quantization method 中文意思是什麼

quantization method 解釋
量子化方法
  • quantization : 分層量子化把連續量轉換為數字
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The methods of direct measurement with low precision such as frequency and time interval methods and the methods of indirect measurement with high precision such as beat frequency method, dual mixer time difference method and frequency difference multiplying method are supported on the platform. the fundamentals of each method are studied. the quantization error is analysed and the illustration is given for each method

    該平臺支持直接頻率和時差法兩種較低精度的測量方法以及雙混頻時差法、差拍頻率法和頻差倍增法高精度的簡接測量方法，本文研究了各種測量方法的原理，對各種測量方法的量化誤差作了分析，並給出具體的實例。
  2. And the system can be expressed with damage matrixes, which forms a clear and intact dendriform damage evaluated method, offering a practical basis of quantization for seismic design, seismic reinforcement and repair of buildings after earthquakes

    該體系可用矩陣形式表示，總體上形成了層次分明、分支完整的樹狀評估體系，可以為抗震設計、抗震加固和震后維修提供明確實用的量化依據。
  3. A quantization examinable method of plant maintenance

    一種設備維修量化考核方法
  4. The spectrum characteristics of the phase truncation error and amplitude quantization error are analyzed by the method of fourier series

    文章最後還簡單介紹了幾種改善雜散誤差的方法。
  5. In the article, the originator worked out the mechanism of magnesium - base alloys catching fire ; analyzed briefly the influence of the temperature, the heating velocity and the pressure of oxygen in the atmosphere on the lumps and scraps of pure magnesium ’ s catching fire, and designed a practical method to measure the kindling temperature of the lumps and scraps of pure magnesium precisely, with which the initial quantization of kindling temperature can be realized

    本文圍繞鎂合金阻燃技術的開發作了許多基礎性的研究工作，通過分析大量的相關文獻和試驗結果，初步得出了塊狀鎂和鎂屑的燃燒機理，簡要分析了溫度、升溫速度、環境中氧的分壓對塊狀鎂和鎂屑的起火燃燒所產生的影響。設計出了精確度高、實用性強的塊狀鎂和鎂屑的燃點測試方法，使塊狀鎂和鎂屑的燃點得到初步的量化。
  6. A medical image quantization method suited for pacs

    系統的醫學圖象量化編碼的演算法
  7. First, it expatiates the reasons in theory why the private - owned enterprises have advantages in the international competition during the course of investing abroad. then, the article discusses about the content of private - owned enterprises " competition advantages broadly, including the perspicuity of the property relations, the flexibility of the management mechanism, the advantages of the small - scale technology, the cost advantages and the more perfect abroad market network system. at last, with a verifying survey on private - owned enterprises of zhe ' jiang province, by utilizing the analytical method of quantization, the article fully affirm the private - owned enterprises " ability to absorb the key elements, and the ability to combine, develop and manage resources

    本文第二部分則著重分析了民營企業對外投資的優勢，首先從理論上闡述了民營企業具有何種國際競爭優勢；然後具體論述了民營企業的競爭優勢內容，包括產權關系明晰、經營機制靈活、小規模技術優勢、成本優勢以及比較完善的海外市場網路體系等等；最後，結合對浙江民營企業的實證性調研，運用量化分析方法，對民營企業的要素吸附能力、整合開發能力以及資源運營能力給予了充分肯定，同時也發現了某些不足之處。
  8. To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied

    為提高比幅測向的精度，選用多通道體制，採取相位延時估計法從頻域來估算移動天線方向圖系列的達到角，同時在具體的工程實現上對天線選取、信號的量化、去摸開關等進行優化，從而滿足指標要求。
  9. A new bit rate control strategy with both global pre - allocation and local segmentation ( glas ) for low bit rate application is proposed. first, it allots bit date to every frame in advance according to possessive rate of buffer, and then distribute different quantization parameters according conctete detail. by means of this method, buffer is controlled more particularly. and the quality of decoded image is improved, the traditional video image coding method, that is to say, the intraframe coding based on dct and the interframe prediction coding based on motion compensation, is not suitable for low bit rate compression and aside from this, the encoder is too complicated

    它首先在總體上根據緩存器的佔有率給每幀預分配比特數，然後再根據具體細節給予不同的量化參數。使緩存器得到了更細致的控制，解碼圖像的質量有所改善。針對傳統的視頻圖像編碼方法，即幀內基於dct的編碼加幀間基於運動補償的預測編碼存在不適于低比特率壓縮，編碼器復雜等不足，討論了基於3 - ddct的xyz視頻圖像壓縮編碼方法，提出了3 - ddct系數的三維「 z 」形掃描方案，大大提高了編碼效率。
  10. Chapter 4 : the influence of different phase - shifting angle of reference wave in recording, of the phase - shifting error and of the quantization error on the quality of the reconstructed image is investigated respectively in two - step phase - shifting inline digital holography. and an effective method of eliminating the phase - shifting error is presented, in which the summation of the intensity bit errors of the reconstructed image is taken as an evaluation function for an iterative algorithm to find the exact phase - shifting value. the feasibility of this method is demonstrated by computer simulation

