瞬回式 的英文怎麼說
中文拼音 [shùnhuíshì]
瞬回式
英文
instant return-
The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically
分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題，採用回傳矩陣法，在相空間中給出了位移和內力的表達式。再利用laplace逆變換，得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解，然後將其分解為若干廣義射線積分之和，並用數值方法求解之。Numerical simulation for 3 dimensional geologic bodies with different electric property parameters, which is conducted under the way of central loop tem, is the theoretical foundation for understanding its electromagnetic response characters and developing new interpreting methods
摘要不同電性參數的三維地質體在中心回線瞬變電磁觀測方式下的數值模擬是認識其電磁響應特徵規律並進而開發新解釋方法的理論基礎。In this paper, the author has inferred the instantaneous efficiency equation during rise and return and the general efficiency equation during rise, return and the whole motion cycle respectively by analyzing two kinds of force states of in - line roller follower cam mechanisms in detail
本文作者通過詳細地分析直動滾子從動件凸輪機構的兩種受力狀態，推導出了直動滾子從動件凸輪機構在推程階段以及回程階段的瞬時效率公式以及在推程階段、回程階段以及整個運動循環內的總效率公式。A method based on video analysis was adopted to measure the real - time coal flow on the conveying belt, and the turning speed of the reclaimer ' s bracket to fetch coal can be controlled automatically through closed - loop controlling
摘要採用視頻分析的方法實時檢測傳輸帶上煤瞬時流量，通過閉環控制方式自動控制斗輪機懸臂的回轉速度進行取煤。Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm
首先，根據模擬熱流網路模型用拉普拉斯變換推出墻體的傳遞矩陣;然後，計算傳遞矩陣的頻率響應;最後，採用頻域回歸方法求出模型傳遞函數各次項的系數，進而通過一定的優化演算法確定模型的各個熱阻、熱容參數，使通過模型建立的多項式s -傳遞函數與墻體瞬時傳熱的理論超越s -傳遞函數完全等價。The theoretical s - transfer function of ground - coupled envelope is deduced by laplace transformation. a simple polynomial s - transfer function is estimated from the theoretical frequency response of the ground - coupled envelope by frequency domain regression method, then we can calculate transient heat conduction through the ground - coupled envelope. it provides a novel idea to calculate the transient heat transfer from ground - coupled envelope more simply and efficiently
用頻域回歸方法求出觸地結構多項式s -傳遞函數，通過實例驗證了多項式s -傳遞函數與理論傳遞函數的等價性，並計算出觸地圍護結構的反應系數、導熱z傳遞函數系數和地面瞬時熱流，這就為更簡單、高效地計算觸地結構動態傳熱提供了一種新的思路。The dissertation is focused on uwb waveforms, which achieve uwb return without increasing the instantaneous bandwidth, and signal processing to generating sar images with the desired waveform
本論文基於當前的硬體水平限制，研究在不增加接收機瞬時帶寬的情況下獲得超寬帶回波的信號形式，探討超寬帶波形在合成孔徑雷達成像中的應用。Schatz, 43. “ we ' re moving from that single frozen moment that you might find in painting or photography, ” he said, to create a new style of portrait that “ never repeats, much like the human mind continually remakes memories
他說，我們從繪畫或照片的凍結瞬間，進步到創造一種絕不重復、很像人類頭腦不斷再制回憶的新式肖像。分享友人