BS 3680-8F:1986
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Measurement of liquid flow in open channels. Measuring instruments and equipment Hydrometric data transmission systems: general
Hardcopy , PDF
30-10-2018
English
31-01-1986
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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Withdrawn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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