双周期对数纸 two-cycle log paper
功率与周期对数表 log level-period meter
对数周期天线 log periodic antenna ; LPDA ; Logarithmic periodic antennas ; ithmic periodic antenna
对数周期偶极阵 LPDA
对数周期的 log periodic
对数周期偶极天线 log-periodic dipole ; LPDA
对数周期偶极天线阵 log periodic dipole array ; LPDA LogPeriodicDipoleArray
对数周期幂律模型 LPPL
对数周期偶极子天线 LPDA ; Log Periodic Dipole Antennas
本文讨论了采样周期对数字控制系统质量的影响。提出了选择采样周期的设计原则。
The paper discusses the influences of the sample cycle time on the quality of the numerical control systems and presents the design principles of choosing the sample cycle time.
开发周期的缩短，对数据集成服务的需求的增长，促使Web开发人员探索新的技术来构建跨多个数据源的可嵌入式报表。
Short development cycles and increased demand for data integration services are prompting many Web developers to explore new techniques for building embeddable reports that span multiple data sources.
用于电磁兼容试验的宽频带天线有很多类型，如双锥天线、对数周期天线、螺旋天线、喇叭天线等等。
There are all kinds of antennas used in EMC test such as biconical antennas, log periodic antenna, helical antenna, ridged horn antenna and etc.
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