fixed point calculation 中文意思是什麼

fixed point calculation 解釋
定點計算
  • fixed : adj. 1. 固定的；確定的，不變的，固執的。2. 【化學】凝固的，不易揮發的。3. 〈美口〉（在經濟上）處境…的。4. 〈美俚〉（比賽等）通過作弊預先安排好結果的。
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  • calculation : n. 1. 計算，計演算法。2. 推定，預測。3. 深思熟慮，精打細算；慎重的計劃；算計。
  1. The fixed - point dsp program is given which are based on the analysis in the feather of the video signal and the 16 - bit fixed - point dsp - - tms320c5402. at last, the result and quantity of calculation are analyzed to prove that the speed and precision of calculation are matched to the system requirement

    在深入分析了線性調頻脈沖壓縮信號產生過程和特性的基礎上，結合16位定點dsp ? ? tms320c5402的硬體結構和指令系統的特點，編寫了定點dsp程序，並對程序的計算量和計算結果進行了分析，表明演算法的速度和精度都可以滿足系統的要求。
  2. Calculation of transition probability matrix and fixed vector of the well profiles in the area shows, from a quantitative point of view, the vertical evolution law of the sedimentary series and the transversal environmental difference

    通過多步轉移概率矩陣和固定向量計算，從定量的角度說明了研究區內部分鉆井剖面陸表海沉積在垂向上演化的規律性及反映在橫向上的古環境差異性。
  3. Since the multiplication calculation cost more chip area than add calculation and the floationg - point calculations are not efficiently implemented in custom hardware they were replaced by scaled fixed - point approximations. also the jpeg coding algorithm requires a substantial amount of memory

    本設計只在dct變換部分實現了必要數目的乘法器，通過採用特定的量化表避免了在量化模塊中進行除法運算，大大減少了乘法器的數量。
  4. However, since the fixed - point calculation maybe cause cumulative quantization error, the convergent performance of fixed - point equalizer is not better than that of floating - point equalizer

    但由於定點數運算會引起量化累積誤差，均衡器的收斂速度比浮點數運算均衡器的收斂速度要慢，收斂后的穩定性也較差。
  5. In the latest years, people have designed and made many types of magnetic micromotors, but there are still many problems and much work w hich needs to do about the working principal, design theory and experimental research of magnetic micromotors, this dissertation was just aimed at these problems and did following work : first, on the basis of analying and comparing the working principals and structures of available magnetic micromotors, this dissertation proposed a new type of magnetic micromotor, introduced its structure, controlling methods and the features. according to the basic principles of the fixed - point movement of the rigid body, the dissertation revealed the moving relationship between the rotation of the inner magnetic field of the motor and the rolling of the rotor, presented the moving equation of the rotor and the calculation formula for the rotation ratio between the the inner magnetic field and the rotor, and so made clear the relationship between the structure parameters and the moving characteristics of the motor

    十年來，人們已經設計製作出了多種形式和結構的電磁微電機，但是有關電磁微電機的設計理論和實驗研究仍然處于探索完善階段，本文正是針對這方面的問題以電磁式微電機為研究對象做了以下工作：首先，在對電磁式微電機的各種工作原理和結構方案進行深入研究和分析比較的基礎上，本文首次推出了「端面搖擺式電磁微電機」的設計思想，介紹了其結構原理、控制原理和該電機的特點，並從剛體定點運動的基本原理出發，揭示了電機內部磁場的旋轉與轉子滾動之間行星減速的運動關系，推導出了轉子的運動方程和電機旋轉磁場與轉子的減速比計算公式，從而明確了電機結構參數與電機運動特性的關系。
  6. Abstract : this paper discusses implementation of lifting scheme for wavelet transform used in lossless compression of image on the platform of tms320c6201 dsps. the second generation wavelet transforms based on lifting scheme can construct lossless integer to integer wavelet transforms. the lifting scheme has a lot of algoritmic advantages : efficiency, parallelism, in - place calculation. so it can be well implemented on dsps. this paper also discusses improving implementation of wavelet transform. taking advantage of the fixed - point calculation performance of tms320c6201, the implementation can calculate integer wavelet transforms using fixed - point calculation

    本文以tms320c6201晶元為平臺，探討了提升格式構造小波變換應用於圖象快速無損壓縮的具體實現。基於提升格式的「第二代小波變換」可以實現無損的整數到整數的小波變換，其演算法的高效并行及在位計算的特性適合在dsps上實現。
分享友人
分享到 Line

分享到臉書