be identical provided that they have the same priori information on the parameter under estimation. even if the above information is unknown only for the optimally weighted ls estimate, the sufficient condition and necessary condition, under which the two estimates are identical, is derived. more significantly, we know how to design input of the linear system to make the performance of the optimally weighted ls estimation identical to that of the linear minimum variance estimation in case of being lack of prior information
在一般線性模型（即輸入矩陣為確定性）下，當兩種估計都利用有關被估參數的先驗信息時，二者在方差陣可逆的一定條件下可達到一致；當最優加權最小二乘估計不利用此先驗信息時，存在二者一致的充分條件和必要條件，進而找到一種設計輸入矩陣的方法，使得在先驗信息缺乏的條件下，仍可利用最優加權最小二乘估計達到與線性最小方差估計一樣優越的估計性能。 -
There is not any man - made reference and any priori information such as land marker or light tower in unknown environment which is usually three - dimensional. it is necessary for researchers to have a sophisticated mobile platform with stability, trafficability, terrainability, reliability and mobility, as any navigation algorithm should be realized by a mobile carrier with high trafficability and high maneuverability
要在這樣或類似的環境中研究移動機器人自主導航的理論與技術，擁有一個具有穩定性、通過性、越障性、可靠性和機動性的硬體移動平臺絕對是必要的，因為任何先進的演算法和理論都需要通過高機動性和高通過能力的載體來實現。 -
Finally, bayesian fusion algorithm with weibull distribution has been studied in detail by using he - ne laser life test data., which includes three aspects, that is, the selection of weibull distribution model, the posterior distribution of weibull parameters with multiple a priori information and the dynamic modeling method of weibull distribution parameters under the condition of different test environments
最後，結合he - ne激光器壽命試驗數據，重點研究了威布爾分佈的bayes融合估計演算法，主要包括以下三個方面的問題，即:威布爾分佈模型選擇、多源驗前信息的威布爾分佈參數的驗後分布、不同環境下的威布爾分佈參數的動態建模方法。 -
Firstly, the problem of multiple a priori information fusion has been studied under the condition of the same test environment, such as the consistency test of a priori information, the credibility analysis of a priori information, the calculation of credibility with information likelihood rate, the expression of fusion posterior distribution based on the credibility of multiple a priori information
首先，研究了同種環境下多源驗前信息的融合問題，如驗前信息的相容性檢驗、驗前信息的可信性分析、基於信息似然比的可信度計算、基於多源驗前信息可信度的融合驗後分布表示等。 -
The iteration formula and determination of iteration step are set up according to a priori information of rock and concrete
建立了考慮先驗信息的修正高斯-牛頓演算法的迭代格式和迭代步長的確定方法。 -
A method based on gene expression programming ( gep ) for identifying the nonlinear system model is presented, which makes up the insufficiency that traditional identification methods need much a priori information, and has a tidier and more efficient system model expression mode than genetic programming ( gp )
摘要給出了利用基因表達編程（ gep ）進行非線性系統辨識的方法，彌補了傳統辨識方法需要過多預知信息的不足，有著比遺傳編程（ gp ）更簡潔有效的系統模型結構表達方式。 -
In designing a multi - structuring elements filter, combination rules and structuring elements of the morphological transform are determined automatically, and one kind of neural networks is taken for the filter, in optimzing structural parameters of the filter, three computation methods are designed respectively, by adopting some priori information in application fields to guide optimal structural parameter learning procedure, which are the bp adaptive learning algorithm, the heuristic genetic learning algorithm and the inductive simulated annealing learning algorithm
在多結構基元濾波器設計中，通過學習人-機交互選定的目標樣本，自動確定形態變換的組合規則及其結構元素，最終以神經網路形式構成濾波器。在結構參數的優化學習中，利用應用領域的先驗知識，分別設計了自適應bp學習、啟發式遺傳學習和引導式模擬退火學習等三種最優化計算方法。 -
Blind beamforming ( bbf ) is concerned with the reconstruction of source signals from the outputs of a sensor array without a priori information of the direction of the desired source, relying instead on signal characteristics and array structures
盲波束形成無需知道目標波達方向等先驗信息，直接利用信號、基陣自身的特性，就可從基陣的輸出采樣信號中恢復出期望信號。 -
In order to reduce measure error causing by nlos, it adopt and regard intensity of the signal as right value, construct some tdoa measurement value again with the priori information
為了減少非視距傳播nlos引起定位參數測量誤差，採用以信號強度為權值，用先驗信息重構部分tdoa測量值。 -
For the inverse method research, this paper proposes a truly original concept : simulated priori - information, which means using numerical simulation method to quest for priori information. this method greatly enriches the priori information on material parameters
在反求技術方面，本文首次提出了模擬先驗信息的概念，即用模擬方法獲取先驗信息，極大地豐富了獲取材料參數先驗信息的途徑。 -
A practical approach has been brought forward that the priori information of signal and the external parameter do n ' t needed, on the basis of summarizing the methods of white noise elimination with wavelet and the different lipschtiz exponents and characters in time - scale plane of white noise and pd
本論文在總結各類小波去除局放信號中白噪方法的基礎上，根據白噪和局放信號的不同李氏指數以及在時間一尺度平面上的不同特徵，提出了一種不需信號的先驗知識和外部參數設定的適合局部放電信號處理的實用方法。 -
And it adds a - priori information into the patterns to change the method as a semi - supervised clustering. in the clustering process, the unlabelled patterns compare similarities with the labeled patterns, and then the accuracy of the algorithm can be increased. ( 3 ) the paper proposes an interactive learning - based image mining in remote sensing
由於遙感圖像各類別在特徵空間中散點圖的分佈的特點，本文對傳統的fcm聚類演算法進行改進，並且加入先驗信息之後，將原來的非監督的聚類變成一種半監督的聚類方法，通過與已標簽的樣本進行相似性比較，能有效地提高聚類演算法的準確度。 -
Given a received communication signal, the objective of modulation recognition is to decide the modulation format and estimate the modulation parameters of the communication signal without any priori knowledge about the signal information content
給定一段接收的通信信號，調制識別的目的就是在未知調制信息內容的前提下，判斷出通信信號的調制方式，並估計出相應的調制參數。 -
The numerical methods utilized in solving the set of mathematical equations involve calculating the spatial rate of change of variables, which means a priori grid point value information along the boundary outside the model domain has to be separately provided to set up time - dependent boundary conditions for computing the governing equations
：計算有關數學方程組的數值方法，牽涉到變數在空間的分佈變化，故此亦需要另外提供模式范圍以外的網格點值，從而按時間設定邊界條件，以完成基本方程組的運算。
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