函数符号

A vector signal space is defined by defining the two-dimensional (2D) orthonormal basis functions, and three critical measurements of performance, namely, probability of error, efficiency of spatial spectra and power efficiency are also defined as metrics for comparing candidate modulation schemes.

通过定义于二维空间的正交基函数建立了矢量信号空间，并定义了三个衡量空间信号设计方案性能的指标，即误符号率，频带利用效率和功率效率等。

A new simplified three-dimensional piecewise continuous autonomous system (a modified model of unified chaotic system) was introduced by replacing a quadratic nonlinear term in a unified chaotic system with a piecewise linear signum function.

通过用分段线性符号函数替换统一混沌系统中部分二次项，得到一个新分段连续的自治系统(称为统一混沌系统修改模型)。

At the transmitter, the precoder is constructed as the function of all users'channel state information according to the performance criterion of minimizing average probability of vector symbol error.

在基站发射端，根据最小平均矢量符号错误概率准则，预编码器构造为所有用户信道状态信息的函数。

In the improved Chan-Vese model, the reconciled signed distance function was added, so there is no need to reinitialize during the evolution.

改进的Chan-Vese法加入了约束符号距离函数的能量项，避免了演化时候的重新初始化。

A TVD Rungo-Kutta method with varying time steps is proposed to reinitialize the signed distance function, which guarantees the upwind design of each Euler step.

提出一种变步长的TVD Runge-Kutta方法来重新初始化符号距离函数，保证了Runge-Kutta方法中每一欧拉步都满足迎风设计要求。

A TVD Runge-Kutta method with varying time steps is proposed to reinitialize the signed distance function, which guarantees the upwind design of each Euler step.

提出一种变步长的TVD Runge-Kutta方法来重新初始化符号距离函数，保证了Runge-Kutta方法中每一欧拉步都满足迎风设计要求。

The way on how to compute the optimal math＇s model is given and the survival condition of optimal root is discussed.

研究了一种特殊的订单生产——准时制下非核心企业的生产，分析了计划范围内的成本，并分别就各种成本给出求解公式，尤其在能力波动费用的求解上，引进了符号函数，解决了在任意单位时间段内能力累计的数学表达以及能力波动费用的数学求解，在以上基础上给出了最佳生产的数学模型，给出了求解方法，讨论了最优解的存在条件，最后，讨论了在APS中的应用前景。

In this paper, it is proved that the polar signal obtained from the symbolization of an ergodic random signal is stationary and that the autocorrelation function of the polar signal is ergodic.

本文证明了各态历经的随机信号经符号化处理后，得到的极性信号是干稳的，极性相关函数是各态历经的。

Firstly, system model depicted by TSIOA is transformed into an USTGSS (untimed stable label transition graph of symbolic state) which does not contain abstract time delay transitions. Then, the testing methods based on LTS are used to the generate transition sequences from USTGSS according to structural coverage criteria. Finally, a process of constructing and executing the test cases is given, in which object functions of time delay variables are imported, and time delay variables used in the transition sequences are solved dynamically by linear programming techniques.

该方法首先将时间安全输入/输出自动机描述的系统模型转换为不含抽象时间延迟迁移的稳定符号状态迁移图(untimed stable transition graph of symbolic state，简称USTGSS)；然后采用基于标号迁移系统(labeled transition system，简称LTS)的测试方法来静态生成满足各种结构覆盖标准的包含时间延迟变量迁移动作序列；最后，给出了一个根据迁移动作序列构造和执行测试用例的过程，该过程引入了时间延迟变量目标函数，并采用线性约束求解方法动态求解迁移动作序列中的时间延迟变量。

Shockwave 3D access and manipulation is particularly convenient for function s within an Xtra that need symbols as arguments.

Shockwave 3D为了便于访问与操作插件内部的函数特别需要符号来作为参数。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。