By utilizing the comb - like reflection spectrum of a hi - bi fiber loop mirror to suppress the ase ( amplified spontaneous emission ) of a double - pass edfa , the noise figure of this amplifier is much improved 利用双折射环镜的梳状反射特性抑制双通edfa的ase ,从而使放大器的噪声性能得到了明显改善。
Lifting devices for refuse collection . part 1 : technical specifications and safety requirements concerning comb lifting devices used for mobile waste containers with capacities from 80 l to 770 l with flat lids 垃圾收集用提升设备.第1部分:容量80l - 170l带有平盖的移动废料容器用梳状提升设备的技术规范和安全要求
Hence , this paper focuses on fast channel estimation algorithms for ofdm - cdma receivers . we use comb pilots to estimate the channel response , and propose a low - complexity discrete fourier transform based mmse channel estimator 采用梳状导频进行信道估计，提出了一种低复杂度、基于离散傅立叶变换的最小均方误差的信估计算法。
The main works are as the follows . in view of the contradiction among frequency , output power and dissipation power , propose deep - trench junction termination structure filling with isolated materials and collector - combed ( base - combed ) structure 主要工作包括以下几个方面：针对频率与功率、功耗的矛盾，提出了绝缘深阱结终端结构和梳状集电结(基区)结构。
The design principle is introduced and a solution , called cs code , is obtained by the use of two operations to the conventional orthogonal code set ; an operation of cyclic repetition and an operation of angle rotation 文章介绍了这种码的设计准则，并给出了一个具体的实例，称为梳状频谱cs码。 cs码利用传统的正交码通过2步操作得到： 1循环重复操作2角度旋转操作。
The results show that high inlet velocity and porosity is favorable for fuel cell performance . based on above - mentioned 3 - d mathematical model , a comparison study of pemfc with conventional and interdigitated flow fields has been conducted at last 最后，基于前面建立的数学模型，比较和计算了传统流道设计和交叉梳状流道设计pem燃料电池的流场、电流密度和物料等的多维分布。
Actuation technologies of micro - mechanical cantilever are summarized , and formula for capacitance and electrostatic force involving edge - effect of comb - drive actuator are derived . a comb - drive electrostatically actuated microgripper and its design process are described in detail 总结了微机械悬臂梁的静电、压电、热、电磁等驱动技术，推导了计及边缘效应的梳状静电驱动器静电力公式。
In addition , due to the produce techniques and process , we recommend the vigi dpn that has top feeding feature . it can make the circuitry connection faster , easier , and stronger . spd is used for lightening over voltage protection and operational over voltage protection in power system 另外，考虑到盘厂的人性化生产工艺，我们推荐选用1p + n的梳状母排和具有上出线的vigidpn ，它可以使接线操作变得更快速、更简洁、更牢靠。
This paper introduces a kind of technology , by which a new type of polarization delay structure is used to manufacture narrow - channel - interval interleavers , which arc characteristic of small in insertion loss , polarization dependent loss and polarization mode dispersion , and easy in assembly 文章介绍了一种利用偏振延迟结构制作窄信道间隔的梳状分波器的技术，使用该技术制作的梳状分波器具有插入损耗低、偏振相关损耗低、偏振模色散小且组装方便等特点。
The second , the main work in the paper is discussed . they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision , at 10 - 12 second level , for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data 本文从计算机视频电磁泄漏和数字滤波器两方面的基本理论出发，详细论述了计算机视频信息电磁泄漏的原理及特点，指出视频泄漏信息的频谱是以行频为周期的谱线；分析了重加滤波器和梳状滤波器的性能；分析了视频泄漏信息截获的条件；推导出稳定截获视频泄漏信息需要对同步信号的精度控制在皮秒级；论述了清晰再现对接收机和数据采集卡的技术要求。
