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VIDEO MEASUREMENT

Injecting Additive White Gaussian Noise (Gaussian Noise) of varying power from Noisecom noise generators into the cable network is an effective way to assess the extent of cable network’s ability to cope with Gaussian Noise interferences of varying intensity. In this application note, we highlight area where Gaussian Noise should be added to examine its impact and uses some of the signal quality metrics to assess the health of the DOCSIS network.

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What Is Noise? All materials produce noise at a power level proportional to the physical temperature of the material. Chinese application note available.

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Learn all you need to know about what noise can do, how it is created, types of noise Noisecom provides and how to control it. It is a great resource to define your noise requirements and identify what Noisecom product or products you can use: component, module or instrument. Chinese application note available.

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This document provides Noisecom's method of measuring crest factor of a noise source using a LeCroy Wavepro 7200 Oscilloscope. Chinese application note available.

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The Data-Over-Cable Service Radio Frequency Interface Specifications call out BER performance vs. Es/No as required tests for both the Upstream CMTS (Cable Modem Termination System) and Downstream CM (Cable Modem) receivers. Chinese application note available.

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