Signal Processing Circuit Design of Infrared Detection System with SO2 Concentration Based on Correl

[期刊论文] 作者：Yan-yu ZHAO,Nan YAO, 来源：测试科学与仪器 年份：2004

Signals from infrared detector are very weak in SO2 concentration measuring system.In order to improve the sensitivity of detection,combining with filter correl...

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A class of two-dimensional dual integral equations and its application

[期刊论文] 作者：FAN Tian-you,SUN Zhu-feng, 来源：应用数学和力学（英文版） 年份：2004

Because exact analytic solution is not available, we use double expansion and boundary collocation to construct an approximate solution for a class of two-dimen...

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A beam position measurement system of fully digital signal processing at SSRF

[期刊论文] 作者：YAN Han,ZHAO Lei,LIU Shubin,CH, 来源：核技术（英文版） 年份：2004

This fully digital beam position measurement instrument is designed for beam position monitoring and machine research in Shanghai Synchrotron Radiation Facility...

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Method to Increase Micro-controller A／D Conversion Speed

[期刊论文] 作者：唐鹤权, 来源：Journal of DongHua University 年份：2004

The speed and cost of A/D conversion are conflict to each other. As micro-controller speed is increasing and its internal function is improving, full utilizatio...

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A Novel Method for Wavelength Conversion with Dual-pump Four-wave Mixing in a Semiconductor Optical

[期刊论文] 作者：QI Jiang,CHI Nan,ZHENG Yuan,CH, 来源：中国激光 年份：2004

Using a semiconductor-fiber ring laser, a novel method for the all optical wavelength conversion based on dual-pump four-wave mixing (FWM) in a semiconductor op...

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Method to Increase Micro-controller A/D Conversion Speed

[期刊论文] 作者：TANGHe-quan, 来源：东华大学学报（英文版） 年份：2004

...

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Implementation of a Novel Algorithm on Acoustic Doppler Current Profiler Signal Processing System

[期刊论文] 作者：ZHU Hao,Liu Wenyao, 来源：天津大学学报（英文版） 年份：2004

Acoustic Doppler current profiler (ADCP) uses acoustic energy directed along narrow beams for current measurement. In conventional method, the quantity of sampl...

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Small Signal Circuit Model of Double Photodiodes

[期刊论文] 作者：HANJian,zhong,NiGuo-qiang,MAOL, 来源：半导体光子学与技术：英文版 年份：2004

The transmission delay of photogenerated carriers in a CMOS-process-compatible double photodiode (DPD) is analyzed by using device simulation. The DPD small sig...

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Small Signal Circuit Model of Double Photodiodes

[期刊论文] 作者：, 来源：Semiconductor Photonics and Technology 年份：2004

The transmission delay of photogenerated carriers in a CMOS-process-compatible double photodiode (DPD) is analyzed by using device simulation.The DPD small sig...

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Small Signal Circuit Model of Double Photodiodes

[期刊论文] 作者：HAN Jian-zhong,NI Guo-qiang,MAO Lu-hong, 来源：城市道桥与防洪 年份：2004

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...

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Design of a Weak Signal Detecting Circuit in the Infrared Spectrum Absorbed Type Gas Sensor

[期刊论文] 作者：Xiao-ping LI,Pei-li ZHOU, 来源：测试科学与仪器 年份：2004

In the infrared spectrum absorbed type gas concentration sensor,voltage signal obtained from the two-channel thermopile infrared detector TPS2534 is very weak.I...

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A New Signal Processing Technique of π/4-DQPSK Modem Based on Software Radio

[期刊论文] 作者：常疆,张乃通, 来源：系统工程与电子技术 年份：2004

π/4-DQPSK modem has been chosen as the modem scheme in many mobile communication systems. A new signal processing technique of π/4-DQPSK modem based on softwa...

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Kravchenko atomic transforms in digital signal processing

[期刊论文] 作者：V.F.Kravchenko,D.V.Churikov, 来源：测试科学与仪器 年份：2004

The modified atomic transformations are constructed and proved.On their basis the new complex analytic wavelets are obtained.The proof of the Fourier transforms...

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IMAGING AND MTI PROCESSING BASED ON DUAL-FREQUENCIES DUAL-APERTURES SPACEBORNE SAR

[期刊论文] 作者：Yin Jianfeng,Li Daojing,Wu Yir, 来源：电子科学学刊 年份：2004

Based on dual-frequencies dual-apertures spaceborne SAR (Synthetic Aperture Radar), a new SAR system with four receiving channels and two operation modes is pre...

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Ultrasonic flaw detection using EMD-based signal processing

[期刊论文] 作者：Mao Yimei,Que Peiwen, 来源：高技术通讯（英文版） 年份：2004

The precise detection of flaw echoes buried in backscattering noise caused by material microstructure is a problem of great importance in ultrasonic non-destruc...

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Cancer systems biology: signal processing for cancer research

[期刊论文] 作者：Olli Yli-Harja,Antti Ylip,Matt, 来源：癌症（英文版） 年份：2004

In this editorial we introduce the research paradigms of signal processing in the era of systems biology. Signal processing is a field of science traditionally...

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Signal processing method for shear wave velocity measurement

[期刊论文] 作者：侯兴民,曲淑英,时向东,, 来源：Earthquake Engineering and Engineering Vibration 年份：2004

Soil shear wave velocity (SWV) is an important parameter in geotechnical engineering. To measure the soil SWV, three methods are generally used in China, includ...

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Processing Methods for Conical Scan Hopped-Frequency Signal

[期刊论文] 作者：WANG Xiao-hong,LONG Teng, 来源：北京理工大学学报（英文版） 年份：2004

The new radar system of combination of the hopped-frequency with the conical scanis presented. According to the principle and expression of the conical scan hop...

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Signal processing for PSoC based PIR motion detection

[期刊论文] 作者：WANG Qian,Michael Collier, 来源：测试科学与仪器 年份：2004

A signal processing scheme for a programmable system-on-chip(PSoC) based human body infrared tracking system is described.The purpose of this project is to conv...

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A PZT-P[VDF-TrFE] dual-layer transducer for 3-D imaging

[会议论文] 作者：Jesse Yen,Chi Hyung Seo,Samer Awad,Jong Jeong, 来源：2008 IEEE International Ultrasonics Symposium(IUS)(2008 IEEE 年份：2004

...

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