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JJF 1188-2008: Terms and Their Definitions for Radio Measurement
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Terms and Their Definitions for Radio Measurement
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JJF 1188-2008
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Basic data | Standard ID | JJF 1188-2008 (JJF1188-2008) | | Description (Translated English) | Terms and Their Definitions for Radio Measurement | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A56 | | Classification of International Standard | 17.220 | | Word Count Estimation | 46,468 | | Date of Issue | 2008-02-20 | | Date of Implementation | 2008-05-20 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | JJF 1188-2008: Terms and Their Definitions for Radio Measurement---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Terms and Their Definitions for Radio Measurement
People's Republic of China National Metrology Technical Specifications
Radio measurement terminology and definitions
Posted 2008-02-20
2008-05-20 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Radio measurement terminology and definitions
TermsandTheir
This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on February 20, 2008, and from
From May 20, 2008 into effect.
Focal point. the National Radio Technical Commission metering
The main drafting units. China Institute of Metrology
Participated in the drafting unit. China Electronics Standardization Institute
Third Institute of China Electronics Technology Group
Army Medical electromagnetics Metrology Research Station
Ministry of Information Industry Communications Measurement Center
The specification of the National Radio Technical Commission responsible for the interpretation of measurement
The main drafters of this specification.
He Zhao (China Institute of Metrology)
Tengjun Heng (China Institute of Metrology)
Cai Xinquan
Drafters participate.
Zhang Han Guan (China Electronics Standardization Institute)
High autumn (China Institute of Metrology)
Xie Ming (China Institute of Metrology)
Li Zhixian (Third Research Institute of China Electronics Technology Group)
Jia Jiange (PLA Medical electromagnetic Metrology Research Station)
Aplication (Ministry of Information Industry Communications Measurement Center)
table of Contents
1 Basic terms (1)
Voltage 2 (5)
Modulation 3 (6)
Distortion 4 (7)
Power 5 (8)
6 microwave impedance (9)
7 lumped impedance (10)
Attenuation 8 (12)
Phase 9 (13)
Noise 10 (14)
Pulse 11 (16)
12 field strength (18)
13 Electromagnetic Compatibility (20)
14 video parameters (24)
15 electric physiological parameters (26)
16 communication parameters (27)
Chinese index (32)
English index (37)
Radio measurement terminology and definitions
1 Basic Terminology
1.1 Time Domain timedomainmeasurement
Signal amplitude measurement of change over time. Including the signal waveform measurements and the measured object measured response time characteristics.
1.2 frequency domain measurements frequencydomainmeasurement
Signal amplitude versus frequency measured change. Including the frequency spectrum of the signal and the measured object measured response characteristics.
1.3 Data Domain Measurements data-domainmeasurement
The timing and status of signal data flow measurements. Such as logical analysis.
1.4 modulation-domain measurements modulationdomainmeasurement
Frequency signal, the measurement time interval or phase changes with time.
1.5 frequency characteristics frequencycharacteristic
Relationship between measured object parameters and frequency. Frequency characteristics include amplitude-frequency characteristics and phase-frequency characteristics.
1.6 response responsecharacteristic
Under certain conditions, the relationship between the excitation and the corresponding response.
1.7 Selective selectivity
Characterization of signal interference measurement capability with other signals of a frequency phase difference means required. The receiver
Introduction selectivity is the ability to choose from a number of signals of different frequencies in the signal out of the required characterization of the receiver.
1.8 real-time measurement of real-timemeasurement
Measured in real time process occurs, collect all the required raw test data, followed by (or over a period of storage
Later time) by the measurement data processing are given all the necessary measurements.
1.9 reflection parameters reflectionparameter
Used to describe the parameters of the reflective properties of the network ports.
Described reflection characteristic impedance parameters in addition, there is a voltage standing wave ratio (the VSWR), reflection coefficient (Gamma) and back
Wave loss (LR).
1.10 transmission parameters transmissionparameter
Used to describe the impact of the network through which the signal generated on the parameters.
Parameters describing amplitude attenuation change, insertion loss, gain, and efficiency, the phase change described parameters have similar
Shift, group delay, etc., describe noise variance parameters noise coefficient.
1.11 resonance parameters resonanceparameter
Used to describe the network (or circuits) parametric resonance of some of the features. The main resonance frequency, Q (load
Or no-load Q value) and bandwidth.
1.12 TEM transverseelectromagneticwave
Also known as TEM waves. Electric field component and magnetic field component perpendicular to each other and perpendicular to the direction of propagation of an electromagnetic wave.
1.13 planar electromagnetic wave planeelectromagneticwave
Referred to a plane wave. Wavefront of electromagnetic plane.
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