语音信号处理、3D听觉技术、深度学习在语音信号处理中的应用

081002-信号与信息处理
070206-声学

语音信号处理、3D听觉技术、深度学习在语音信号处理中的应用

   

2009-10~现在, 中国科学院声学研究所, 研究员

2014-07-01-今,IEICE Trans. Fundamental , Editor
2014-01-01-今,Speech Communication, Subject Editor
2009-06-01-今,Journal of Recent Patents on Signal Processing, 编委

语音信号处理

   

（1） 基于麦克风阵列和后滤波技术的噪声处理技术研究, 一等奖, 其他, 2012
（2） 助听器双耳语音增强技术, 一等奖, 其他, 2007
（3） 两输入-两输出语音增强技术, 一等奖, 其他, 2006

[1] 李军锋, 李煦, 颜永红. 一种基于性别融合信息的语音降噪方法. CN: CN108573698B, 2021-06-08.

[2] 李军锋, 顾建军, 颜永红. 一种残余回声及噪声消除方法及装置. CN: CN112863535A, 2021-05-28.

[3] 李军锋, 孙兴伟, 颜永红. 混响语音的混响抑制方法及装置. CN: CN112687284A, 2021-04-20.

[4] 李军锋, 孙兴伟, 夏日升, 颜永红. 一种基于深度学习的双耳语音增强方法. CN: CN109448751B, 2021-03-23.

[5] 李军锋, 高飞, 颜永红. 一种提升远场语音识别的前端处理方法和系统. CN: CN109523999B, 2021-03-23.

[6] 李军锋, 尹路, 颜永红. 一种基于深度学习的多人语音分离方法. CN: CN109584903B, 2021-02-12.

[7] 夏日升, 姚鼎鼎, 李军锋, 颜永红. 一种声源高度角控制方法和系统. CN: CN109637550B, 2020-11-24.

[8] 栾书明, 李军锋, 颜永红. 一种声学回波消除与去混响方法及装置. CN: CN111768796A, 2020-10-13.

[9] 李军锋, 宋思远, 颜永红. 一种多通道远场语音增强方法. CN: CN111081267A, 2020-04-28.

[10] 李军锋, 李煦, 颜永红. 一种无监督单传声器语音降噪方法及系统. CN: CN108574911B, 2019-10-22.

[11] 李军锋, 孙兴伟, 杨磊, 王立众, 夏日升. 一种5-2通道音频转换优化方法. CN: CN107968984B, 2019-08-20.

[12] 李军锋, 李煦, 颜永红. 一种基于NMF算法的单传声器语音分离方法. CN: CN108573711A, 2018-09-25.

[13] 何赛娟, 陈扬坤, 陈展. 一种声源定位方法及装置. CN: CN108231085A, 2018-06-29.

[14] 应冬文, 李军锋, 冯永强, 潘接林, 颜永红. 一种基于支配相关的多稀疏声源定位方法. CN: CN105403860B, 2017-10-31.

[15] 夏日升, 李军锋, 颜永红. 一种串声消除滤波器的生成方法及三维声音重放方法. CN: CN105792075B, 2017-10-03.

[16] 李军锋, 房倩倩, 夏日升, 颜永红. 基于人耳听觉特性的音频重放系统均衡方法. CN: CN106559722A, 2017-04-05.

[17] 李军锋, 夏日升, 颜永红. 一种房间混响合成方法. CN: CN104703111A, 2015-06-10.

[18] 应冬文, 颜永红, 付强, 潘接林, 李军锋. 一种噪声功率谱估计与语音活动性检测方法. CN: CN102800322A, 2012-11-28.

[19] 李军锋, 李娟, 付强, 颜永红. 一种三维声场合成中的距离感合成方法. CN: CN102790931A, 2012-11-21.

[20] 李军锋, 夏日升, 付强, 颜永红. 一种基于耳机的虚拟3D重放方法. CN: CN102665156A, 2012-09-12.

[21] 颜永红, 周瑜, 孙艳庆, 李军锋. 一种用于语音情感识别的语音情感特征提取方法. CN: CN101930733A, 2010-12-29.

