精确解

Firstly, the Signal Noise Ratio characteristic of matched filter despread symbol and the distribution of coherent phase estimation error are derived. Secondly, the exact integration formula of BER for fading channel is presented, moreover, by using the Maclaurin series expansion of MPSK conditional Symbol Error Rate, the simplified BER approximations for BPSK and QPSK are derived over AWGN, Nakagami-m fading and Rayleigh fading channel.

首先推导了匹配滤波解扩符号的信噪比特性和相干相位估计误差的分布；然后给出了衰落信道中误比特率的精确积分式，并利用MPSK条件误符号率的麦克劳林级数形式，推导了AWGN，Nakagami-m衰落和瑞利衰落信道中BPSK，QPSK误比特率的简化逼近式。

Then, we set up the double-row monodromy matrix of the Hamiltonian, the transfer matrix and the reflection equation of the system with the help of the scattering matrix and the reflecting matrix.

接着借助量子反散射方法，运用两体散射矩阵和反射矩阵，构造了双行monodromy矩阵、转移矩阵和系统的边界反射方程，从而详细证明了系统的精确可解性。

More over, a group interpretationis provided to the similarity reductions in terms of nonclassical symmetry.

第六章利用寻求偏微分方程的相似约化的直接方法讨论了广义Burgers方程的相似约化以及相应的精确特解，并对所得到的约化提供了非经典对称群解释。

Because of nonlinearity of system model, the analytical solutions of model would not be obtained.

由于系统模型强烈的非线性，一般无法获得精确的解析解，只能对其进行数值求解。

Here, we review recent evidences suggesting that nitric oxide exerts a fine control of neuronal energy metabolism by tuning the balance of glucose-6-phosphate consumption between glycolysis and pentose – phosphate pathway.

我们综述了近期的证据，说明一氧化氮通过影响葡糖-6-磷酸消耗量，调节糖酵解和戊糖磷酸盐通路之间的平衡，精确控制神经元的能量代谢。

The photoelasticity experiment was made to get the pressure distribution, and its results were loaded as the boundary conditions in finite element analysis to calculate the stress field of flat extrusion chamber.

针对扁挤压筒内应力的解析法求解非常困难，且很难有精确理论解的特点，用光弹性实验方法确定挤压力的作用方式，以此作为有限元计算的边界条件，对扁挤压筒内部应力场进行分析计算。

Kinematic solution of the tissue culture plantlet transplanting robot established a foundation for trajectory planning and accurately motion control.

机器人运动学正、逆解的实现，为组培苗移植机器人的轨迹规划和精确运动控制奠定了基础。

The projectile motion touching the bore wall with the bourrelet, an important project in ballistics, is included in the analysis solution to a general Ricatti equation.

将在弹道学中具有重要地位的弹丸前定心部紧贴膛壁的运动问题〓，首次归结为一般的Ricatti方程的求解问题，找到了相应的足够精确的解析解。

In this paper, reciprocal theorem method is generalized to solve the problem of bending of thick rectangular plates under uniformly distributed load based on Reissner s theory.

在本文中，功的互等定理法被推广应用于求解基于Reissner理论的厚矩形板的弯曲问题，给出了三边简支一边固定厚矩形板在均布载荷作用下弯曲的精确解析解，并分析了解的数值结果。

Using linear superposition,approximate expressions have been derived for weak repulsive interaction energy and force between parallel plates with high surface potential.

结合文献 [3]给出的强相互作用表达式，对高电位平行平板型颗粒的相互作用给出了完整的描述，和精确数值解吻合相当好。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。