symmetry operation 中文意思是什麼
symmetry operation
解釋
對稱操作-
Then, according to characteristic of four kinds of butterfly operation in real number signal integer fft transform keeping modulus conjugating with symmetry, different lifting matrixes has been got and real number signal integer fft transform keeping modulus conjugating with symmetry can been achieved
然後，根據實信號保持共軛對稱性的fft整數變換中的四類蝶形運算特點分別構造不同的提升矩陣，從而實現實信號保持共軛對稱性的fft整數變換。 -
Results the height of the two eyes lid was nearly symmetry after operation, the effect of rectifing katotropia was satisfactory
結果術后雙眼瞼高度基本對稱，下斜視矯正效果良好。 -
The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in daqin line have been simulated by using fem and axial symmetry model results indicate that high stress area appears on the wheel web, and the strength of wheel meets the requirement of routine operation under current braking condition
摘要採用軸對稱模型和有限元方法，模擬了大秦線長大坡道循環制動條件下貨車車輪溫度和應力場，結果表明車輪高應力區出現在輻板上，現行制動條件下車輪強度滿足使用要求。 -
In mmse based detection algorithms it ’ s inevitable to do the matrix inversion operation, and we have found by analysis that such matrices are all positive definition hermite matrices. so, in chapter three, by renumbers the looped variables we induce a new matrix inversion algorithm and based on the symmetry of the data we further
由於基於mmse的檢測演算法中會不可避免地遇到矩陣求逆運算，經過分析發現此類矩陣均為正定hermite矩陣，根據此類矩陣的特點引入了變量循環重新編號法求逆演算法，並且根據運算過程中數據的對稱性提出了進一步的簡化方案。 -
Push - pull current mode hfl inverter also is composed of four power switches. the simulation and experiment of a 500va experimental prototype indicates that this circuit has the advantages of less components, simple topology, the ability of four quadrant operation and high efficiency. the inverter does not need the symmetry of the components " parameters and can be applied to dc to ac conversion with single low input voltage source
推挽雙向電流源高頻鏈逆變電路也是由四個功率管組成， 500va的原理樣機的模擬和實驗研究結果表明，該電路元器件少、電路拓撲簡單、能夠四象限可靠運行、變換效率高，並不要求器件參數的完全對稱，適合於輸入電壓較低的場合。
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