| ID | 原文 | 译文 |
| 8244 | 仿真结果表明:所构造的围长为8的type-ⅡQC-LDPC码在加性高斯白噪声信道下采用和积算法迭代译码时具有较好的纠错性能且无错误平层现象。 | Simulation results show that the constructed type of girth is 8 -- Ⅱ QC LDPC code under additive white gaussian noise channel using iterative decoding and integrated algorithm has a better error correction performance and no error flat layer phenomenon. |
| 8245 | 在相控阵雷达事件调度中,常以时间偏移率作为指标构造目标函数,但时间偏移率在非线性滤波系统中往往难以实现最优的调度性能。 | In the phased array radar scheduling events, often with time migration rate as the index to construct the objective function, but time migration rate in nonlinear filtering system is often difficult to achieve the optimal scheduling performance. |
| 8246 | 针对这一问题,首先,在分析时间偏移影响的基础上,提出了以偏移影响率做为评价指标,推导了卡尔曼滤波器(Kalman filter,KF)和扩展卡尔曼滤波器(extend Kalman filter,EKF)中偏移影响率的计算公式; | In order to solve this problem, first of all, based on the analysis on the influence of time migration, is put forward to offset impact rate as evaluation index, this paper derived the Kalman filter, Kalman filter, KF) and extended Kalman filter (the extend Kalman filter and EKF) in the offset impact rate calculation formula; |
| 8247 | 然后,基于"偏移影响率"指标构造相控阵雷达事件调度中的目标函数,并利用改进的遗传算法进行求解,加快收敛速度; | Then, based on "offset impact rate index structure of phased array radar event scheduling objective function, and use the improved genetic algorithm for solving, to speed up the convergence rate; |
| 8248 | 最后,采用仿真场景测试调度方法优劣。 | Finally, using the simulation scenario testing scheduling method. |
| 8249 | 实验结果表明,在线性滤波系统中,偏移影响率与时间偏移率的调度效果相近;在非线性滤波系统中,偏移影响率的调度性能和跟踪精度明显优于时间偏移率。 | Experimental results show that the linear filtering system, the deviation affect rate with time migration rate of scheduling result close;In nonlinear filtering system, offset influence on the performance of the rate of scheduling and tracking accuracy is better than that of time migration rate obviously. |
| 8250 | 在协同应用的背景下,提出基于伪距信息的全球卫星导航系统(global navigation satellite system,GNSS)双接收机抗欺骗干扰检测算法。 | Under the background of the collaborative application, global satellite navigation system based on information of pseudorange (global navigation satellite system, GNSS) double receiver deception interference detection algorithm. |
| 8251 | 首先,建立真实信号与欺骗干扰信号的信号模型,进而得到伪距双差模型。 | First of all, the real signals and deception jamming signal model is set up, and get the pseudorange double difference model. |
| 8252 | 然后,利用卫星钟差计算公式得到卫星钟差双差计算模型。 | Then, using the satellite clock error calculation formula of the satellite clock offset double difference calculation model. |
| 8253 | 根据载噪比选择卫星信号,对测量伪距进行修正并利用最小二乘法进行导航定位解算,得到载体在ECEF坐标系中的位置。 | According to choose the satellite signal carrier to noise ratio, to modify pseudorange measurement and use the least square method for navigation positioning, get the positions of the carrier in ECEF coordinate system. |