A novel met hod t o p artially compensate sigma2delta shap ed noise is p rop osed. By injecting t he comp en2 sation cur rent int o t he p assive loop f ilte r during t he delay time of t he p hase f requency Detect or ( PFD) , a maximum reduction of t he p hase noise by about 16dB can be achieved. Comp a red t o ot he r compensation met hods , t he tech2 nique p rop osed he re is relatively simple and easy t o implement . Key building blocks f or realizing t he noise cancel2 lation , including t he delay va riable PFD and comp ensation cur rent source , a re sp ecially designed. Bot h t he behavior level and circuit level simulation results a re p resented.
标签: sigma2delta compensate injecting artially
上传时间: 2013-12-18
上传用户:qlpqlq
this paper tell you susan principle for feature detetion very details. and many pseucode are also given. you can use the principle to Detect feature.
标签: principle detetion pseucode feature
上传时间: 2013-12-18
上传用户:familiarsmile
A java based programming environment - processing - free from processing.org. here it uses a free library - OpenCV - to Detect blobs in a live video capture - some parts like - hands or head or the entire human are evidenced through some visual effects.
标签: processing free environment programming
上传时间: 2013-12-26
上传用户:erkuizhang
The potential of solving real-time demanding industrial applications, using vision-based algorithms, drastically grew due to an increasing availability of computational power. In this thesis a novel real-time, vision-based Blackjack analysis system is presented. The embedding of the vision algorithms in a compound system of other information sources such as an electronic chip tray, reduces the vision task to Detect cards and chips. Robust results are achieved by not just analyzing single frames but an image stream regarding game-ß ow informations. The requirements for such a system are a highly robust and adaptive behav- ior. This is motivated by the vital interest of casino entrepreneurs in a 100 statistical analysis of their offered gambling in order to support the business plan, measuring table and dealer performance and give accurate player rating. Extensive experiments show the robustness and applicability of the proposed system.
标签: applications vision-based algorithms industrial
上传时间: 2017-08-20
上传用户:liansi
This book provides the reader with the basics in radio engineering, the techniques needed to generate, control, Detect, and use radio waves. The text approaches the relevant problems both from the electromagnetic theory based on Maxwell抯 equations and from the circuit theory based on Kirchoff and Ohm抯 laws. Brief introductions to the electromagnetic theory as well as to the circuit theory are provided. Besides passive transmission lines and components, active RF circuits are also addressed.
标签: the engineering techniques provides
上传时间: 2014-01-17
上传用户:rocketrevenge
SiftGPU is an implementation of SIFT [1] for GPU. SiftGPU processes pixels parallely to build Gaussian pyramids and Detect DoG Keypoints. Based on GPU list generation, SiftGPU then uses a GPU/CPU mixed method to efficiently build compact keypoint lists. Finally keypoints are processed parallely to get their orientations and descriptors.
标签: SiftGPU implementation processes parallely
上传时间: 2013-11-27
上传用户:zhangjinzj
This example shows how to Detect and count cars in a video sequence using foreground Detector based on Gaussian mixture models (GMMs)
标签: Detecting Gaussian Mixture Models Using Cars
上传时间: 2016-12-10
上传用户:Fgufsett
In order to improve the spectral efficiency in wireless communications, multiple antennas are employed at both transmitter and receiver sides, where the resulting system is referred to as the multiple-input multiple-output (MIMO) system. In MIMO systems, it is usually requiredto Detect signals jointly as multiple signals are transmitted through multiple signal paths between the transmitter and the receiver. This joint Detection becomes the MIMO Detection.
标签: Complexity Detection MIMO Low
上传时间: 2020-05-27
上传用户:shancjb
Many applications have required the positioning accuracy of a Global Navigation Satellite System (GNSS). Some applications exist in environments that attenuate GNSS signals, and, consequently, the received GNSS signals become very weak. Examplesofsuchapplicationsarewirelessdevicepositioning,positioninginsensor networks that Detect natural disasters, and orbit determination of geostationary and high earth orbit (HEO) satellites. Conventional GNSS receivers are not designed to work with weak signals. This book presents novel GNSS receiver algorithms that are designed to work with very weak signals.
标签: Receivers Signals GNSS Weak for
上传时间: 2020-06-09
上传用户:shancjb
本系统采用电动机电枢供电回路串接采样电阻的方式来实现对小型直流有刷电动机的转速测量。该系统主要由二阶低通滤波电路,小信号放大电路、单片机测量显示电路、开关稳压电源电路等组成。同时自制电机测速装置,用高频磁环作为载体,用线圈绕制磁环,利用电磁感应原理检测电机运行时的漏磁,将变化的磁场信号转化为磁环上的感应电流。用信号处理单元电路将微弱电信号转化为脉冲信号,送由单片机检测,从而达到准确测量电机的速度的要求。In this system, the sampling resistance of armature power supply circuit is connected in series to measure the speed of small DC brush motor. The system is mainly composed of second-order low-pass filter circuit, small signal amplifier circuit, single-chip measurement and display circuit, switching regulated power supply circuit and so on. At the same time, the self-made motor speed measuring device uses high frequency magnetic ring as the carrier, coil winding magnetic ring, and electromagnetic induction principle to Detect the leakage of magnetic field during the operation of the motor, which converts the changed magnetic field signal into the induced current on the magnetic ring. The weak electric signal is transformed into pulse signal by signal processing unit circuit, which is sent to single chip computer for Detection, so as to meet the requirement of accurate measurement of motor speed.
标签: 直流电动机
上传时间: 2022-03-26
上传用户: