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response to frequency
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  频响
     This article analyzes the observational data of FSQ Tiltmeter and JB Tiltmeter of HuaiBei station,makes a comparison between them combined with Rain-fall and fault ratio and concludes that FSQ Instrument’s long-term stability excels JB Instrument and they differ in the characteristics of response to frequency.
     本文分析了淮北台FSQ仪和JB仪的观测数据,结合降雨资料和故障率进行对比,得到前者的长期稳定性以及观测资料内在质量优于后者,频响特性有所不同,故障率高于JB仪。
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  “response to frequency”译为未确定词的双语例句
     This paper givcs the fast and slow transient models of the stator winding of large turbine-generator, describes a method of measuring of the paramcters of the stator winding and measures those parameters in response to frequency.
     首次提出了大型发电机定子绕组的高频和低频暂态模型; 提出了测量管态模型参数的方法,并实测了模型中参数的频率特性;
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  相似匹配句对
     evaluation and response;
     评价与反馈;
短句来源
     The Challenge and Response
     挑战与回应——全球化背景下公共行政变革的生态学解析
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     Frequency Response
     频率响应
短句来源
     Olfactory response of D.
     此外,被害蚕豆叶片中D对。
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     Response with B was similar to C.
     B和C组有效率相似。
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  response to frequency
The number of spikes and the pattern and duration of the unit discharges in response to frequency modulation in different directions were shown to depend on the depth and rate of modulation.
      
Abundance of grasshoppers did not vary in response to frequency of prescribed burns at the site.
      
Collagen synthesis of articular cartilage explants in response to frequency of cyclic mechanical loading
      
Response to frequency shifted artificial echoes in the batRhinolophus ferrumequinum
      
Growth of lucerne (Medicago sativa, L.) in response to frequency of irrigation and gypsum application on a heavy clay soil
      
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89 units in primary auditory cortex were studied with microelectrodes in anaesthetized and paralyzed cats, their tuning curves were classified into 4 types: wide range(type I, 44 units), intermediate range(type Ⅱ, 21), narrow range(type Ⅲ, 19) and no tuning curve (type Ⅳ, 5). The distribution of these types of neurons in different layers of the cortex was of no statistical significance. The proportion of units which could be activated both by click and by white noise in type Ⅰ was significantly different from...

89 units in primary auditory cortex were studied with microelectrodes in anaesthetized and paralyzed cats, their tuning curves were classified into 4 types: wide range(type I, 44 units), intermediate range(type Ⅱ, 21), narrow range(type Ⅲ, 19) and no tuning curve (type Ⅳ, 5). The distribution of these types of neurons in different layers of the cortex was of no statistical significance. The proportion of units which could be activated both by click and by white noise in type Ⅰ was significantly different from that in type Ⅱ and type Ⅲ (p<0.05). There was statistically significant difference between proportions in type Ⅰ and Ⅲ units driven by white noise regardless of their response to click (p<0.05), but no significant difference between type Ⅰ and Ⅱ. As to click, no difference was observed in response among type Ⅰ, Ⅱ and Ⅲ units.The best frequency of most tuning curves was scattered between 8-20kHz. Threshold of units with best frequency below 8kHz tended to be higher than that of the high-frequency units. Since recordings were usually done in the anterior part of Al, it was reasonable to expect responses mostly from units with its best frequency in the high-frequency range.By modulating the frequency of a continuous pure tone from f to f±⊿f with a square wave we could get facilitation or depression of response from cells in Al. The great majority of depressive responses occurred at or above threshold intensity, while about 1/2 facilitatory responses occured at subthreshold level, a difference of very great significance (p<0.001).Some cortical neurons were characterized by a non-monotonic relationship between response and sound intensity. Increase in sound intensity often caused changeover from facilitation to depression.The specific sensitivity of cortical neurons to the direction of frequency modulation was tested. No neuron was found responding exclusively to increase or decrease of frequency, nor was their preferred direction pointing exclusively to the best frequency of their tuning curve. It was observed that in different frequency range there was different preferred direction.We have not observed any significant correlation between responses to frequency-modulated sounds (facilitation or depression, preferred direction to changes in frequency) and simple sounds, which suggests that it is difficult to predict the response of cortical neurons to complex sounds from their behavior under simple sound stimulation.

