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| 1. |
Adaptive filtering, using a bit-slice microcomputer |
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IEE Proceedings E (Computers and Digital Techniques),
Volume 129,
Issue 4,
1982,
Page 133-144
A.T.Clark,
D.R.Wilson,
D.F.Neale,
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摘要:
An adaptive filter routine is presented in which the frequency-selective characteristics are related to the sampling frequency. The sampling frequency can be locked to the input frequency within a predetermined range, and consequently implement self-adaptive characteristics. The routine utilises one set of 2nd-order notch-filter coefficient values as its vehicle. No external reference signal is required. The phase relationship between the input and output signals is used to perform the adaptive procedure.The real-time implementation of this adaptive technique is presented, and time-estimation curves are provided. The system is extended to consider adaptive noise cancellation where the adaptive mechanism removes unwanted noise superimposed upon the input signal. The system used to implement the adaptive routine is a 16-bit microprogrammable microprocessor based on the Intel 3000 series of computing components.
DOI:10.1049/ip-e.1982.0029
出版商:IEE
年代:1982
数据来源: IET
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| 2. |
Low-density-burst error-locating linear codes |
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IEE Proceedings E (Computers and Digital Techniques),
Volume 129,
Issue 4,
1982,
Page 145-146
B.K.Dass,
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PDF (309KB)
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摘要:
Lower and upper bounds are presented on the number of parity-check digits required for a linear code that locates a single sub-block containing errors which are in the form of low-density bursts.
DOI:10.1049/ip-e.1982.0030
出版商:IEE
年代:1982
数据来源: IET
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| 3. |
Comparison of an Ethernet-like communication system with the Cambridge ring |
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IEE Proceedings E (Computers and Digital Techniques),
Volume 129,
Issue 4,
1982,
Page 147-155
W.D.Shepherd,
G.S.Blair,
D.Hutchison,
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PDF (1496KB)
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摘要:
This paper describes the simulation and comparison of two types of local-area network. One is a branching broadcasting system, based closely on the standard Ethernet, requiring contention-resolving hardware, and the second is the Cambridge digital communication ring, a point-to-point communication system using the empty-slot principle for deterministic multiplexing.
DOI:10.1049/ip-e.1982.0031
出版商:IEE
年代:1982
数据来源: IET
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| 4. |
Reconfigurable computer architectures |
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IEE Proceedings E (Computers and Digital Techniques),
Volume 129,
Issue 4,
1982,
Page 156-164
S.K.Mehra,
J.C.Majithia,
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PDF (1598KB)
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摘要:
A survey of reconfigurable computer architectures is presented. This shows two distinct trends: data-flow architectures and dynamic architectures. If a broad classification of programs based on two kinds of parallelism in programs, i.e. instruction and data, is adopted, then a pooled-resource reconfigurable multiprocessor (PRRMP) system can be evolved. The salient features of such a system, including hardware and software aspects, are discussed in this paper.
DOI:10.1049/ip-e.1982.0032
出版商:IEE
年代:1982
数据来源: IET
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