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1)  Waveband Potection
波带保护
2)  guard band filter
保护频带滤波器
3)  protective film
保护胶带
1.
Study on acrylic emulsion pressure-sensitive adhesive for protective film;
表面保护胶带用聚丙烯酸酯乳液压敏胶的研究
4)  broken belt protector
断带保护
1.
Analyses the importance of protection of belt broken for uphill belt conveyor,summarizes the technology of broken belt protection,emphatically introduces the eccentric roller type broken belt protector and the SPDB-Ⅰwedge type broken belt protector,analyses their design feature's and compares their performance.
分析了上运带式输送机断带保护的必要性,综述了现有的断带保护技术,着重介绍了偏心轮式和SPDB-Ⅰ型楔块式断带保护装置,分析了结构特点,并对其性能进行比较。
2.
The paper introduces a conveyor broken belt protector which uses a self-locking wedge to fasten the gliding belt,establishes the mathematical model of the fastening wedge,provides the factor for the self-locking wedge and the formula of the braking confidence coefficient and analyses the influence of the wedge angle and friction angle on the braking performance.
介绍了一种利用楔块形成自锁将输送带夹紧制动的带式输送机断带保护装置,建立了楔块夹紧的数学模型,推导出楔块形成自锁条件和制动可靠系数公式,分析了楔块楔角和摩擦角对制动性能的影响。
5)  guard band
保护频带
1.
For the OFDM(orthogonal frequency division multiplexing) systems with guard band,the permissible biggest guard bandwidth is computed on the bases of the conventional UPPTS(uniformly placed pilot tones sequence) design and the premise that the MSE(mean square error) of the LS(least square) channel estimation must be minimum.
针对设置有保护频带的OFDM系统,基于等间隔导频(UPPTS)设计方法,在保证最小二乘(LS)信道估计均方误差(MSE)最小的前提下,计算了系统允许存在的最大保护频带宽度,给出了初始导频位置的选择范围,通过调整导频序列的初始位置,使导频序列有效避开保护频带。
2.
To avoid guard band, the domain of initial pilot placement and the maximum guard bandwidth were proposed.
针对设置有保护频带的MIMO-OFDM系统,还给出了最优导频序列初始导频位置的选择范围,使导频序列有效的避开保护频带,并计算了系统最大可能存在的保护频带宽度,仿真实验验证了算法的有效性。
6)  protective net-belt
保护网带
1.
Based on the Characteristics of the semiconductor lightning eliminator and considering its applying field of electric power system,this pa- per proposes a method of consisting a Combined protective net-belt with the semiconductor lightning e- liminator,and summarizes the practical experience with applying semi-conductor lightning eliminator.
本文根据半导体消雷器的性能特征,以电力系统为应用领域,提出了将半导体消雷器组成联合保护网带的方法,总结了运用半导体消雷器的实际经验。
补充资料:保护胶黏带
分子式:
CAS号:

性质: 用于家具、窗框、玻璃板、塑料板的表面保护,钢板的防锈,受到冲击处的保护,加工制件表面划伤的保护的压敏胶黏带。

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