ID 原文 译文
7184 仿真结果表明,该算法可以实现CD3S信号的正确解调,改进卡尔曼增益解调可以有效改善CD3S系统的误码性能。 The simulation results show that the algorithm can realize correct CD3S signal demodulation, improved kalman gain demodulation can effectively improve the ber performance of CD3S system.
7185 针对四旋翼无人机飞行系统欠驱动、非线性、多变量、强耦合等控制难点,设计了串级控制系统。 In view of the four rotor underactuated unmanned aerial vehicle (uav) flight system, nonlinear, multivariable, strong coupling, such as control difficulty, designs the cascade control system.
7186 在该控制系统中,外环位置回路采用了经典的比例-微分控制方法。 Outside position loop in this control system, using the classic - differential control method.
7187 内环姿态回路分别采用线性自抗扰控制和非线性自抗扰控制两种控制方法进行设计。 The proportion of the inner attitude loop respectively using linear since the immunity control and nonlinear since the immunity control two control methods to carry on the design.
7188 通过仿真对两种控制方法进行了比较,仿真结果表明,两种控制方法虽然都实现了四旋翼无人机位置控制和姿态角控制,但是线性自抗扰控制更加符合工程实际的需求,对四旋翼无人机而言线性自抗扰控制是一种更有效的控制方法。 Through simulation, compares the two control methods, the simulation results show that two kinds of control methods are the four rotor unmanned aerial vehicle (uav) position control and attitude Angle control, but since the immunity control linear demand, more in line with the engineering practice for four rotor unmanned aerial vehicle (uav) linear since the immunity control is a more effective control method.
7189 设计了一种具有双陷波特性的小型化Vivaldi天线。 We design a miniaturized Vivaldi antenna with double trap potter.
7190 通过在天线的辐射贴片上开一对E字型结构和在馈电处开电容性负载环路（capacitively loaded loop,CLL）结构,可以有效滤除无线局域网（wireless local area networks,WLAN）(5.15) Through on in the radiation patch antenna is a pair of E type structure and in the feed driving capacitive load loop (capacitively the loaded loop, CLL) structure, can effectively filter out the wireless local area network (wireless local area networks, WLAN) (5.15)
7191 当空间微动目标仅发生小视角变化且雷达脉冲重复频率较低时,基于雷达散射截面序列、高分辨距离像(high-resolution range profile,HRRP)序列和微多普勒等特征提取算法的有效性面临了挑战。 When space micro target only small Angle change and radar pulse repetition frequency is low, based on the sequence of radar scattering cross section, high resolution distance (high - resolution range profile, HRRP) sequence and the effectiveness of the micro-doppler features extraction algorithm is facing the challenge.
7192 为此,基于宽带逆合成孔径雷达(inverse synthetic aperture radar,ISAR)像序列提出一种目标微动周期估计方法。 Therefore, based on the broadband inverse synthetic aperture radar (inverse synthetic aperture radar, ISAR) as a sequence of a target micro cycle estimation method is proposed.
7193 基于微动目标ISAR成像的分析,利用ISAR图像序列之间的相似度进行微动周期估计。 Based on micro target ISAR imaging analysis, the use of ISAR image sequence similarity between micro cycle estimates.