digital computation 中文意思是什麼

digital computation 解釋
數值計算
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • computation : n. 1. 計算，估算。2. 計演算法。3. 計算結果，得數。
  1. This may prove to be a much easier and more economical computation, whether an analog or digital computer is used.

    可以證明，不論採用模擬計算機或數字計算機，這都是一個更容易和更經濟的計算方法。
  2. Secondly, the artificial neural networks and mixed evolutionary computation are employed into the mathematical simulation of complex geological structure, and with gis and visualization technique, the method of geological digital 3 - d modeling and visualization is presented. so, not only the functions of making geological section and querying spatial information could be achieved, but also the spatial distribution of geological structures and their complex relationship could be described visually. thereby an interactive and convenient way for engineering geological design could be actualized

    （ 2 ）提出了復雜地質構造數學模擬的神經網路方法與混合進化方法，並利用gis技術和可視化技術，深入研究了數字地質三維建模及其可視化方法，實現了地質三維任意剖切、信息空間查詢與管理等功能，從而為直觀描述地質構造的空間展布及其相互間的復雜空間關系，以及快捷、交互地進行工程地質設計提供了新的途徑與手段。
  3. Analyze the method of discrete fractional fourier transform and its digital computation 3

    2 .研究了分數階fourier變換離散化方法，並做出了模擬計算。
  4. With the presentation of digital computation of fractional fourier transform, it has begun to apply to electric signal processing

    后來分數階fourier變換的離散化方法的提出，以及其快速計算的實現，分數階fourier變換才有了在電信號處理中的應用。
  5. Set up a model for lfm signal detection and parameter estimation on the basis of realization of the digital computation of discrete fractional fourier transform 4

    3 .在分數階fourier變換離散數值計算實現的基礎上，建立了lfm信號的檢測與參數估計系統模型，並模擬實現。
  6. On the basis of study of fractional fourier transform and its digital computation, the main aim in this paper is to study the applications of fractional fourier transform in lfm signal detection and parameter estimation, to research filtering of lfm signal in the fractional fourier domain and the digital image watermarking in the fractional fourier domain

    本文以研究分數階fourier變換的基本理論與應用為目標。在深入分析分數階fourier變換原理和數值實現的基礎上，對lfm信號的檢測與參數估計， lfm信號的分數階fourier域濾波，以及二維分數階fourier變換在數字圖像水印中的應用作了研究和模擬實現。
  7. The digital computer, in its computation section, can do mainly two thingsadd or subtract.

    數字計算機在其運算部分主要能作兩項工作加或減。
  8. A two - dimensional finite element program, in digital visual fortran version 6. 0 language, is developed for the numerical computation. due to time limit, elastic modeling is adopted while writing program

    在此基礎上用digitalvisualfortran語言編制了相應的二維彈性有限單元程序，並通過算題論證了程序的準確性。
  9. With turning the scale of asic ( appl ication specified integrated circuits ) to s0c ( system on chip ), which conunon1y is composed of mcu, specified function ip cores, memory, periphery interface etc, the ip reuse techno1ogy is very important in s0c design flow, which can realize the constructions of different levels components. the approach of configurable system, method and design f1ow for udsm ( u1tra deep sub micron ) asic, logic system design using hdl 1anguage, coding style, static and dynamic verification strategy are a1so presented in chapter 2. in chapter 3 we study the vlsi - - dsp architecture design, dense computation and high speed high performance digital signal processing unit structure, which includes high speed mac components and distributed arithmetic unit

    在工程設計方法及結構化設計和高層次綜合的研究中，介紹了在深亞微米工藝條件使用的方法和asic設計流程，討論了高層次綜合的核心如何從描述推出電路構成的設計思路，針對不同目標的設計技巧討論了採用hdl語言進行邏輯系統設計的方法，給出了用vhdl語言進行代碼設計時的規范和風格，在面向soc的驗證策略討論了動態和靜態的驗證技術，提出了進行單獨模塊驗證、晶元的全功能驗證和系統軟硬體協同驗證的整體策略。
  10. This technique avoids computing inverse log - polar mapping ilpm to preserve the quality of the watermarked image, and avoids exhaustive search to save computation time and reduce false detection. experimental results demonstrate that the digital watermarking technique is invariant and robust to rotation, scaling, and translation transformation

    在研究中發現，圖像在空域中的旋轉對應于該對數極坐標域中沿著角坐標的位移圖像在空域中的按比例縮放對應于該對數極坐標域中沿著對數半徑坐標的位移而圖像在空域中的水平位移對該對數極坐標域沒有影響。
  11. The finite precision effect brought by the digital realization of cs and the deterioration of the sequence ' s properties caused by interception have been studied. moreover, after analyzing the effect of the existing ways to improve the performance of cs, especially the perturbation, the effectness of a kind of chaos sequence generator by means of software high - precision computation ( shpc ) has been disscussed

    在數字混沌序列方面，本文驗證了混沌擴頻序列由於數字化所產生的有限精度效應、截短所造成的性能下降，同時對目前的改進方法，主要是加擾法，進行效果分析，並對利用軟體高精度計算實現數字混沌序列產生器的方法進行了探討。
  12. The digital computer, in its computation section, can do mainly two things - - add or substract