   

[1] Cheng, Longbiao, Sun, Xingwei, Yao, Dingding, Li, Junfeng, Yan, Yonghong. Estimation Reliability Function Assisted Sound Source Localization With Enhanced Steering Vector Phase Difference. IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING[J]. 2021, 29: 421-435, http://dx.doi.org/10.1109/TASLP.2020.3043107.
[2] 李军锋. 结合卷积神经网络与混响时间注意力机制的混响抑制. 声学学报. 2021, [3] Li, Junfeng, Wu, Biao, Yao, Dingding, Yan, Yonghong. A mixed-order modeling approach for head-related transfer function in the spherical harmonic domain. APPLIED ACOUSTICS[J]. 2021, 176: http://dx.doi.org/10.1016/j.apacoust.2020.107828.
[4] Song, Siyuan, Cheng, Longbiao, Luan, Shuming, Yao, Dingding, Li, Junfeng, Yan, Yonghong. An integrated multi-channel approach for joint noise reduction and dereverberation. APPLIED ACOUSTICS[J]. 2021, 171: http://dx.doi.org/10.1016/j.apacoust.2020.107526.
[5] Cheng, Longbiao, Li, Junfeng, Yan, Yonghong. FSCNet: Feature-Specific Convolution Neural Network for Real-Time Speech Enhancement. IEEE SIGNAL PROCESSING LETTERS[J]. 2021, 28: 1958-1962, http://dx.doi.org/10.1109/LSP.2021.3113604.
[6] Yao, Dingding, Xu, Huaxing, Li, Junfeng, Xia, Risheng, Yan, Yonghong. Binaural rendering technology over loudspeakers and headphones. ACOUSTICAL SCIENCE AND TECHNOLOGYnull. 2020, 41(1): 134-141, [7] Junfeng Li. Improving generative adversarial networks for speech enhancement through regularization of latent representation. Speech Communication. 2020, [8] Yang, Fan, Wang, Ziteng, Li, Junfeng, Xia, Risheng, Yan, Yonghong. Improving generative adversarial networks for speech enhancement through regularization of latent representations. SPEECH COMMUNICATION[J]. 2020, 118: 1-9, http://dx.doi.org/10.1016/j.specom.2020.02.001.
[9] 王子腾, 孙兴伟, 李军锋, 颜永红. 近似窄带假设下的最小方差无失真响应波束形成. 声学学报[J]. 2020, 45(2): 161-168, http://lib.cqvip.com/Qikan/Article/Detail?id=7101812229.
[10] Junfeng Li. The role of specral cues in vertical plane elevation perception. Acoustical Science and Technology. 2020, [11] 栾书明, 程龙彪, 孙兴伟, 李军锋, 颜永红. 基于深度学习的两阶段联合声学回波和混响抑制技术. 信号处理[J]. 2020, 36(6): 948-957, http://lib.cqvip.com/Qikan/Article/Detail?id=7102246945.
[12] Yin, Lu, Li, Junfeng, Yan, Yonghong, Akagi, Masato. A Two-Stage Phase-Aware Approach for Monaural Multi-Talker Speech Separation. IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS[J]. 2020, E103D(7): 1732-1743, https://www.webofscience.com/wos/woscc/full-record/WOS:000545550500024.
[13] Sun, Xingwei, Gao, ZeFeng, Lu, ZhongYi, Li, Junfeng, Yan, Yonghong. A Model Compression Method With Matrix Product Operators for Speech Enhancement. IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING[J]. 2020, 28: 2837-2847, https://www.webofscience.com/wos/woscc/full-record/WOS:000587670500002.
[14] Yao, Dingding, Li, Junfeng, Xu, Huaxing, Xia, Risheng, Yan, Yonghong, IEEE. A SUBBAND ENERGY MODIFICATION METHOD FOR ELEVATION CONTROL IN MEDIAN PLANE. 2019 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP)null. 2019, 586-590, [15] 高飞, 黄哲莹, 王子腾, 李军锋, 颜永红. 早晚期混响划分对理想比值掩蔽在语音识别性能上的影响. 声学学报[J]. 2019, 44(4): 788-795, [16] Sun, Xingwei, Xia, Risheng, Li, Junfeng, Yan, Yonghong, IEEE. A DEEP LEARNING BASED BINAURAL SPEECH ENHANCEMENT APPROACH WITH SPATIAL CUES PRESERVATION. 2019 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP)null. 2019, 5766-5770, [17] Yao, Dingding, Li, Junfeng, Xia, Risheng. A parametric elevation control approach for binaural reproduction. APPLIED ACOUSTICS[J]. 2019, 148: 360-365, http://dx.doi.org/10.1016/j.apacoust.2018.12.036.
