ID 原文 译文
14735 目前,城市内河水面极易被生活垃圾和落叶等漂浮物所覆盖,人工打捞费时费力,且难以满足河道清理的需求。 Nowadays, the surface of urban inland rivers is easily covered by floating trash such as household garbage and fallen leaves, however, manual salvage is time-wasting and laborious, which is difficult to meet the needs of river cleaning.
14736 随着无人驾驶技术的发展,具备打捞功能的无人船成为了代替人力的有效手段。 With the development of technology in automatic driving, the ship with the salvage function has become an effective means to replace manual working.
14737 为此,本文从解决实际问题的角度出发,解释了一种自动化效率高的无人船的系统设计,利用GPS导航、互联网远程控制和航迹控制等技术,为城市水面的环境治理提供一种新型的装备。 Therefore, from the point of view of solving practical problems, this paper explains the system design of an unmanned ship with high automation efficiency, which provides a new type of equipment for environmental governance of urban water surface by using GPS navigation, Internet remote control and track control technology.
14738 针对基于压缩感知的信道估计传统算法中,内积准则无法筛选出最佳原子的问题,本文采用了基于广义正交匹配追踪的改进算法（GOMP）。 In view of the problem that the inner product criterion cannot filter out the best atom in the traditional channel estimation algorithm based on compressed sensing, this paper adopts an improved algorithm based on generalized orthogonal matching pursuit (GOMP).
14739 该算法用Dice原子匹配准则代替经典的内积准则,并融合原子"弱"选择的方法,避免内积准则无法从冗余字典中选取最优原子的问题。 This algorithm replaces the classic inner product rule with the Dice atom matching criterion, and integrates the method of “weak” selection of atoms to avoid the problem that the inner product criterion cannot select the optimal atom from the redundant dictionary.
14740 通过Matlab理论仿真,当步长设置为3,信噪比取40dB时,GOMP算法的误码率是0.8557×10-2,而改进的GOMP算法误码率为0.2356×10-2,由此证明改进的GOMP算法在误码率方面优于GOMP算法。 Through Matlab theoretical simulation,when the step size is set to 3 and the signal-to-noise ratio is 40dB, the error rate of the GOMP algorithm is 0.8557×10-2, and the error rate of the improved GOMP algorithm is 0.2356×10-2, which proves The improved GOMP algorithm is better than GOMP algorithm in bit error rate.
14741 本文提出了一种基于离散小波变换和模糊推理的配电网故障识别方法,该方法既能识别故障类别,也能对发生故障相进行确定,可忽略故障起始角、负荷及配电网其他参数变化对故障的影响。 This paper proposes a method for identifying faults in the distribution network based on discrete wavelet transform and fuzzy inference. It can identify the fault category and determine the fault phase, and ignore the fault initiation angle, load, and other parameters of the distribution network.The method is simulated on the IEEE 13-node distribution network system and the real distribution network system.
14742 该方法在IEEE13节点配电网系统和某地配电网系统上进行了模拟仿真,通过将三相电流作为故障识别的输入信号,能准确识别故障类别以及发生故障相。 By using the three-phase current as the input signal for fault identification, the method can identify the fault category and the fault phase accurately.
14743 本文采用光电传感器设计了用于脉搏搏动测试及采样的检测系统,系统采样脉搏波信号后通过小波变换,在小波域范围内对脉搏信号进行阈值去噪,并经单片机控制系统进行了数据处理,计算得到了所测脉搏数据。 In this paper, a photoelectric sensor is used to design a detection system for pulse test and sampling. After the system samples the pulse wave signal, it passes through wavelet transform, and denoises the pulse signal threshold in the wavelet domain. The data is processed by the singlechip control system. Process and calculate the measured pulse data.
14744 研究结果表明,小波去噪算法能有效消除脉搏信号中的噪声,基于光电传感器的脉搏搏动测量系统测量精度高。 The research results show that the wavelet denoising algorithm can effectively eliminate the noise in the pulse signal, and the pulse beat measurement system based on the photoelectric sensor has high measurement accuracy.