    通過數值分析不同相移角的選取對再現像的強度誤差的影響，發現再現像強度誤差依賴于記錄時相移角的選取，當相移角在一定范圍內，其再現像的強度誤差相對較小；提出了一種有效消除相移誤差的新方法，並將其應用於二步同軸相移數字全息，對此進行了計算機模擬，得到了很好的結果，證明該方法對于相移誤差的消除是很有效的；對量化誤差所作的數值模擬發現，當信號被量化成8比特（ bit ） ，即256個灰度級以上，量化噪聲的影響相對較小。
  11. In this paper, optic gyro is viewed as the object of investigation and several aspects is investigated as follows. two important indexes - bias instability and scale factor were measured and investigated, including bias, its repetitiveness, temperature sensitivity, random walk coefficient and scale factor, its nonlinearity, asymmetry, repetitiveness. we make use of the allan variance method to separate the noise factors which affect the performance of the optic gyro, such as the angle random walk, bias instability, rate random walk, rate ramp, quantization noise, markov noise and sinusoidal noise

    本文以光學陀螺為研究對象，開展了以下幾方面的研究工作：本文對光學陀螺性能的兩個重要指標?標度因數和零偏穩定性進行了較為詳細的研究，其中包括陀螺的零偏b _ 0 、零偏重復性b _ r 、零偏溫度靈敏度b _ t 、隨機遊走系數rwc和標度因數k 、標度因數的非線性k _ n 、標度因數不對稱性k _ h 、標度因數重復性k _ r等等。
  12. A prediction - based vector quantization method for image coding

    一種基於預測的矢量量化圖像編碼方法
  13. Exploration of the quantization method in penalty measurement

    刑罰裁量量化法之探究
  14. 5. for different decoding algorithm and different signaling schemes, different quantization schemes are used. the nonuniform quantization method for the special property signal is put forward for the first time

    系統地研究了turbo碼的各種迭代譯碼演算法的原理，對演算法中參數的取值進行了討論，並在awgn通道上進行了模擬比較。
  15. Tourism environmental carrying capacity is an important index of the tourism sustainable development. there has very important theory and realistic meaning to carry out theory and quantization method study systematically on tourism environmental carrying capacity

    旅遊地的旅遊環境承載力是衡量旅遊可持續發展的重要指標，系統地開展旅遊區旅遊環境承載力理論及其量化方法的研究，具有十分重要的理論和現實意義。
  16. 2 ) the embedded zero - tree wavelet algorithm, which is proposed by shapiro, is analyzed. regarding to its shortcomings, a new quantization method based on zero - tree is presented. in addition, this method needs to match the hvs characteristics

    2 ）仔細分析了shapiro的嵌入式零樹編碼演算法，根據其在量化過程中存在的問題，提出了一種改進的零樹量化演算法，並在量化過程中充分考慮了人的視覺特性對于重構圖象質量的影響。
  17. In order to improve the compression ratio of pipeline leak signals, an error - controlled quantization method is designed in this paper, and on the basis of lossless compression algorithm, a near - lossless compression algorithm is proposed and implemented in pipeline leak detection and location system

    為了進一步提高管道泄漏信號的壓縮比，設計了誤差可控的量化方案，在管道泄漏信號無損壓縮演算法的基礎上，提出了一種適合於管道泄漏檢測定位系統的近無損壓縮演算法。
  18. We put forward an adapted wavelet packet transform method - - adapted wavelet packet transform based on r - d rule which selects the best wavelet packet base according to r - d rule, in which best quantization method and huffman coding are used. this method produces the best compression version such that the error upon reconstruction is within an upper bound fixed a given value and obtains satisfactory compression results

    這種方法依據r - d準則優選出最佳小波包基，在優選過程中，用到了最佳量化法和霍夫曼編碼，從而保證了在給定的失真內使得壓縮比做的最高，取得了比較滿意的效果，為將來在dsp上實時的實現做好了鋪墊。
  19. It is a pop method to embed watermark in frequency field, in most literature, they embed watermark into the coefficients of fft, dct, or high - frequency of dwt using quantization method, we think that : embedding watermark into the low - frequency of audio signal dwt field can improve the robustness of watermark. the watermark is embedded in the maximum of subsection of approximate component the watermark signal using quantization method, for the same quantization size, the “ noise ” added to the signal is

    在頻率域嵌入水印信息，是目前一種主流的嵌入演算法，在很多文獻中，都是通過量化音頻信號的ftf系數， dct系數，或者是dwt域的高頻系數。我們認為:在小波域內的近似分量（低頻系數）中嵌入水印能夠提高數字水印的魯棒性，通過量化嵌入水印的方法，將水印嵌入到近似分量中每個分段中最大值上，因為這樣對于同一個量化步長，量化對象的幅值越大，所疊加的「噪聲」就越小，從而提高了數字水印的不可感知性。
  20. In case where long - range communication is needed, spatial diversity blind equalizer ( sdbe ) is an effective way to improve snr and suppress distortion. joint carrier phase recovery with sdbe using second order digital phase lock loop is presented to track the doppler shift, and a kind of quantization method is used to reduce the complexity of the multi - channel algorithm. its performance is very similar to the original one

    模擬結果表明，採用二階數字鎖相環的空間分集均衡演算法的跟蹤性能超過了採用一階鎖相環和未加鎖相環的演算法，可有效補償由於水聲通道時變而引入的載波相位快速變化；採用誤差量化的演算法和原演算法的收斂和踉蹤性能都很接近。
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