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声源定向
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  “声源定向”译为未确定词的双语例句
     DETERMINATION OF BEARINGS OF SOUND SOURCE WITH SOUND PRESSURE GRADIENT BASED ON HIGHER ORDER SPECTRA
     基于高阶谱的声压梯度声源定向
短句来源
     A New Method of Time Delay Estimation Based on Second Correlation
     基于二次相关水下声源定向(时延)研究
短句来源
     The effect of binaural hearing aids was more effective that of uniaural hearing aids Conclusion Not only can binqural hearing aids significantly improve distinguishable ability of speech, but also obviously raise directional capacity of sound.
     双耳助听效果显著优于单耳。 结论双耳助听不仅可显著改善言语分辨能力,而且可使声源定向能力亦获显著改善。
短句来源
     In order to verify the validity for signal phase matching principle, the experiments of DOA (Direction of Arrival) estimation are carried out at reservoir by using 16-sensor array.
     为了验证信号相位匹配原理的正确性,利用自制的16元线列阵,在水库进行了声源定向实验研究。
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  相似匹配句对
     Research on Passive Localization Technique of Underwater Sound Source
     水下声源被动定向技术研究
短句来源
     S technique should be adopted predominatingly.
     S定向工艺。
短句来源
     Research on Signal Detection and Bearing Estimation of Underwater Sound Source
     关于水中声源的信号检测与定向研究
短句来源
     Oriented Crystallization in Glass-Ceramic
     微晶玻璃的定向晶化
短句来源
     STUDIES OF THE HUMAN VOICE SOURCE
     嗓音声源研究
短句来源
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Psycho-physiological studies on human subjects were carried out in highmountains at an altitude of 4,000 m. above sea level. The tests employedwere: (1) visual functions (color discrimination, depth perception and criticalflicker frequency), (2)auditory functions (auditory threshold, auditory fatigue,intensity discrimination and sound localization); (3)attention steadiness; (4)memory and association; (5) four fundamental operations; (6) hand-footcoordination and reaction time;(7) pursuit movement and motor skill....

Psycho-physiological studies on human subjects were carried out in highmountains at an altitude of 4,000 m. above sea level. The tests employedwere: (1) visual functions (color discrimination, depth perception and criticalflicker frequency), (2)auditory functions (auditory threshold, auditory fatigue,intensity discrimination and sound localization); (3)attention steadiness; (4)memory and association; (5) four fundamental operations; (6) hand-footcoordination and reaction time;(7) pursuit movement and motor skill. Theresults show that some of these mental functions seemed somewhat changedunder hypoxia. In general, there were no apparent effects of hypoxia on brainfunctions and mental Performances in high mountains at an altitude of 4,000m. above sea level.

本文报告了海拔4,000米左右低氧对脑功能的影响,并观察了高原现场驾驶汽车劳动6小时后脑功能的变化。所用测试指标如下:视觉机能(颜色分辨、深度觉、视觉疲劳和视觉注意稳定性等测验);听觉机能(听阈测验、听觉疲劳、声音强度辨别阈和声源定向等测定);记忆联想和演算能力测定;反应时和手脚协同活动反应;驾驶追踪动作和汽车穿桩实验等多种综合指标。结果表明,一些指标有影响,另一些指标没有影响。总的看来,海拔4,000米左右的高原现场对人的感觉机能和脑功能没有明显的影响。

The auditory localization for low frequency sound level difference effect is discussed in this paper. The result shows that, the low frequency sound level differencd effects the auditory angular localization of sound source for near-distance; and it also is the other factor of depth location besides the signal of reverberation ratio.

文中探论了低频声级差在听觉定位中所起的作用.从研究的结果表明:在近距的听觉定位中,低频声级差对声源的定向起了一定的作用;并且也是深度定位中除信号混响比外的另一个因素.

The afferent projections of superior olivary superior (SO) in Carduelis spinus have been investigated by using anterograde and retrograde HRP tracking techniques. After HRP was iontohoreticall delivered into the SO, retrogradely labelled neurons were observed in the bilateral nucleus angularis (NA) and the ipsilateral nucleus laminaris (NL), anterogradely labelled fibers and terminals were concentrated in the ipsilateral nucleus magnocellularis (NM), and the contralateral nucleus lemnisci lateralis, pars ven...

The afferent projections of superior olivary superior (SO) in Carduelis spinus have been investigated by using anterograde and retrograde HRP tracking techniques. After HRP was iontohoreticall delivered into the SO, retrogradely labelled neurons were observed in the bilateral nucleus angularis (NA) and the ipsilateral nucleus laminaris (NL), anterogradely labelled fibers and terminals were concentrated in the ipsilateral nucleus magnocellularis (NM), and the contralateral nucleus lemnisci lateralis, pars ven tralis (LLv), nucleus ventralis lemnisci lateralis (VLV) and dorsolaterally of nucleus mesencephalicus lateralis, pars dorsalis (MLd). And there are some retrogradely labeled neurous and anterograde labeled terminals in the contralateral SO. In addition, after injecting HRP into the NL and the NA respectively, anterogradely labeled fibers and terminals were found in the SO. After injecting HRP into the NM, retrogradely labeled neurous were observod in the SO. The results indicate that the SO receives projections from the ipsilateral NL and from the bilateral NA. There are some reciprocal projections between the left and right SO. The SO projects to the LLv, to the VLV, and to the MLd, The results indicate that the SO is the secoud neuron relay station of the auditory pathway in brain. Besides, the SO projects to the NM and forms the close circuit of NM-to-NL-to-SO-to-NM. The results suggest that the neural circuit may be involved in the integration functions of audition and sound loclization.

分别将HRP微电泳入黄雀的上橄榄核(SO)、角状核、层状核和巨细胞核,观察其顺、逆行标记物的分布.结果表明,SO接受同侧层状标和双侧角状核的传入,双侧SO之间有交互投射,SO的纤维投射至外侧丘系核腹侧部、外侧丘系腹核和中脑背外侧核.因此,它属于听觉传入通路中的第二级中继站.此外,SO向巨细胞核投射并形成巨细胞核→层状核→SO→巨细胞核的闭合环路.此环路可能参与听觉信息的反馈及声源定向等的初步整合机能.

 
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