发射速率

The author also proposes the integrated transmission rate and power control algorithm according to the traffics' priority orders.

本文还提出了根据业务的优先级将业务传输速率和发射功率联合进行控制的方法。

A gunboat in the lake from the bow, stern uniform suddenly while traveling forward and backward, the emission of a shell consists of two rounds relatively the same rate the quality of the same traction and resistance to change is the ship's momentum and velocity is what?...

一炮艇在湖面上匀速行驶突然从船头船尾同时向前和向后各发射一炮弹设两发炮弹质量相同相对地的速率相同牵引力和阻力不变则船的动量和速度的变化是怎样的？。。。

The model predicts the transient variations of gun chamber pressure,projectile motion and the decomposition rate of propellant.

模型可以预测发射过程中药室内压力、弹丸运动及工质的分解速率的瞬时变化。

Finally, the proposal about the RE-W thermionic emission materials fabrication technics were put forward according the results above.

纳米复合稀土钨电子发射材料在以上三方面均加快活性物质的扩散速率。

The fluorescence photon-number is proportional to the excitation rate while the spontaneous-radiation rate has an optimum decided by a trigonometric equation.

发射荧光光子数与激发速率成正比，而自发辐射速率则存在一个由三角方程决定的最佳值。

The progect has got the imbursement of progect named "burst modereceiver/ transmitter in broadband access network"(NO:2002AA101A04).The accomplishment of the 155Mb/s burst mode receiver makes essential conditions for the accessing of optical fiber to the common families and estabiishs a theory and technical foundation of the developing burst mode Receiver/Transmitter of the speed over 155Mbit/s.

本课题的研究得到项目&宽带接入网突发式光发射和接收模块&(项目编号：2002AA101A04)的资助。155Mb／s突发式光接收模块的研制成功为光纤进入普通家庭创造了基本的条件，也为以后开发155Mb／s以上速率的突发式光收发模块奠定了坚实的理论和技术基础。

The fatigue crack growth rate of hydraulic turbine blades was studied using acoustic emission technique in the laboratory.

利用声发射技术在实验室环境下对叶片疲劳裂纹扩展速率进行研究。

The results reveal that two energy transfer paths (i. e.β-PEB→α/β-PCB and β-PEB→α/βPCB′) with time constants of 50ps and 200ps, respectively, exist in R-PC monomers, and that α/β-PCB′chromophores are the terminal emitting acceptors with fluorescence lifetimes of 1150 ps. The experimental results of time-resolved fluorescence spectroscopy in case of R-PC trimers exhibit that the corresponding energy transfer processes are faster in R-PC trimers than in R-PC monomers, with time constants being 45ps, 165 ps and 920ps.

结果显示：在R-PC单体中存在2条能量传递途径，即β-PEB→α/β-PCB和β-PEB→α/β-PCB′能量传递过程，其时间常数分别为50ps和200ps；作为终端发色团的α/β-PCB′的荧光发射时间常数为1150ps.R-PC三聚体的时间分辨荧光光谱实验结果显示对应的能量传递过程速率加快，其时间常数分别为45ps，165ps和920ps。

In order to analyze the characteristics of multi-position pumped fiber laser expediently, the predominant part of the re-emission was adopted to improve the solutions precise, and the rate equations describing the Yb-doped multi-position pumped fiber lasers were solved analytically.

为了方便地对多点抽运光纤激光器的特性进行分析，采用保留上能级粒子再发射项主体部分的方法以提高精确度，解析求解了多点抽运掺镱光纤激光器的稳态二能级速率方程组，得到了光纤激光器的输出功率的近似解析解。

In order to obtain more exact analytical solution to study the output characteristics of double-clad fiber lasers,according to the continuous-wave rate equations of fiber lasers,using typical parameters of double-clad fiber lasers,the contribution of the re-emission effect arising from the interaction between the upper-level atoms and pump light was estimated.Taking into account the predominant part of the re-emission to improve the accuracy of the integration approximated rate equations,the integration of the product of the loss and radiation should be found and explicit analytical expressions for the output of the DCFLs and gradient efficiency of the pump radiation,were deduced,and certain issues of concern were discussed.

为了求得用于研究双包层光纤激光器输出特性的更为精确的解析解，根据稳态速率方程组，针对典型的双包层光纤激光器参量，在估计了上能级粒子再发射项和抽运光产生的影响后，采用保留再发射贡献主导部分的办法以提高可积分近似方程的精确度，明确地提出了要获得光纤激光器输出功率的解析表达式的关键在于求出损耗系数与光场乘积的积分值，简洁地求得了输出功率和抽运光斜线效率的显函数解析表达式，并对其相关问题进行了讨论，以915nm，920nm和975nm的抽运光为例，当输出激光为1090nm时，得出975nm抽运光产生的斜率效率最高并可高达约87%。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。