Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474)最新文献_第6页

Area-efficient implementation of a fast square root algorithm 一个面积高效的快速平方根算法的实现

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869869

M. Tommiska

引用次数: 21

Active yaw control with sensorless wind speed and direction measurements for horizontal axis wind turbines 水平轴风力涡轮机无传感器风速和风向测量的主动偏航控制

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869856

F. Farret, L.L. Pfischer, D. Bernardon

引用次数: 15

A new universal class of discrete non-linear basis functions 一类新的通用离散非线性基函数

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869871

James J. Soltis

{"title":"A new universal class of discrete non-linear basis functions","authors":"James J. Soltis","doi":"10.1109/ICCDCS.2000.869871","DOIUrl":"https://doi.org/10.1109/ICCDCS.2000.869871","url":null,"abstract":"The discrete Fourier transform is of fundamental importance in the digital processing of signals. By using the Jacobian elliptic functions sn(u,m) and cn(u,m) as basis functions in place of the trigonometric sine and cosine, one can obtain a generalized transform which includes the Fourier transform as a special case, viz. m=0, where m, the squared modulus of elliptic function theory, can have any positive value less than 1, and hence the new transform is extremely flexible. It is found that the associated inverse transform consists of basis functions whose appearance can be described as a set of dithered trigonometric functions. The dithering level increases in a monotonic fashion with the parameter m. The latter can be described as a new universal discrete non-linear basis set. The universality derives from the fact that, for the same precision of computer computation (e.g. 12 digits), identical values are obtained independent of the machine used. The new set has as selectable parameters both the number of samples per period and the squared modulus 'm' (0<m<1). This same generalization technique can also be applied to the fractional Fourier transform - itself a generalization of the Fourier transform with a real or complex parameter (alpha). This, in turn, means that the number of possible unique universal waveform patterns is immense. An estimate is /spl sim/2/sup 151/ different waveforms if one assumes data lengths up to 1024 and 'm' in double precision. Sample applications of this non-linear function set in signal processing are presented.","PeriodicalId":301003,"journal":{"name":"Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130128958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analog CMOS tesla-volt multiplier circuit 模拟CMOS特斯拉伏特倍增电路

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869816

C. dos Reis Filho, H.J. Grados

引用次数: 4

First IF sampling techniques for DVB-T receivers 第一，DVB-T接收机中频采样技术

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869883

R. Makowitz, M. Mayr, C. Patzelt, D. Hoheisel

引用次数: 1

VHDL-based digital circuit synthesis: a case study 基于vhdl的数字电路合成:一个案例研究

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869810

F.L. Viana, F. Damiani

引用次数: 0

The implementation of digital signal processing for automatic recognition of radio emission type and spectrum occupancy analysis 实现数字信号处理，实现无线电发射类型的自动识别和频谱占用分析

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869877

V. Matic, B. Pavić, V. Tadić

引用次数: 1

Simulation of internal distribution of microwave noise sources in a short-channel nMOSFET 短通道nMOSFET中微波噪声源内部分布的仿真

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869851

M. Obrecht, T. Manku, M. Elmasry

引用次数: 0

Variable structure techniques applied to sensorless speed control of permanent magnet synchronous motors 变结构技术在永磁同步电机无传感器速度控制中的应用

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869861

C. Busada, G. Bortolotto, J. Balda

引用次数: 0

An efficient bit-wise source encoding technique based on source mapping 一种有效的基于源映射的逐位源编码技术

Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474) Pub Date : 2000-03-15 DOI: 10.1109/ICCDCS.2000.869875

Abdel-Rahman Elabdalla, M. Irshid

{"title":"An efficient bit-wise source encoding technique based on source mapping","authors":"Abdel-Rahman Elabdalla, M. Irshid","doi":"10.1109/ICCDCS.2000.869875","DOIUrl":"https://doi.org/10.1109/ICCDCS.2000.869875","url":null,"abstract":"In this paper, we propose an efficient source encoding technique based on mapping a non-binary information source with a large alphabet onto an equivalent binary source using weighted fixed-length code assignments. The weighted codes are chosen such that the entropy of the resulting binary source multiplied by the code length is made as close as possible to that of the original non-binary source. It is found that a large saving in complexity, execution time, and memory size is achieved when the commonly-used source encoding algorithms are applied to the n/sup th/ order extension of the resulting binary source. This saving is due to the large reduction in the number of symbols in the alphabet of the new extended binary source. As an example to validate the effectiveness of this approach, text compression using Huffman encoder applied to the n/sup th/ order extended binary source is studied. It is found that the bit-wise Huffman encoder of the 4th-order extended binary source (16 symbols) achieves compression efficiency close to that of the conventional Huffman encoder (256 symbols).","PeriodicalId":301003,"journal":{"name":"Proceedings of the 2000 Third IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.00TH8474)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125030752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2