narrow frequency中文是什么意思

• 窄频带

• "narrow"中文翻译    adj. 1.狭,窄,狭隘的,狭小的 (opp. bro ...
• "frequency"中文翻译    n. 1.屡次，频仍，频繁。 2.(脉搏等的)次数，出现 ...
• "narrow band frequency" 中文翻译 :    窄带频率
• "narrow band frequency feedback" 中文翻译 :    窄带频率反馈
• "narrow band frequency modulation" 中文翻译 :    窄带档; 窄带调频; 窄带频率调制; 窄频带调频
• "narrow frequency band network" 中文翻译 :    窄频带网路
• "narrow frequency band noise" 中文翻译 :    窄频带噪声
• "narrow frequency band noises" 中文翻译 :    窄频带噪声
• "narrow frequency modulation" 中文翻译 :    窄带调频
• "narrow shift frequency shift keying" 中文翻译 :    窄移频键控
• "narrow" 中文翻译 :    adj. 1.狭,窄,狭隘的,狭小的 (opp. broad, wide)。 2.有限的,受限制的；有偏见的,气量小的,心眼儿窄的；眼光短浅的。 3.仅仅的,勉强的。 4. (资力)薄弱的,贫穷的；〔英方, Scot.〕 吝啬的,小气的。 5.精细的,严密的。 6.【语言学】窄音的。 7.(空气)缺乏的。 have a narrow circle of friends 交际不广。 in a narrow sense 狭义的。 narrow cloth (52英寸以内的)窄幅布。 a narrow mind 小心眼儿,小气量。 a narrow victory 勉强胜利。 a narrow majority 勉强的多数。 a narrow examination 严格的检查。 narrow circumstances [means] 穷困。 narrow market 呆滞的市场。 narrow vowels 窄母音。 within narrow bounds 在小范围内。 have a narrow escape [shave, squeak] 九死一生。 the narrow bed [cell, house] 坟墓。 the narrow way 正直；正义。 n. 1.〔常作 pl.〕海峡，峡谷。 2.(场所、物品等的)狭窄部分。 the Narrows 1. 达达尼尔海峡的最狭窄处。 2. 美国纽约 Staten Islands 和 Long Islands 之间的海峡。 vt. 1.使狭,弄窄,收缩。 2.限制,缩小。 narrow an argument down 限制争论的范围。 vi. 变狭,变窄；【编织】收小。 n. -ness 狭窄,狭小；偏狭；穷困。
• "narrow-narrow gate" 中文翻译 :    超窄选通脉冲
• "frequency" 中文翻译 :    n. 1.屡次，频仍，频繁。 2.(脉搏等的)次数，出现率；频度；【物理学】频率，周率。 audio frequency音频。 a high [low] frequency高[低]频。 the frequency of earthquakes in Japan 地震在日本的频繁发生。 mean [median] frequency中频。 resonance [resonant] frequency谐振频率，共振频率。 ultrahigh frequency超高频。 ultralow frequency超低频。 very high frequency甚高频。 very low frequency甚低频。
• "a narrow alley" 中文翻译 :    狭窄的胡同
• "a narrow corridor" 中文翻译 :    狭窄的走廊
• "a narrow escape" 中文翻译 :    仇中仇; 侥幸逃脱; 死里逃生，九死一生
• "a narrow forehead" 中文翻译 :    窄小的额头
• "a narrow squeak" 中文翻译 :    好险; 侥幸的脱险; 九死一生的脱险, 勉强的成功
• "a narrow swale" 中文翻译 :    狭长的洼地
• "a narrow view" 中文翻译 :    狭隘的看法
• "a narrow vowel" 中文翻译 :    窄元音
• "be narrow minded" 中文翻译 :    气量狭小; 心胸狭隘
• "by a narrow margin" 中文翻译 :    比分相差不大地, 以微弱多数, 悬而又悬地
• "catholic narrow" 中文翻译 :    宽宏大量的 狭隘的
• "defile (narrow)" 中文翻译 :    狭道

• Another attribute is the flux or radiant power that can be delivered in that narrow frequency band .
  另一个性质就是在这样窄的频带内可以给出很高的光通量或辐射功率。
• Many bats emit an echolocation call that contains a narrow frequency range and then analyze returning echoes to navigate and to detect prey
  许多蝙蝠会发出频率?围狭窄的回声定位呼叫，然后分析回声来作导航与侦测猎物。
• There are several defects of the monitoring method using embedded optical fiber sensors , such as the narrow frequency operation band of the sensors and the expensive cost of the instrument system
  光纤传感法也存在着不少缺点，如光纤频带窄、设备费用昂贵等。
• Only photons in a very narrow frequency range can be emitted by any material . led s that emit different colors are made of different semi - conductor materials , and require different energies to light them
  以上仅为led并档使用的推荐办法，在实际生产中，用户则可以根据自己产品的特点进行相应的调整或以其它的办法使用。
• A large proportion of the bat ' s auditory receptors ( hair cells in the cochlea ) and large areas in the bat ' s brain are devoted to analyzing a narrow frequency range corresponding to a single harmonic of the returning echo
  蝙蝠用很大一部分的听觉受器（耳蜗中的毛细胞）与大幅的脑部区域，来分析一段?围狭窄的频率，该频率正与回声的一个谐波相符。
• Since commercial pll ic came out , phase - locked - loop frequency synthesis has become widely accepted . but when narrow frequency - step is required , the loop bandwidth has to decrease while cannot meet the demand of frequency - hopping speed
  数字锁相集成器件出现以来,锁相式频率合成器得到迅速发展,但是当需要窄频率步进时,环路带宽需要降低,致使锁定时间变长,不能满足快速跳频的要求。
• From some characteristics observed , such as the short lift time , narrow frequency band , fast frequency drift , quasi - periodic pulsation , spike event and complex magnetic structure , it is considered that the radiation mechanism of these events may be principally due to the electromagnetic waves magnified directly by the instable electronic cyclotron
  从它们的观测特征：短寿命，窄频带，频率快速漂移，及尖峰事件与磁结构复杂的大黑子活动区密切相关等，认为这些事件的辐射机制可能是电子回旋脉泽不稳定直接放大电磁波所致。
• The controlled object hyvp ( hydraulic pressure vibration platform ) has the property of big loading pressure and rating power , so it need considerable transmitted and control power , it also has the property of high - level math model , and narrow frequency width in closed - loop , and bad stability . this thesis is based on the hpvs in the “ tiema project ”
  被控对象(液压振动台)具有负载压力和额定功率相当大的特点,因此要求传输和控制的功率要相当可观;而且它还具有数学模型阶数高、闭环频带宽度窄、稳定性差等特点。
• In this thesis , a kind of software method is researched to realize the functions of fast acquisition , tracking and demodulation of pcm - cdma - bpsk intermediate frequency signals . conventional research on spread spectrum signals is in the case of ideal conditions , such as low code rate , narrow dynamic range , narrow frequency - changing range and so on
  本论文将介绍一种软件模拟硬件的方法来实现pcm - cdma - bpsk中频信号的快捕、跟踪和解调。关于扩频信号的传统的研究是在理想的条件下，比如低码率、窄动态范围、窄频率变化范围等等。