output ripple meaning in English

输出干扰声
输出脉动

When examination , the power supply basic performance carries on the test in the power source output line plug place , the output ripple and the noise test must in the test point parallel 47u / 16v tantalum electric capacity and 0 . 1 u f high frequency electric capacity
检验时，电源基本性能均在电源输出线插头处进行测试,输出纹波及噪声测试需在测试点并联47 / 16v钽电容及0 . 1 f高频电容。