ID 原文 译文
40456 同时考虑到地震波的物理特征，借鉴语音压缩算法，实现了一种易于用FPGA实现的24位地震数据流无损压缩算法， Considering the physical characteristics of seismic wave and using the speech compression algorithm for reference, a lossless compression algorithm for 24-bit seismic data stream, which is easy to be implemented on FPGA, is implemented.
40457 平均能将采集的地震数据压缩至原始数据大小的54%。 On average, the collected seismic data can be compressed to 54% of the original data size.
40458 铁路接触网的检测和维护对铁路的安全运行至关重要， The detection and maintenance of the railway contact network is very important for the safe operation of the railway.
40459 如何自动、快速和准确地检测接触网当前状态已成为接触网建设和运维部门亟待解决的问题。 How to detect the current state of the contact network automatically, quickly and accurately has become an urgent problem to be solved by the construction, operation and maintenance departments of the contact network.
40460 为此，本文设计了一种能自由在接触网上行走且可检测接触网内部振动频率的巡检机器人， In this paper, a patrol inspection robot that can walk freely on the contact network and detect the vibration frequency of the contact network is designed.
40461 同时结合以51单片机为核心的微处理器以及蓝牙无线通信模块，建立了接触网振动频率检测控制系统。 Combined with the microprocessor with 51 single-chip microcomputer as the core and bluetooth wireless communication module, the vibration frequency detection and control system of the contact network is established.
40462 为了验证系统设计方案的可行性，以铁路接触网为检测对象，完成对其内部振动频率的检测工作。 In order to verify the feasibility of the system design scheme, the railway contact network is taken as the detection object to complete the detection of its internal vibration frequency.
40463 实验结果表明：采用该检测控制系统可以成功地检测接触网内部振动频率，并且依此初步判断出铁路接触网内部是否有损伤。 The experimental results show that the vibration frequency of the contact network can be detected successfully by this detection control system, and the internal damage of railway catenary can be preliminarily judged.
40464 与其他铁路接触网检测方法相比，该检测控制系统操作简单、通用性强，具有一定的参考价值。 Compared with other railway contact network detection methods, this detection and control system is simple and versatile, and it has certain reference value.
40465 为实现Artix-7系列采集平台存储速率的实时切换，提出了一种具有独立配置接口的eMMC阵列控制器。 To realize the real-time switching of the storage rate of the Artix-7 series acquisition platform, an eMMC array controller with independent configuration interface is proposed.