... 低噪声接收机 low noise receiver，LNR 低噪声测试 low noise test，LNT 低范数 low norm ...
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晶体管低频噪声测试仪 transistor low-frequency noise-meter
电子管低频噪声测试仪 electronic tube LF noise tester
低频噪声测试 low frequency noise measurement
在测试样板和7158型开关卡之间应该使用低噪声同轴电缆，以避免噪声电流。
Low noise coax cables should be used between the test coupons and the Model 7158 CARDS to avoid noise currents.
为了尽量降低噪声和泄漏电阻的影响，应当将电阻器放在一个屏蔽、保护的测试夹具中。
To minimize noise and leakage resistance, the resistor should be placed in a shielded, guarded test fixture.
本文简要介绍了用于激光共振电离质谱实验的低噪声脉冲放大器的设计思路、实现的要点及其测试结果。
This article briefly describes the thoughts, key points and test result of a low noise pulse amplifier used in Laser Isotope Mass Spectrometer.
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