[18] Ziteng Wang, Junfeng Li, Yonghong Yan. Target Speaker Localization Based on the Complex Watson Mixture Model and Time-Frequency Selection Neural Network. Applied Sciences[J]. 2018, 8(11): https://doaj.org/article/fdcda42983ec4c19ae2756d41e3b458f.
[19] 李军锋, 徐华兴, 夏日升, 颜永红. 基于听觉感知特性的双耳音频处理技术. 应用声学[J]. 2018, 37(5): 706-716, http://lib.cqvip.com/Qikan/Article/Detail?id=7000828997.
[20] Li, Yongwei, Li, Junfeng, Akagi, Masato. Contributions of the glottal source and vocal tract cues to emotional vowel perception in the valence-arousal space. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA[J]. 2018, 144(2): 908-916, https://www.webofscience.com/wos/woscc/full-record/WOS:000443620700045.
[21] Wang, Ziteng, Li, Junfeng, Yan, Yonghong. Target Speaker Localization Based on the Complex Watson Mixture Model and Time-Frequency Selection Neural Network. APPLIED SCIENCES-BASEL[J]. 2018, 8(11): https://doaj.org/article/fdcda42983ec4c19ae2756d41e3b458f.
[22] Xu Huaxing, Wang Qia, Xia Risheng, Li Junfeng, Yan Yonghong. A Stochastic Approximation Method with Enhanced Robustness for Crosstalk Cancellation. CHINESE JOURNAL OF ELECTRONICS[J]. 2017, 26(6): 1269-1275, https://www.webofscience.com/wos/woscc/full-record/WOS:000415662500023.
[23] Xu, Huaxing, Xia, Risheng, Li, Junfeng, Yan, Yonghong. An improved free-field cross-talk cancellation method based on the spherical head model. APPLIED ACOUSTICS[J]. 2017, 123: 47-54, http://dx.doi.org/10.1016/j.apacoust.2017.03.003.
[24] Ying, Dongwen, Zhou, Ruohua, Li, Junfeng, Yan, Yonghong. Window-Dominant Signal Subspace Methods for Multiple Short-Term Speech Source Localization. IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING[J]. 2017, 25(4): 731-744, http://dx.doi.org/10.1109/TASLP.2016.2625458.
[25] 房倩倩, 姚鼎鼎, 李军锋, 夏日升. 基于人耳听觉特性的房间冲激响应多点均衡. 声学技术[J]. 2017, 36(2): 152-156, [26] Junfeng Li. Window-domain signal processing methods for multiple short-term speech source localization. IEEE/ACM Trans. on Audio, Speech and Language Processing. 2017, [27] 许春冬, 张震, 战鸽, 应冬文, 李军锋, 颜永红. 面向语音增强的约束序贯高斯混合模型噪声功率谱估计. 声学学报[J]. 2017, 633-640, [28] Junfeng Li. Investigation on advanced audio algorithms architecture for portable devices. The Journal of Audio Engineering Society. 2016, [29] Li Junfeng, Xia Risheng, Fang Qiang, Li Aijun, Yan Yonghong, Lee T, Xie L, Dang J, Wang HM, Wei J, Feng H, Hou Q, Wei Y. Speech Intelligibility Enhancement in Noisy Reverberant Conditions. 2016 10TH INTERNATIONAL SYMPOSIUM ON CHINESE SPOKEN LANGUAGE PROCESSING (ISCSLP)null. 2016, http://apps.webofknowledge.com/CitedFullRecord.do?product=UA&colName=WOS&SID=5CCFccWmJJRAuMzNPjj&search_mode=CitedFullRecord&isickref=WOS:000405610900135.
[30] Trevino, Jorge, Sakamoto, Shuichi, Li, Junfeng, Suzuki, Yoiti. Enhancing Stereo Signals with High-Order Ambisonics Spatial Information. IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS[J]. 2016, E99D(1): 41-49, https://www.webofscience.com/wos/woscc/full-record/WOS:000370390100007.
[31] Xu Huaxing, Xia Risheng, Li Junfeng, Yan Yonghong, Rajmic P, Rund F, Schimmel J. A ROBUST STOCHASTIC APPROXIMATION METHOD FOR CROSSTALK CANCELLATION. DAFX 16: 19TH INTERNATIONAL CONFERENCE ON DIGITAL AUDIO EFFECTSnull. 2016, 93-98, [32] Hu, Shichao, Trevino, Jorge, Salvador, Cesar, Sakamoto, Shuichi, Li, Junfeng, Suzuki, Yoiti. A local representation of the head-related transfer function. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA[J]. 2016, 140(3): EL285-EL290, https://www.webofscience.com/wos/woscc/full-record/WOS:000386932500012.