    數字計算機的運算部分主要有兩項功能：加和減。
  13. The dynamic characteristics identification model of high - speed flexible rotor sys tem has been set up, the technology of steady state sine excitation and digital elliptic filter is used in order to identify the system parameter, and by constrasting the real measure to the theoretical computation, it proved that the method is accurater

    建立了高速柔性轉子系統特性參數識別模型，並採用穩態正弦激勵及數字橢圓濾波器技術對系統參數進行識別，通過對實測和理論計算結果的比較，證明該方法有較高的精確性。
  14. The hardware designing include the interface with engine controller, such as d / a conversion. we chose the ad75089 which was produced by ad corp. this is a parallel port digital to analog conversion, and i give the presentation about its structure and connection scheme. in order to resolve the contradiction between faster computation and slower display, a buffer storage also needed

    第二部分詳細陳述了高速數據傳輸卡的軟、硬體設計過程，硬體設計包括dsp與pci總線的介面、 dsp與外部控制器的介面、以及電路卡上的擴展數據緩沖區的設計，並使用專門的工具軟體protel繪出全部硬體電路的設計原理圖。
  15. Computation method of fractal dimension for 2 - d digital image

    二維數字圖像分形維數的計算方法
  16. So, in this section, a double - passage 4f wavelet filtering optical system is put forward, combining with the visual computation theory. the dog wavelet function is selected in the filter system, and the output images are just the expected, hi this part, an optical - electrical mixed system model is also mentioned, which has the advantages both in optical processing and digital processing system, such as real - time > intelligence

    因此，文章在這一部分提出了一個雙通道4f小波濾波光學系統，並結合視覺計算理論，選擇了適合的小波母函數? ? dog函數製成濾被模片，對輸入圖像進行了不同尺度下的信息提取，得到了期望的輸出。
  17. In fact, scaling technology is an essential component in many image / video processing such as to magnify / minify still image, to achieve special effect like picture - in - picture, to compress or transform digital video with spatial scalability etc. in this thesis we mainly employ this technology in video transcoding, which is a powerful but computationally intensive tools to convert one kind of video format into another, meeting different demand such as lower bitrates or various display terminals. in sum, there are two kinds of scaling schemes : one is in spatial domain and the other in transform domain. the scheme in transform domain can provide very good performance, that is, efficient computation and desirable image quality, whereas it has some disadvantage which is impossible or hardly to o vercome, especially some scenarios require arbitrary ratio zoom in horizontal and vertical, and excellent visual effect

    兩種方法都各有其利弊：變換域的方法是利用現有常用的視頻壓縮方案都是基於dct這個特點，所以可以直接在變換域做處理，這樣可以節省大量的計算，但其缺點是由於dct是基於塊的變換，如8 8 ，所以很難找到一種方案可以進行任意比例的縮放，尤其是在縱橫縮放比例不一致的情形，但這對諸如hd縮放到sd和空域分級的壓縮方案來說尤為重要，基於空域濾波的方法卻沒有這樣的限制，同時可以保證縮放后的圖像的質量遠高於基於變換域的方法，為了達到高的縮放質量，就不可避免導致計算量過大。
  18. This paper presented m - band wavelet - based watershed image segmentation method for medical digital image. the method was based on a multiresolution application of a m - band wavelet and watershed transformation, followed by a wavelet coefficient based energy computation and region merging procedure. the results showed that the method was useful for the reduction of over - segmentation and can be applied to the segmentation of digital images

    本文針對醫學數字圖像數據量大和噪聲情況復雜的特點，結合多尺度分析理論，通過多小波圖像分解、能量計算、分水嶺變換和區域融合等步驟，克服了分水嶺變換嚴重的過分割問題，實現了有意義的區域分割。
  19. The paper analyses its key circuit and software program structure. this full - digital controller is made up of dsp and implements single neuron adaptive pid computation, current pi computation, logical determination, pulse - fire and procession of protective signal etc. it also improves the reliability and availability of this control system

    本課題對控制器主要的電路結構及程序結構進行了分析，以dsp為核心組成的全數字式控制器完成了電流pi演算法計算，單神經元自適應pid演算法計算、邏輯判斷、脈沖觸發以及系統保護信號的處理等，提高了控制器的可靠性和可操作性。
  20. This method is especially simple and easy to implement. furthermore, it fully capable of tracking digital control signals carried by 4 ~ 20ma analog signals ; during software development phase, we have completed signal collecting, lcd displaying, d / a converting of hart signal and ieee - 754 32 bit float point conversion. we used a simplified method in ieee - 754 32 bit compatible float point conversion based on the 24 bit integer and 16 bit decimal computation

    在hart信號的解調外圍電路中採用遲滯比較電路實現波形的轉化，這種方法簡單、易實現，完全能夠跟蹤加載在4 20ma模擬信號上的數字控制信號；在軟體設計中，完成了hart信號的採集編程、 lcd顯示編程、 d a轉化控制編程和ieee - 75432位浮點數的轉化編程， ieee - 75432位浮點數轉化編程採用的是在最多滿足24位整數位和16位小數位的基礎上的一種簡化演算法。
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