ID 原文 译文
49707 基于该LPV模型，运用多面体理论和Lyapunov方法设计了不依赖于时变参数的静态状态反馈控制器。 Based on the LPV model, using the polyhedron theory and Lyapunov method to design the independent of time-varying parameters of static state feedback controller.
49708 仿真结果表明，所设计的控制器可以保证航行体在执行器发生饱和时仍能渐近跟踪给定深度指令，且在零初始条件下具有对噪声的H The simulation results show that the designed controller can guarantee the sailing body in actuator saturation can still order asymptotic tracking for a given depth, and has a H for the noise under zero initial conditions
49709 为解决测距仪脉冲信号干扰L频段数字航空通信系统1(L-band digital aeronautical communications system 1，L-DACS1)正交频分复用接收机的问题，提出一种基于特征矩阵联合对角化(joint approximate diagonalization of eigen-matrices，JADE)的测距仪脉冲干扰抑制方法。 To solve the rangefinder pulse signal interference 1 L band digital aviation communication system (L - band digital aeronautical communications system, 1 L - DACS1) of orthogonal frequency division multiplexing receiver problem, put forward a kind of based on joint diagonalization of the characteristic matrix (be approximate diagonalization of eigen - matrices, JADE) rangefinder pulse interference suppression method.
49710 首先将干扰抑制问题转化为盲源分离问题，在接收端建立频域盲分离模型，利用JADE算法将接收到有用信号与测距仪干扰信号分离; Interference suppression of the problem into a blind source separation problem, at the receiving end frequency domain blind source separation model is set up, using JADE algorithm receives the useful signals and rangefinder jamming signal separation;
49711 然后根据干扰信号的功率特性进行分离后信号的识别; Then according to the interference signals after the separation of the power features of recognition;
49712 最后通过训练序列解决盲源分离固有的幅度模糊性问题，最终恢复出有用接收信号。 Finally through the training sequence solving the problem of blind source separation the extent of the inherent fuzziness, eventually recover the useful signals.
49713 仿真结果表明:所提出的基于JADE的干扰抑制方法可有效消除测距仪脉冲信号干扰，改善系统的误比特性能，增加传输可靠性。 Simulation results show that the proposed method of interference suppression based on JADE can effectively eliminate the rangefinder pulse signal interference, improve the bit error performance of the system, increase the transmission reliability.
49714 Massive多输入多输出(multiple-input multiple-output，MIMO)多小区系统时分双工(time division duplex，TDD)模式中，导频训练序列在小区间是复用的，小区间不正交的导频序列会造成严重地导频污染，从而降低信道估计和预编码的准确性，成为系统性能提升的瓶颈。 Massive multiple input multiple output (multiple input multiple output, MIMO) more community system time division duplex (time division duplex, TDD) mode, the pilot training sequence between the residential area is reuse, not orthogonal pilot sequences between zones to pilot will cause serious pollution, so as to reduce the accuracy of channel estimation and prediction coding, become the bottleneck of system performance improvement.
49715 针对此问题，提出基于小区交叉分类正交识别和上行导频功率控制的导频污染减轻方法。 Aiming at this problem, based on neighborhood orthogonal cross classification recognition and uplink pilot power control method of pilot pollution reducing.
49716 对所有小区进行交叉分类，给相邻的不同类小区分配正交的小区识别位，并把相应的识别位加到本小区终端发射的导频序列头部，使基站能够识别来自不同类小区终端的导频序列。 To cross classification of all districts, adjacent to the different classes of district distribution of orthogonal community recognition and add a corresponding identification to the launch of the pilot sequences terminal head, this area makes the base station to identify from different district terminal pilot sequences.