[33] Cecchi, Stefania, Virgulti, Marco, Primavera, Andrea, Piazza, Francesco, Bettarelli, Ferruccio, Li, Junfeng. Investigation on Audio Algorithms Architecture for Stereo Portable Devices. JOURNAL OF THE AUDIO ENGINEERING SOCIETY[J]. 2016, 64(1-2): 75-88, https://www.webofscience.com/wos/woscc/full-record/WOS:000371103500007.
[34] 徐华兴, 夏日升, 李军锋, 颜永红. 一种基于物理特性和感知特性的混响模拟方法. 中国科学. 信息科学[J]. 2015, 45(6): 817-826, [35] 许春冬, 王晶, 战鸽, 应冬文, 李军锋, 颜永红. 基于功率谱包络动态分割的鲁棒语音端点检测. 北京理工大学学报[J]. 2015, 35(11): 1189-1193, [36] Junfeng Li. A spatial extraction method to derive high-order ambisonics data from Stereo sources. Journal of Information Hiding and Multimedia Signal Processing. 2015, [37] Junfeng Li. Effect of the division of early and late reflections on intelligibility of reverberant noisy speech with binary masking. The Journal of the Acoustical Society of America. 2015, [38] Xia, Risheng, Li, Junfeng, Primavera, Andrea, Cecchi, Stefania, Suzuki, Yoiti, Yan, Yonghong. A Hybrid Approach for Reverberation Simulation. IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES[J]. 2015, E98A(10): 2101-2108, http://159.226.59.140/handle/311008/2622.
[39] Li, Junfeng, Xia, Risheng, Fang, Qiang, Li, Aijun, Pan, Jielin, Yan, Yonghong. Effect of the division between early and late reflections on intelligibility of ideal binary-masked speech. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA[J]. 2015, 137(5): 2801-2810, https://www.webofscience.com/wos/woscc/full-record/WOS:000354962900033.
[40] 许春冬, 李军锋, 裘嫄, 夏日升, 颜永红. 两扬声器配置下的串声消除系统参数优化设置. 计算机应用[J]. 2014, 34(5): 1503-1506,1525, http://lib.cqvip.com/Qikan/Article/Detail?id=49448871.
[41] Li, Junfeng, Xia, Risheng, Ying, Dongwen, Yan, Yonghong, Akagi, Masato. Investigation of objective measures for intelligibility prediction of noise-reduced speech for Chinese, Japanese, and English. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA[J]. 2014, 136(6): 3301-3312, https://www.webofscience.com/wos/woscc/full-record/WOS:000345976500043.
[42] ThanhDuc Chau, Li, Junfeng, Akagi, Masato. Binaural Sound Source Localization in Noisy Reverberant Environments Based on Equalization-Cancellation Theory. IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES[J]. 2014, E97A(10): 2011-2020, https://www.webofscience.com/wos/woscc/full-record/WOS:000342784000001.
[43] 许春冬, 夏日升, 应冬文, 李军锋. 面向语音增强的序贯隐马尔可夫模型时频语音存在概率估计. 声学学报[J]. 2014, 39(5): 647-654, [44] Junfeng Li. A sound image externalization approach for headphone reproduction by simulating binaural room impulse response. Chinese Journal of Electronics. 2014, [45] Xia Risheng, Li Junfeng, Xu Chundong, Yan Yonghong. A Sound Image Externalization Approach for Headphone Reproduction by Simulating Binaural Room Impulse Responses. CHINESE JOURNAL OF ELECTRONICS[J]. 2014, 23(3): 527-532, https://www.webofscience.com/wos/woscc/full-record/WOS:000339089800018.
[46] Li Junfeng, Xia Risheng, Ying Dongwen, Yan Yonghong, Akagi Masato. Investigation of objective measures for intelligibility prediction of noise-reduced speech for Chinese, Japanese, and English.. The Journal of the Acoustical Society of America. 2014, [47] XIA Risheng, LI Junfeng, XU Chundong, YAN Yonghong. A Sound Image Externalization Approach for Headphone Reproduction by Simulating Binaural Room Impulse Responses. 电子学报：英文版. 2014, 23(3): 527-532, http://lib.cqvip.com/Qikan/Article/Detail?id=662196314.
