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CAS IR Grid
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自动化研究所 [3]
长春光学精密机械与物... [1]
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OAI收割 [4]
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学位论文 [3]
会议论文 [1]
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2010 [2]
2008 [1]
2007 [1]
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计算听觉场景分析中层表达与组织策略研究
学位论文
OAI收割
工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2010
作者:
张学良
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浏览/下载:47/0
  |  
提交时间:2015/09/02
语音分离
计算听觉场景分析
多基音跟踪
动态谐波函数
Speech Separation
Computational Auditory Scene Analysis
Multi-pitch Tracking
Dynamic Harmonic Function
Gimbal displacement error analysis on an electro-optical seeker (EI CONFERENCE)
会议论文
OAI收割
Optical Design and Testing IV, October 18, 2010 - October 20, 2010, Beijing, China
作者:
Zhang X.
;
Zhang X.
;
Zhang X.
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浏览/下载:35/0
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提交时间:2013/03/25
It is essential to analyze the gimbal displacement errors for a seeker due to the importance for cueing of targets and tracking for the final approach. Otherwise
for a seeker electro-driven with a concentric glass dome
the large errors will decrease the picking
pointing
and tracking precision rooted from the displacement errors existing between the rotation center of the optical system and the gimbal. And the gimbaled camera system displacement errors are never eliminated but reduced due to the geometric errors consists of geometric tolerances of gimbal structure
manufacture
installation and vibration coming from working environment. In this paper
the gimbal displacement errors in an electro-optically stabilized platform resulting from geometric errors and environment errors were analyzed and shown in detail. The mathematical modal of the gimbal displacement errors created based on multi-body dynamics demonstrated the connection between the gimbal displacement errors and the stabilized platform. Taking a visible light image seeker as a case
the diameter is 120mm
and the geometric tolerances came from the values of primary design and the vibration data came from the environmental vibration test on the pitch-yaw seeker
and at the same time
the errors resulting from installation were considered too. Based on calculating
the maximum gimbal displacement error will reach to 0.2mm for pitching angle smaller than 40 and yawing angle smaller than 60. However
the critical parts have been found out according to the probability theory and the reliability analysis successfully used in the paper
and finally
the maximum gimbal displacement error reduced to 0.1mm
which is acceptable corresponding to the picking
pointing and tracking precision for an optical imaging seeker. 2010 Copyright SPIE - The International Society for Optical Engineering.
基于计算听觉场景分析和语者模型的语音分离研究
学位论文
OAI收割
工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2008
作者:
关勇
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浏览/下载:61/0
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提交时间:2015/09/02
语音分离
计算听觉场景分析
多基音跟踪
谐波建模
语者识别
实值掩码
Speech Separation
Computational Auditory Scene Analysis
Multi-pitch Tracking
Harmonics Modeling
Speaker Recognition
Real Mask
基于计算听觉场景分析的单声道混合语音分离研究
学位论文
OAI收割
工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2007
作者:
李鹏
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浏览/下载:65/0
  |  
提交时间:2015/09/02
单声道语音分离
计算听觉场景分析
二值掩蔽
语音客观质量评估
多基音跟踪
因子最大矢量量化
Monaural Speech Separation
Computational Auditory Scene Analysis
Binary Mask
Objective Quality Assessment of Speech
Multi-pitch Tracking
Factorial-Max Vector Quantization