Noise floor level reduction device and noise floor level reduction method

Noise floor level reduction device and noise floor level reduction method

Provided are a noise floor level reduction device and a noise floor level reduction method capable of reducing a noise floor level. A transmission power measurement system 10 is installed before a signal measurement device 20 including a noise floor level measurement unit 22 that measures a noise fl...

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Hauptverfasser: YOSHIHIRO SHIOZAWA, SHINICHI ITO, MOMOKO INADOMARU
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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creator YOSHIHIRO SHIOZAWA
SHINICHI ITO
MOMOKO INADOMARU
description Provided are a noise floor level reduction device and a noise floor level reduction method capable of reducing a noise floor level. A transmission power measurement system 10 is installed before a signal measurement device 20 including a noise floor level measurement unit 22 that measures a noise floor level, and a measurement unit 24 that subtracts the noise floor level from a level of a signal from a DUT 2 to calculate a level of a signal after subtraction, and includes an LNA 17 provided between the DUT 2 and the signal measurement device 20 for amplifying the signal from the DUT 2, and a termination resistor 16 that terminates an input of the LNA 17, and the termination resistor 16 terminates the input of the LNA 17 in a case in which the noise floor level measurement unit 22 measures the noise floor level. 本发明提供种能够降低本底噪声电平的本底噪声电平降低装置及本底噪声电平降低方法。发送功率测定系统(10)前置于信号测定装置(20)，所述信号测定装置具备：本底噪声电平测定部(22)，测定所述信号测定装置的本底噪声电平；及测定部(24)，通过从来自DUT(2)的信号电平中减去本底噪声电平来计算出减法运算后的信号电平，所述发送功率测定系统具备：LNA(17)，设置于DUT(2)与信号测定装置(20)之间且
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
title Noise floor level reduction device and noise floor level reduction method
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