[48] Primavera, Andrea, Cecchi, Stefania, Li, Junfeng, Piazza, Francesco. Objective and Subjective Investigation on a Novel Method for Digital Reverberator Parameters Estimation. IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING[J]. 2014, 22(2): 441-452, https://www.webofscience.com/wos/woscc/full-record/WOS:000332614900014.
[49] 颜永红, 李军锋, 应冬文. 语音中元音和辅音的听觉感知研究. 应用声学[J]. 2013, 32(3): 231-236, [50] Li, Kai, Guo, Yanmeng, Fu, Qiang, Li, Junfeng, Yan, Yonghong. Two-Microphone Noise Reduction Using Spatial Information-Based Spectral Amplitude Estimation. IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS[J]. 2012, E95D(5): 1454-1464, [51] Zhou, Yu, Suo, Hongbin, Li, Junfeng, Yan, Yonghong. Harmonic Structure Features for Robust Speaker Diarization. ETRI JOURNAL[J]. 2012, 34(4): 583-590, https://www.webofscience.com/wos/woscc/full-record/WOS:000307423400012.
[52] Li, Junfeng, Yang, Lin, Zhang, Jianping, Yan, Yonghong, Hu, Yi, Akagi, Masato, Loizou, Philipos C. Comparative intelligibility investigation of single-channel noise-reduction algorithms for Chinese, Japanese, and English. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA[J]. 2011, 129(5): 3291-3301, https://www.webofscience.com/wos/woscc/full-record/WOS:000290450400061.
[53] Li, Junfeng, Sakamoto, Shuichi, Hongo, Satoshi, Akagi, Masato, Suzuki, Yoiti. Two-stage binaural speech enhancement with Wiener filter for high-quality speech communication. SPEECH COMMUNICATION[J]. 2011, 53(5): 677-689, http://dx.doi.org/10.1016/j.specom.2010.04.009.
[54] Junfeng Li. Integrating meaningful signal extraction for intelligent binaural speech enhancement. Journal of Signal Processing. 2011, [55] Zhou, Yu, Li, Junfeng, Sun, Yanqing, Zhang, Jianping, Yan, Yonghong, Akagi, Masato. A Hybrid Speech Emotion Recognition System Based on Spectral and Prosodic Features. IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS[J]. 2010, E93D(10): 2813-2821, http://159.226.59.140:8080/handle/311008/1870.
[56] Li, Junfeng, Akagi, Masato, Suzuki, Yoiti. A two-microphone noise reduction method in highly non-stationary multiple-noise-source environments. IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES[J]. 2008, E91A(6): 1337-1346, https://www.webofscience.com/wos/woscc/full-record/WOS:000256862800006.
[57] Li, Junfeng, Akagi, Masato. A hybrid microphone array post-filter in a diffuse noise field. APPLIED ACOUSTICS[J]. 2008, 69(6): 546-557, http://dx.doi.org/10.1016/j.apacoust.2007.01.005.
[58] Li, Junfeng, Sakamoto, Shuichi, Hongo, Satoshi, Akagi, Masato, Suzuki, Yoiti. Adaptive beta-order generalized spectral subtraction for speech enhancement. SIGNAL PROCESSING[J]. 2008, 88(11): 2764-2776, https://www.webofscience.com/wos/woscc/full-record/WOS:000258813800016.
[59] Li, JF, Akagi, M. A noise reduction system based on hybrid noise estimation technique and post-filtering in arbitrary noise environments. SPEECH COMMUNICATION[J]. 2006, 48(2): 111-126, http://dx.doi.org/10.1016/j.specom.2005.06.013.
[60] Junfeng Li, Masato Akagi. Noise reduction method based on generalized subtractive beamformer. Maruzen Company Ltd. http://oa.las.ac.cn/oainone/service/browseall/read1?ptype=JA&workid=JA201912080715562ZK.

