Witryna1 wrz 2005 · SMPTE IMD spectrum at 2 Watts Figure 5 shows an expanded spectrum around the upper tone of a 60 Hz + 7 kHz test signal. The IMD products are seen as … SMPTE IMD is a technique for measuring IMD (intermodulation distortion) according to the SMPTE RP120-1983 standard. The DIN intermodulation distortion technique uses a similar method. The stimulus is a strong low-frequency interfering signal (f1) combined with a weaker high frequency signal of … Zobacz więcej MOD IMD is similar to SMPTE IMD, and in some cases produces the same results. The MOD stimulus is the same as the SMPTE stimulus, but instead of using AM demodulation for … Zobacz więcej The CCIF IMD method is described in document no. 11 of the Commission Mixte, CCIF/UIR, March 1937, issued by the International … Zobacz więcej DFD stands for Difference Frequency Distortion. DFD is described in the standards IEC60118 and IEC60268. The DFD stimulus is two equal-level high-frequency tones f1 and f2, centered around a … Zobacz więcej
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Witryna7 kwi 2024 · IMD SMPTE 0.0002% 800Hz 10kHz (4:1) Unbalanced │ 0.0002% 800Hz 10kHz (4:1) Balanced. Output Impedance Unbalanced Out 3.5mm (1.1ohm) │ … Witryna18 lut 2024 · 按前面计算的SMPTE IMD、DIN IMD、CCIF2和CCIF3测试信号的合成频率:20Hz、250Hz、1000Hz、1000Hz和各互调失真项,以及常用的采样频率44.1kHz … foa thisted
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Witryna20 sty 2016 · Jan 18, 2016. #2. SMPTE IMD is an archaic spec that dates back to old movie sound systems when 7kHz was HF and 60Hz was LF. The distortion … Witrynaa.信号源输出imd信号到功放中,并正确接好输入端; ... smpte标准rp120-1983和din标准45403很相似。两者均规定用两个正弦波测试信号,一个是低频率高幅度信号,另一个是高频率信号但幅度是低频率信号的四分之一。smpte标准规定信号频率分别 … WitrynaStandardized IMD Test IMD measurements use a two sine wave test signal consisting of a large amplitude low frequency tone linearly mixed with a high-frequency tone at … green yellow bowel movement