分词以及词性标注

应用背景This paper considers the problem of interference mitigation in multi-cell multi-antenna time division duplex (TDD) wireless systems for downlink transmission. An efficient way to obtain channel state information (CSI) at the base station is by using uplink pilots and reciprocity of the downlink channel. At the same time, it has been shown that pilots from different cells contaminate each other, resulting in corruption of precoding matrices used by base stations, and high inter-cell interference. This paper studies the effects of shifting the location of pilots in time frames used in neighboring cells, and its effectiveness in obtaining better channel estimates, and, thereby, inter-cell interference reduction.关键技术Wireless cellular network designs with multiple antennas have been adopted by several modern wireless systems, which aim for high throughput as well as high

解非线性方程组的一种方法：先用一种优化方法将给定初值（它有可能会使得后续的牛顿法发散）通过一条比较快的途径收敛到精确解附近，得到一个新的初始点，然后再通过牛顿法将新的初始点迭代到精确解（一定的误差范围内）。这种方法的优点在于：它可以将牛顿法快速收敛的优势发挥出来，同时又避免了该方法收敛域比较窄的缺点。-solving nonlinear equations in a way : by using a method of optimizing initial Givens (it might make follow-up to Newton"s law divergence) adopted a relatively fast convergence to the channel near the exact solution, to be a new starting point, and then Newton"s law of the new iteration of the initial point of the exact solution ( some of error). This method has the advantage : it can be rapid convergence of Newton"s method to exploit the advantages while avoiding convergence of the method is relatively narrow domain shortcomings.

数值字符串进制转换-numerical string band conversion

有五个房子，每个房子的颜色不同，里面分别住着不同国家的人，每个人都有自己养的不同的宠物，喜欢和不同的饮料，抽不同牌子的烟。现在已知以下的一些信息：-five houses, each house different colors, which were home to people from different countries, Every individual has his own support of the different pets, likes and different beverages, pumping different brands of cigarettes. Now known some of the following information :

分配订购 A1 ；:::;对 nonterminals 的语法。 我： = 1 到 n 做开始为 j： = 1 到 1 做开始为每个窗体 Ai 的生产 ！Aj做开始删除 Ai ！Aj从每个生产的形式 Aj 的语法 ！做开始添加 Ai ！端端端的语法变换 Ai-生产，消除直接左的递归结束

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很有用的算法哦。这是我好不容易-useful algorithm oh. This is not easy, I

一个实用的复杂卡尔曼滤波，对初学者很有帮助。 -The complexity of a practical Kalman filter, useful for beginners.

为了降低移动自组织网络（Manet）中的路由开销，我们提出了一种基于邻居覆盖的概率重播方案，由于移动自组织网络（Manet）的高移动性，存在频繁的链路中断，导致路径失效和路由失效新发现路由发现的开销不能被忽略被忽视。在路线发现，广播是一种基本而有效的数据传播机制，其中，移动节点盲目地重播第一个接收到的路由请求包，从而导致广播Strom问题来了我们正在避开广播风暴问题来了我们使用两个主要因素，即连通性因子和平均延迟，找到了从源到目的地发送消息的共同邻居比率.we将通过公共邻居路径发送rreq，从而减少重传和路由开销。