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frequency
['friːkw(ə)nsɪ] ['frikwənsi]

  • n. 频率;频繁

[ 复数 frequencies ]

网络释义专业释义英英释义

短语

frequency spectrum [物] 频谱 ; 频率谱 ; 频谱分析仪

Frequency Analysis [电子] 频率分析 ; 频谱分析 ; 频次分析 ; 频度分析

frequency multiplier [电子] 倍频器 ; [电子] 频率倍增器 ; 倍频器频率倍增器 ; 振荡频率倍增器

frequency compensation [电子] 频率补偿 ; 高频补偿 ; 频率补偿英语

Cutoff Frequency [电子] 截止频率 ; 截频点 ; 截频 ; 截至频率

Frequency Mixer 混频器

pulse frequency 脉率 ; 脉冲重复频率 ; 脉膊率

Letter frequency 字母频率 ; [计] 字母频度

vibration frequency 振动频率 ; 波动频率 ; 频率 ; 震动频率

frequency diversity [通信] 频率分集 ; 频率分隔 ; 频率差异 ; 散频

 更多收起网络短语
  • 频率 - 引用次数:11580

    The frequency calculation is the core of the device.

    其中,频率计算是本装置的核心部分。

    参考来源 - 低频减载装置研究
  • 频率 - 引用次数:2813

    Wavelet analysis is the widely used time-frequency tool.

    小波分析是目前国际上最新的也是应用最广泛的时间-频率分析工具。

    参考来源 - 小波分析在基于内容的图像检索中的应用研究
    频谱分析 - 引用次数:142

    Through vibration frequency spectrum analysis of no-tillage seeder in field, its vibration characteristics were obtained.

    通过对播种机的田间振动频谱分析,得到了它的的振动特征。

    参考来源 - 基于虚拟仪器的农机测试系统的研究及其应用
    频度 - 引用次数:140

    As the frequency and the semantic feature of the words are combined, the quality of clustering is improved.

    词的频度和语义特征相结合后,提高了文本聚类的性能。

    参考来源 - 基于边界距离的文本聚类方法研究
  • 频数 - 引用次数:215

    Methods: A hospital-based frequency matched case-control study was conducted.

    方法:采用以医院为基础的频数匹配病例对照研究方法。

    参考来源 - 2型糖尿病伴发认知功能障碍的危险因素研究
    发生率 - 引用次数:92

    The frequency of symptom and sign in lower limb DVT was 27.5%.3.

    下肢DVT症状和体征发生率为27.5%。

    参考来源 - 肺动脉栓塞症40例临床分析
    (脉搏的)每分钟搏动次数
  • 频次 - 引用次数:37

    In addition, the figures of locust plague frequency of the three subspecies of migratory locusts were drawn on 100-year scale.

    此外,还绘制了历代三大飞蝗灾害发生的百年频次图。

    参考来源 - 历史时期中国蝗灾记录特征及其环境意义集成研究
  • 频域 - 引用次数:195

    Study on the detection of the frequency-shift in both the time domain and the frequency domain is provided in this paper.

    本文从时频域两个方面对移信号的检测进行研究。

    参考来源 - 移频信号检测方法的研究与应用
  • 频域 - 引用次数:49

    The theory coming from classical frequency domain can resolve the problem of robust, but it has a bad performance in multiple I/O systems. So we give the method of the H_∞loop shaping to design the controller.

    经典频域设计理论能够解决系统的鲁棒性问题,却不能很好的应用于多输入多输出系统,因此,本文选用了H_∞回路成形法来设计控制器。

    参考来源 - 四旋翼直升机控制问题研究
  • 效率 - 引用次数:4

    参考来源 - 论我国政府公共危机管理能力
  • 步频 - 引用次数:7

    The step frequency of hurdle race athletes is faster than that of sprint and long jump athletes and there are very significant difference(P<0.01).

    步频上,跨栏运动员快于短跑和跳远运动员,存在非常显著差异(P<0.01)。

    参考来源 - 上海市男子跨栏运动员初选阶段的形态、生理机能与素质特征研究
  • 词频 - 引用次数:31

    Subjects tended to select word that they had learned before. The frequency of word had significant influence on preference, preference effect was larger when the words were high frequency.

