Ultra-wideband (UWB) positioning technology stands out from many indoor positioning technologies with its advantages of high precision. However. non-line-of-sight (NLOS) propagate leads to heavy range error and reduces position accuracy. this paper proposes a NLOS identification method based on channel impulse response (CIR). https://www.nacrack.com/quick-buy-Whelen-Arges-Remote-Spotlight-amazing-deal/