dim method 中文意思是什麼
dim method
解釋
分子中雙原子法-
This dissertation is focused on the study of adaptive digital beam forming ( dbf ), two - dim spectrum estimation and the determination of the highness of the object. main work include : 1 a method of adaptive dbf in received antenna array
本文圍繞著自適應接收波束形成、時-空二維譜估計和對目標高度判定等方面進行研究，主要研究工作包括以下幾個方面： 1討論了在接收陣列天線中，自適應數字波束形成（ dbf ）的方法，引入了采樣梯度矩陣演算法。 -
A new approach, which is direct integration method with integral model ( dim - im ) to solve dynamic governing equations, is developed
藉助分塊積分的概念，得到了一個求解線性動力學方程的積分型（相對於差分而言）直接積分法。 -
Finally, the method of dim small target detection and tracking based on the wavelet transform and mathematical morphology is described, which increases the image of target and gets rid of the noise which is high frequency, then, making use of information of inter - frame, it tracks the target more effective
該方法首先利用了小波變換和形態學的原理，將小波變換和數學形態學結合對圖像作預處理，濾除圖像背景中的大部分高頻噪聲，增強了目標圖像。進而再利用目標的幀間信息，對目標區域作幀相關，進一步確認目標。 -
By using simulated and real shooting images, the result proves that this method can not only filtrate almost all the noises but also detect and track infrared moving dim - point targets fast and real - timely
用該演算法對模擬及真實拍攝的空中弱點目標進行跟蹤，證明該方法雜波濾除度高，計算速度快，實時性好，在工程上有重要的應用價值。 -
A new method for the detection of moving dim targets in cloud clutter image sequences is proposed
摘要提出了雲雜波背景下序列圖像中弱目標檢測新方法。 -
We raised a new model that we disassemble the character into several parts, which could be recognized by computer topologically based on the high - frequency wavelet coefficients vector, disregarding the traditional extraction method that used the statistical or structural feature based on the individual pixel in the 2 - dim plane of character. moreover, the concept of multi - dim cognizing feature model was put forward by encoding the character, according to its " location and run - length information. the information confusion and redundancy could be largely eliminated, as leaded to the improving of the preciseness when recognizing the character
克服以往結構、統計方法在字元特徵提取中無法剔除噪聲、偏移等冗餘信息的不足，以認知的新思路分析圖像，給出基於小波子圖的筆劃定義，給出一種注重反映字元部分最為重要的筆劃的類型、數量、遊程、位置特徵，改進了基於字元二維圖像的統計與結構特徵提取方法因變形，畸變造成信息混淆和冗餘；給出了提取多屬性字元認知特徵的方法和識別機制，實驗表明，該方法能有效的識別字元； 3 -
By researching data structure and display method of different display model of vi, a uniform display screen data structure is advanced, which including appearance parameter, channels number and layout of windows, graphics data and display parameter, to unify the operation and storage of one - dim, two - dim and three - dim, wave figure, xy figure, straight figure, color figure, relief map
本文通過研究虛擬儀器中各種不同顯示模式的數據特點和顯示方法，提出了一種統一的顯示器數據結構，包括顯示器外觀參數、通道數及窗口布局、通道波形數據和顯示參數等，來統一一維、二維和三維，波形圖、 xy圖、直方圖、色譜圖和地形圖的操作和存儲。 -
The results of simulation show the resolution based on two - dim spectrum method is 2 times high than that based on two - dim fft. 3 a method of determining the highness of an ideal object by beam scanning in the vertical plane and amplitude comparison
比較了二維music演算法和基於二維fft的目標參量測定方法，模擬表明，在相同條件下，基於二維譜估計的方法比基於二維fft的方法目標解析度可提高一倍。 -
2 a mathematical model of the reflected signal based on the frequency modulation continuous wave ( fmcw ) radar, solving the frequency - azimuth estimation of coherent signals by spatial smoothing technology, comparing the resolution of the object based on two - dim music method and that based on two - dim fft
2討論了在接收dbf條件下，回波信號的二維譜估計技術。建立了基於調頻連續波體制雷達下回波信號的數學模型，並將空間平滑技術推廣到時-空二維譜估計，解決了相干信號源的頻率-方位估計問題。 -
In order to detect and track dim - point targets under the complex background of sky, a high speed method is put, which uses multiwindow, little yardstick, repetitious subtracting and fusing images
摘要針對復雜天空背景下弱點目標的檢測與跟蹤，提出了一種利用多窗口、小尺度、多次差影融合點目標圖像的快速檢測與跟蹤方法。 -
Secondly, a new method of dim target detection and tracking based the feature of target area is proposed
其次，本文利用目標鄰域的特徵，提出了基於鄰域特徵的弱小目標檢測和跟蹤方法。
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