共找到 150 條與 頻率偏差 相關(guān)的標(biāo)準(zhǔn)，共 10 頁
本標(biāo)準(zhǔn)規(guī)定了數(shù)據(jù)速率為2400bit/s的四種調(diào)制解調(diào)器，即：2400bit/s頻分制雙工調(diào)制解調(diào)器，2400bit/s回波抵消制雙工調(diào)制解調(diào)器；2400bit/s二線半雙工調(diào)制解調(diào)器；2400bit/s四線雙工調(diào)制解調(diào)器的主要技術(shù)要求。 本標(biāo)準(zhǔn)適用于普通交換電話網(wǎng)和點(diǎn)對(duì)點(diǎn)二線專用電話型電路上
Technical requirement of wire voice-band modulation/demodulator for Type 2400bit/s
Metric buttress threads - Part 3: Deviations and tolerances
Metric buttress threads - Part 3: Deviations and tolerances
Metric buttress threads - