Measurements of the electrical properties of transmitting tubes - methods of measuring the inter modulation distortion of a three tone signal 发射管电性能测试方法三音互调失真的测试方法
Measurements of the electrical properties of transmitting tubes - measuring methods of dual tone inter - modulation distortion of linear amplifier tubes 发射管电性能测试方法线性放大管双音互调失真的测试方法
For lfm signal , we demonstrate the method of employing hamming weighting , spectrum correcting and phase modulation distortion 对线性调频信号的旁瓣抑制介绍了经典海明窗加权处理方法、频谱修正以及相位预矫正几种方法。
Results are given for a series of two - tone inter - modulation distortion measurements . it is shown that a 25 db improvement in the inter - modulation margin can be achieved 实现了一个890 915mhz的功率放大器的前馈线性化试验,其双音法测试结果表明,放大器的线性度提高了约25db 。
Results are given for a series of two - tones inter - modulation distortion measurements and the im3 is 48dbc . it is shown that a 24db improvement in the inter - modulation margin can be achieved when the amplifier ’ s output is 49dbm . and the efficiency of the whole system is 27 . 8 % 经双音测试证明,本系统在输出总功率为49dbm时,三阶互调产物抑制比为48dbc ,较未加入线性化系统前改善了24dbc ,此时系统总效率为27 . 8 % 。