查询词典 high frequency
- 与 high frequency 相关的网络例句 [注:此内容来源于网络,仅供参考]
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For orthogonal frequency division multiplexing systems in high-mobility environment, channel variations within one OFDM symbol will introduce intercarrier interference, thus lowering the system performance.
对於应用於高移动通讯环境之正交分频多工(Orthogonal Frequency Division Multiplexing, OFDM)系统,每一个OFDM符元期间的通道时变导致载波间干扰(Inter-carrier Interference, ICI)发生,使得系统效能降低。
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Some methods, in which synthesized theoretical seismogram of high frequency is taken as record signal and 20%random noise is superimposed on the seismogram, are used to analyze the theoretical seismogram. The digital experiment shows that in the correlating frequency range, Green's function method can measure precisely interstation phase velocity, but the results obtained by correlation and narrow band-pass filtering correlation methods are more dispersed.
以合成的高频理论地震图作为记录信号,并在理论地震图上叠加了20%的随机噪声,利用这些方法分析理论信号,数字实验表明:在相干频率范围内,格林函数方法能够精确测量台间相速度,而互相关法和窄带通滤波互相关法所得结果较为离散。
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And it can be used to connect lower mechanicalnesw graphite,can be used to connect lower mechanicalness graphite,ceramics or glass pipeline,and as supply&drain stuff pipe for tanker,store pot,vesssl or used to nalance pipeline displacement, dimension change or used to balancepipelinedisplacement,dimension change or eliminate high frequency mechanical vibration causeed by climate or other frequency mechanical vibration caused by climate or other reasons.
波纹软管通过特殊的加工方法,改变了以往管道不能弯曲的特性,它可用来连接机械较低的石墨、陶瓷或玻璃管道,可作槽车、贮藏、容器或反应釜的给、排料管,可进行管道错位连接或用来平衡因气候或其它原因引起的管道位移、尺寸变化或用来消除高频机械的振动。
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For high-frequency words, there was no phonologically mediated priming effect, and for low-frequency words, the phonologically mediated priming effect, although significant itself, was statistically different from the direct semantic priming effect.
实验结果发现频率较高的词的加工中没有语音中介启动效应,在频率较低的词的加工中得到了语音中介启动效应,但是这种中介启动效应与直接的语义启动效应有显著差异。
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The appearance of heterojunction high electron mobility devices has made the new vigor poured into the development of GaAs MMICs. Pseudomorphic high electron mobility transistors have outstanding high-frequency characteristics, power characteristics and low-noise characteristics. And these merits have made the PHEMTs one of the most promising devices.
异质结高电子迁移率器件的出现给GaAs MMIC的发展注入了新的活力,赝配高电子迁移率晶体管具有优异的高频特性、功率特性和低噪声特性,使其成为现今微波单片集成电路发展中最具应用前景的器件之一。
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A Reflectional radio receiver also called a reflex radio is a radio receiver design in which the same amplifier is used for both the high-frequency radio RF and low-frequency sound AF signals .
一个来复收音接收机是这样一种收音机,它的放大器同时用来对高频信号和低频信号进行放大。
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A correction method for beam hardening, involving simple operations of the original polychrornatic projection sinogram, was presented based on the analysis of three physics properties implied by beam hardening. Its correction principle was deduced mathematically. A noise reduction method was proposed to suppress the noise enlarged by the harden correction by processing the high-frequency and the low-frequency components in the projection sinogram respectively.
在分析射束硬化现象具有的3个物理属性基础上,提出了一种对原始多色投影正弦图进行操作的硬化校正方法,并从数学上证明了其校正原理,针对该方法带来的噪声放大问题,研究了一种基于高、低频信息分类处理的噪声抑制方法。
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The essence of EDID is to set up a normal behavior fuzzy sub collection A on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection B with real time transfer array, then detect with the principle of minimum distance in fuzzy discernmethodThe innovation point of this paper is : Put forward the method of EDID, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of IDS; Use tree type structure to preservation the character database, have saved greatly stock space; in detection invade , carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method.
本文的创新点是:通过对特权进程的系统调用及参数序列的研究,提出了基于Euclidean距离的入侵检测方法EDID,不仅能有效降低漏报率和误报率,而且使实时入侵检测成为可能;设计有独立而完整的特征数据库,根据被监控程序的类别,分别设计正常行为、异常行为等,提高了检测系统的强健性和可伸缩性;特征数据库按树型结构存储,大大节省了存储空间;在检测入侵时,实行频度优先原则,优先分析和处理信息表中的高频度行为特征,提高检测的速度和效率,使实时入侵检测成为可能;同时实现了异常入侵检测和误用入侵检测,弥补了单一检测方法的不足。
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This mechanism converts satellite signals from high frequency transmittable signals to low frequency signals for local receivers.
这一机制的转换卫星信号从高频transmittable信号,低频信号为本地接收机。
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Seven Stars colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill.
七星胶体磨工作原理充分动静磨盘齿形斜面的相对运动而成,其中一个高速旋转,另一个静止使物料通过齿形斜面之间的物料受到极大的剪切力和摩擦力,同时又在高频震动和高速旋涡等复杂力的作用下使物料为流体超微粒粉碎、乳化、分散、均质、搅拌等功能,可代替并优于石磨,砂磨机、球磨机、乳匀机、剪切乳化机、三辊机、组织捣碎机等工作效率。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了,但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场,你等着挨绳子吧!
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。