( 2 ) data - processing module , its functions is using dsp processor to designdigital filter for the receiving signals , work out the root mean square values and phaseangle , then the phase compensation technique is applied to modify the signals , at lastexport the combining frame data . to data - output module . ( 3 ) data - output module , its functions is transmitting combining frame data toethernet controller , then send the data to the protective device ( 2 )数据处理模块利用dsp处理器对接收到的数据信号进行数字滤波设计,求出相应的均方根值及相位角,并对信号进行相位补偿,最后将数据组帧后传给数据输出模块; ( 3 )数据输出模块将组帧后的数据传送到以太网控制器,继而发送给二次保护测控设备。
The choice of laser output window height is relation to many factors , such as pressure loading , thermal loading , yield stress , influence on wavefront , failure by fatigue . spherical windows can endure higher laser intensity . however , it brings some phaseshifts , which connect with laser windows parameters 激光器输出窗口厚度的选取与压力载荷、热载荷、材料极限强度、厚度对波前的影响、材料疲劳等多种因素有关，由于球壳窗口能承受较高的功率密度，但窗口本身带来相移，该相移大小与窗口参数有关，根据位相均方根值选择球壳窗口参数。
In frequency - domain , the background mode that has the most contribution to the buffeting energy of the structure is calculated using the background modal analysis method , thus the rms of the dynamic responses of long - span grid roofs is obtained . on the other hand , the rms of the dynamic responses is also obtained by direct integral method in time - domain . after the comparison of the results of two methods , several important conclusions can be made 在频域内，采用背景模态分析法，通过计算得到对结构振动能量贡献最大的一阶背景模态，从而得到结构脉动响应的均方根值；在时域内，采用直接积分法求出结构响应的时间历程，并且通过统计，同样得到结构脉动响应的均方根值。
Based on the convergence criterion of root - mean - square ( rms ) of phase and output power , the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated . by simulating one - way phaseshifts with zernike polynomial , the laser modes are studied with method of iteration and geometriy . the evaluation factors of components influences on beam quality is discussed 根据相位均方根值迭代收敛准则和输出功率，用fox - li迭代法求出反射镜上实际的光强分布和热源，得到镜面的位移变形和单程附加相移，以zernike多项式拟合单程附加相移，分别用迭代法和几何法计算了腔镜变形时的腔模光场，建立了光学元件对光束质量影响的评价因子，研究腔镜冷却效果和冷却方式，对输出耦合镜的变形进行了分析。
Welch , 1967 ) , the author calculated noise power spectrum of every site to see if the noise level of the array site accord with ims standard ( the noise level at 5 hz must lower than - 135db ) , and the result suggest that the noise level accord with the ims standard . to find out the principle of noise ' s variation , the root mean square of every site had been calculated and analysised , the result show that several sites had obvious daily variation which is relevant to the tv transmittion tower on the top of dajianshan Welch ， 1967 )对台阵阵址各测点的噪声功率谱进行了计算与分析并对各测点的噪声均方根值做了计算，结果表明台阵的背景噪声达到了ims要求的标准(即在5hz处噪声功率谱要小于- 135db ) ，多数测点的噪声有明显的日变化规律，这与大尖山顶的tv发射塔有关。
The acceleration and displacement of the structural model under el - centro earthquake excitation is simulated by matlab . the comparison of the response under no control and predictive control is made . the max value and the rms ( root mean square ) value of the acceleration of the top floor decrease 50 % and 47 . 7 % respectively 以matlab为仿真工具，对12层高层建筑结构模型在ei - centro地震波激励下的加速度和位移响应进行仿真，并对结构在无控制和预测控制两种情况下的响应进行比较，结构顶层加速度的最大值和均方根值分别减小50和47 . 7 ，位移的最大值和均方根值分别减小74 . 5和71 . 9 ，减震效果十分明显。
Because the different stiffness match of front and rear suspension is very influencing to the ride comfort , optimal model of ride comfort is developed , regarding the rms of driver ’ s acceleration as the objection , regarding the stiffness of front and back suspension as optimal variable , regarding quiet flexibility 、 dynamic flexibility 、 frequency and dynamic load as nonlinear constraints . by matlab program and using sqp , the optimal match of front and back suspension ’ s stiffness is achieved , this optimal model consider not only request of quiet 、 dynamic flexibility 、 frequency and damp , but also security of run and peace of road , it is closer to the fact than other models which only consider partial restriction 由于前后悬架垂直刚度的不同匹配对汽车行驶平顺性影响较大,论文建立以驾驶员垂直加速度的均方根值作为汽车行驶平顺性优化目标值、以前后悬架垂直刚度作为优化变量的优化设计模型,并辅以静挠度、动挠度、频率、动载荷等非线性约束,使用序列二次规划法,利用matlab编制优化程序,求得前后悬架垂直刚度的最优匹配值;此优化模型不仅包含动静挠度及频率和阻尼的限制,还考虑到汽车的行驶安全性和道路友好性,比文献报道的只考虑部分约束的优化模型更切合实际情况。
Experiments about the influence of aeration on the dynamic pressure on the original riverbed show , aeration will obviously increase the fluctuating pressure on the original riverbed . 3 . experiments about the influence of aeration on the dynamic pressure on the bottom of scour hole show , the influence of aeration on the dynamic pressure on the bottom of scour hole is ruleless 试验研究了掺气对冲坑底部脉动压强的影响，结果表明：无论冲坑深度为多大，坑底脉动压强均方根值沿程分布与不掺气时相比，没有确定性的规律，射流掺气后，冲坑底部的脉动压强有时增加，有时反而减小。