本文报道了在麻醉和麻痹的猫上用微电极记录到的原发听皮层神经单位对简单声和调频声的反应。从89个单位测得的调谐曲线可分为四类:宽型、段型、点型及无调谐曲线型(对恒定的纯音不起反应)。前三型单位在皮层的垂直分布上没有差异。对皮层单位调谐曲线的类型和它们对白噪声及短声反应之间的关系,文中作了统计分析。纯音的调频(f±⊿f,调制信号为方波)可以在不同的皮层单位分别引起易化或压抑反应,这二种反应的产生和调频声的强度有关。皮层细胞对调频声的反应与声强度之间存在非单调性的关系。皮层细胞对调频声的反应与频率变化的方向也有关,但在不同的频段,反应的方向敏感性是不同的.未观察到只对频率增加或只对频率减少起反应的神经单位,也未发现在不同频段中调频的反应敏感方向都指向最佳频率。

After exposure either to a steady intensive noise (white noise, repetitive clicks, or narrow band noise, all of 110 dB SPL and 15 minute duration) or to impulse noise (300 impulses of 150 dB peak SPL and 50 ms impulse duretion) amplitudes of the evoked potentials recorded from the primary auditory cortex of guinea pigs in response to frequency modulation of pure tones were found to be systematically augmented while the response thresholds (△Fm) markedly lowered for most carrier frequencies and in...

After exposure either to a steady intensive noise (white noise, repetitive clicks, or narrow band noise, all of 110 dB SPL and 15 minute duration) or to impulse noise (300 impulses of 150 dB peak SPL and 50 ms impulse duretion) amplitudes of the evoked potentials recorded from the primary auditory cortex of guinea pigs in response to frequency modulation of pure tones were found to be systematically augmented while the response thresholds (△Fm) markedly lowered for most carrier frequencies and in most conditions. For all threshold lowering cases, the averaged AFm shift was about 1/2 of their pre-exposure values, with some extreme examples where post-exposure △Fm could be as small as only 1/5 of the pre-exposure ones or even lower. Post-exposure amplitude augmentation of evoked responses can be considered as a sign of certain cortical facilitation induced by noise. Lowering of △Fm tends to suggest that such cortical facilitation implies some temporary functional change in the sense of improving auditory discrimination.

在强噪声暴露后豚鼠听皮层对纯音调频的诱发电位振幅增大,对多数载波频率及在多数情况下调频诱发反应阈(△F_m)则明显地降低。以反应阈降低的全部数据计算,暴露后△F_m平均约降至暴露前的一半,在少数例子中降至暴露前的1/5,甚至更低。噪声暴露后诱发电位振幅的增大可以认为是由噪声引起的皮层活动某种易化的表现△F_m的降低则倾向于提示,此种皮层易化反映暂时的功能变化,它使听觉分辨暂时得到改善。

This paper givcs the fast and slow transient models of the stator winding of large turbine-generator, describes a method of measuring of the paramcters of the stator winding and measures those parameters in response to frequency. The voltage distribution and waves among stator winding exposed to surger voltage were analogized, measured and calculated (us ing the EMTP). The corrclation betweem the calculated results and the measured results is very good.

首次提出了大型发电机定子绕组的高频和低频暂态模型;提出了测量管态模型参数的方法,并实测了模型中参数的频率特性;模拟并实测了电机定子绕组冲击过电压分布及其波形;最后用EMTP程序计算了电机定子绕组的过电压分布及其波形.实测结果和计算结果非常吻合.

 
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