ID 原文 译文
15265 通过设计光栅码盘实现对无刷电机速度的测量，由PID算法控制电机转速使电机反馈信号与MEMS微镜反馈信号频率相同，并检测两路反馈信号的相位差，调节DDS驱动信号的相位实现相位同步。 The speed measurement of the brushless motor is realized by designing the grating code disc. The proportion integration differentiation( PID) algorithm controls the motor speed so that the motor feedback signal and the MEMS micromirror feedback signal have the same frequency and the phase difference of the two feedback signals can be detected. Adjust the phase of DDS drive signal to achieve phase synchronization.
15266 实验表明，系统工作稳定，相位误差不超过1.5%。 Experiments show that the system works stably and the phase error does not exceed 1. 5 %.
15267 针对拓宽神经网络的结构会导致计算量增大，计算性能降低，需要针对并行的网络进行更有效的优化以及调度。 Broadening the structure of the neural network will lead to the increase of the amount of computation and the decrease of the computational performance, it is necessary to optimize and schedule the parallel network more effectively.
15268 通过分析FPGA平台上实现卷积神经网络的计算吞吐量和所需的带宽，在计算资源和访存带宽的限制下，采用了屋顶模型进行了设计空间的探索，提出了在不同支的卷积神经网络中使用不同的循环展开因子，从而实现同一卷积层中不同支神经网络的并行计算，保证计算资源和内存资源的合理分配。 By analyzing the throughput and bandwidth of convolutional neural network on FPGA platform, the roof model is used to explore the design space under the limitation of computing resources and memory access bandwidth. It is proposed to use different cycle expansion factors in different branches of convolutional neural network, so as to realize the parallel computing of different branches of neural network in the same convolution layer and ensure the computing efficiency reasonable allocation of resources and memory resources.
15269 实验结果表明，所提出的设计与先前研究相比获得了1.31×的性能提升。 The experi-mental results show that the performance of the proposed design is improved by 1. 31 × compared with the previous research.
15270 介绍了用于近红外光探测的InGaAs三元化合物材料体系，并通过数学软件编写求解出InGaAs/GaAs单量子阱有限深势阱的波函数方程。 This paper summaries InGaAs ternary compound material which can be used to detect near-infrared light, and solves the wave function equation of the InGaAs/GaAs single quantum well by using mathematics software.
15271 根据计算结果，设计出InGaAs/GaAs多量子阱结构，之后采用分子束外延技术完成了高质量外延片结构的研制，通过双晶X射线衍射等分析手段，推算出多量子阱结构中In的组分，势垒与势阱的厚度等参数与理论设计一致，具有很好的近红外探测器研制价值。 The InGaAs/GaAs multiple quantum wells structure is designed and fabricated by MBE on the basis of the calculated conclude. The In component and the thickness of the well and barrier can be calculated by double crystal X-ray diffraction analysis. The results are consistent with theoretical de-sign and could guide the infrared detector development.
15272 多源异构数据的高精度同步采集是轨道动静结合快速检测系统中的关键技术。 The high-precision synchronous collection of multi-source heterogeneous data is a key technology in the rapid detection system of combined track motion and static.
15273 设计了一套轨道动静结合快速检测多源数据采集模块，该模块以Xilinx公司的Artix-7系列FPGA为主控芯片，以英伟达TX2高性能计算机为核心数据处理单元，利用高稳晶振、结合GPS输出的PPS脉冲和NEMA数据建立高精度时间基准，通过控制AD采样频率实现位移传感器、温度传感器、激光位移传感器等多传感器数据的高精度实时同步采集。 In this paper, a set of track dynamic and static combined rapid detection multi-source data acquisition module is designed.
15274 该模块体积小、成本低。 This module uses Xilinx's Artix-7 series FPGA as the main control chip, NVIDIA TX2 high-performance computer as the core data processing unit, and uses high-stability crystal oscillators and PPS pulse and NEMA data output by GPS establish a high-precision time reference, and realize high-precision real-time synchronous collection of multi-sen-sor data such as displacement sensors, temperature sensors, and laser displacement sensors by controlling AD sampling frequency.The module is small in size and low in cost.