《Next性能介紹》PPT課件

1、AdBall Shape for True Volumetric CoverageFull Curtain9 Cylindrical Lens Segments provide full curtainsLarge optical aperture for long rangeSmall optical aperture for short rangeFrequency Modulation (FM) Digital Signal Processing (DSP), eliminatesthe many types of interference that affect reliability

2、 of traditional detectorsemploying Amplitude Modulation (AM) processing.AmplitudeProcessingNEXT FrequencyDSP ProcessingPIRsPIRsAmplifierFM ModulationThe different amplification stages used in conventional PIRs, cause the distortion of the detection signal and make it impossible to utilize the full s

3、ophistication of the signal processing techniques. Without using amplifiers, all these distortions are totally eliminated, providing the detector with a much better power to distinguish between real and false alarmsPIRsAmplificationProcessingProcessingPIRsAMSignalNEXT FM SignalAMSignalProcessingPIRs

4、AmplificationNoiseSpikeProcessingPIRsFM ModulationNEXT FM SignalNoiseSpikeThresholdThresholdTMConsidering:Signal pattern + shapeIntruders speedSignal frequencySensor responseRoom temperatureThresholdThresholdThresholdThresholdThresholdPIRsAmplificationProcessingProcessingAMSignalNEXT FM SignalPIRsTh

5、e different amplification stages used in conventional PIRs, cause the distortion of the detection signal and makes it impossible to utilize the full sophistication of the signal processing techniques. Without using amplifiers, all these distortions are totally eliminated providing the detector with a much better power to distinguish between real and false alarmsNew RelayOld RelayThe use of a solid state relay instead of an electromechanical reed relay,totally eliminates mechanical problems very common in convent