    实验一(A)在消极启动情况下对词频与偏好效应的关系进行了测量,实验结果发现,汉语识别中存在偏好效应,被试倾向于选择先前学习过的项目;偏好效应受词频变化的影响,在高频词时有更大的偏好效应。

    参考来源 - 汉语短时识别中的偏好效应
  • 频率
    频数
    频度
    周率
  • 频率
    周率
  • 频率
  • 频率
  • 频率
  • 频率

·2,447,543篇论文数据,部分数据来源于NoteExpress

frequency [ 'frikwənsi ]

  • n.
    • the number of occurrences within a given time period

      "the frequency of modulation was 40 cycles per second"; " the frequency of his seizures increased as he grew older"

      同义词: frequence oftenness

    • the ratio of the number of observations in a statistical category to the total number of observations

      同义词: relative frequency

    • the number of observations in a given statistical category

      同义词: absolute frequency

以上来源于: WordNet

 柯林斯英汉双解大词典 

frequency /ˈfriːkwənsɪ/ CET4 TEM4 ( frequencies )

  • 1. 

    N-UNCOUNT The frequency of an event is the number of times it happens during a particular period. 频率

    例:

    The frequency of Kara's phone calls increased rapidly.

    卡拉打电话的频率迅速增加。

  • 2. 

    N-VAR In physics, the frequency of a sound wave or a radio wave is the number of times it vibrates within a specified period of time. (物理学) 频率

    例:

    You can't hear waves of such a high frequency.

    你听不到这么高频率的声波。

    例:

    ...a frequency of 24 kilohertz.

    …24千赫的频率。

词组短语同近义词同根词

high frequency 高频

low frequency 低频率;低周波

frequency domain [化]频域;频率范围

frequency conversion 频率变换

radio frequency 无线电频率

natural frequency 自然频率,固有频率;本盏率

frequency response 频率响应;录放幅频响应

frequency spectrum 频谱;频率谱

frequency converter 变频器

frequency band 频带;频段

video frequency 视频率

frequency control 频率控制

frequency division 分频;频率划分

frequency range 频率范围

vibration frequency 频率;振动频率;波动频率

frequency modulation 调频

intermediate frequency 中频

frequency division multiplexing 频分复用;分频多路传输

power frequency 电力频率;工业频率

resonance frequency 共振频率;谐振频率;共鸣频率

  更多收起词组短语

词根: frequent

adj.

frequent 频繁的;时常发生的;惯常的

adv.

frequently 频繁地,经常地;时常,屡次

vt.

frequent 常到,常去;时常出入于

双语例句原声例句权威例句

  • Then, what you do is change the frequency.

    然后所做改变频率

    danci.911cha.org

  • You should check all the frequency allocations for your area.

    应该检查所有频率分派区域

    danci.911cha.com

  • Do you have any recommendations about the frequency of meals for people who exercise regularly?

    关于那些经常锻炼,在进食频繁度上任何建议吗?

    bbs.chinadaily.com.cn

更多双语例句
  • Then they use radio frequency energy to heat the tissue around the catheter.

    VOA: special.2010.03.02

  • So, let's say they were expecting to see one certain frequency or one line in the spectrum at this point here.

    比如说他们预计会看到某个特定的频率,或者在这里看到一个谱线。

    麻省理工公开课 - 化学原理课程节选

  • Just remembering that violet is the end that actually has the shortest wavelength, which means that it also has, of course the highest frequency.

    就知道了,所以这应该,不是问题,记住紫色光,最后一个,它的波长最短,也就意味着它的频率最高。

    麻省理工公开课 - 化学原理课程节选

更多原声例句
更多权威例句

词组短语

high frequency 高频

low frequency 低频率;低周波

frequency domain [化]频域;频率范围

frequency conversion 频率变换

radio frequency 无线电频率

natural frequency 自然频率,固有频率;本盏率

frequency response 频率响应;录放幅频响应

frequency spectrum 频谱;频率谱

frequency converter 变频器

frequency band 频带;频段

video frequency 视频率

frequency control 频率控制

frequency division 分频;频率划分

frequency range 频率范围

vibration frequency 频率;振动频率;波动频率

frequency modulation 调频

intermediate frequency 中频

frequency division multiplexing 频分复用;分频多路传输

power frequency 电力频率;工业频率

resonance frequency 共振频率;谐振频率;共鸣频率

  更多收起词组短语
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