（1） Noise Reduction Based on Microphone Array and Post-Filtering, Noise Reduction Based on Microphone Array and Post-Filtering, VDM Publishing House Ltd., 2010-06, 第 1 作者

（ 1 ） 双耳语音可懂度增强技术研究, 主持, 国家级, 2011-01--2013-12
（ 2 ） 面向下一代互联网的超临场感声通信应用研究, 参与, 国家级, 2011-08--2016-07
（ 3 ） 语音听感知及其应用研究, 主持, 部委级, 2010-08--2014-12
（ 4 ） 互联网环境中文言语信息处理与深度计算的基础理论和方法, 主持, 国家级, 2013-01--2017-12
（ 5 ） 移动终端三维声场技术, 参与, 国家级, 2015-01--2017-12
（ 6 ） 混响环境下双耳声源定位的研究及应用, 参与, 国家级, 2017-01--2020-12
（ 7 ） 多语言语音可懂度增强, 主持, 国家级, 2018-01--2020-12
（ 8 ） 三维声场的高精度听觉呈现, 主持, 国家级, 2017-01--2019-12
（ 9 ） XXX技术, 主持, 国家级, 2019-07--2020-06
（ 10 ） ***研究, 主持, 国家级, 2019-08--2021-12

已指导学生

房倩倩  硕士研究生  085208-电子与通信工程  

方向阳  硕士研究生  085208-电子与通信工程  

王琪  博士研究生  081002-信号与信息处理  

高飞  硕士研究生  081002-信号与信息处理  

白海钏  博士研究生  081002-信号与信息处理  

傅明明  硕士研究生  085208-电子与通信工程  

姚升余  博士研究生  081002-信号与信息处理  

王子腾  博士研究生  081002-信号与信息处理  

现指导学生

姚鼎鼎  博士研究生  081002-信号与信息处理  

孙兴伟  博士研究生  081002-信号与信息处理  

胡冬妮  博士研究生  081002-信号与信息处理  

杨帆  博士研究生  070206-声学  

黄哲莹  博士研究生  081002-信号与信息处理  

尹路  博士研究生  081002-信号与信息处理  

蒿晓阳  硕士研究生  081002-信号与信息处理  

宋思远  硕士研究生  085208-电子与通信工程  

陈城鑫  博士研究生  081002-信号与信息处理  

赵少靖  博士研究生  081002-信号与信息处理  

章明  博士研究生  081002-信号与信息处理  

程龙彪  博士研究生  081002-信号与信息处理