BS 3680-8F:1986
Withdrawn
Measurement of liquid flow in open channels. Measuring instruments and equipment Hydrometric data transmission systems: general
Hardcopy , PDF
English
01-31-1986
10-30-2018
National foreword
Committees responsible
Method
0. Introduction
1. Scope and field of application
2. References
3. Definitions
4. Units of measurement
5. System description
6. Principles of operation
7. System design and performance criteria
8. System specification
9. Bibliography
Annexes
A. Signal representation
B. Multiplexing
C. System capacity
D. Radio frequencies
Figures
1. Data acquisition system - Functional block diagram
2. Amplitude modulation (AM)
3. Frequency modulation (FM)
4. Pulse duration modulation (PDM)
5. Pulse amplitude modulation (PAM)
6. Pulse code modulation (PCM)
7. Pulse position modulation (PPM)
8. Frequency and time division multiplexing
9. Two-channel information system
10. Effect of white noise on typical signal
General functional requirements for hydrometric telemetry. Defines characteristics of the system required to transmit field data to a receiving station and the minimum processing for subsequent use.
| Committee |
CPI/113
|
| DevelopmentNote |
OBSOLETE - no further requirement for this standard
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Standards | Relationship |
| ISO 6419-1:1984 | Identical |
| ISO/IEC 646:1991 | Information technology — ISO 7-bit coded character set for information interchange |
| ISO 772:1996 | Hydrometric determinations — Vocabulary and symbols |
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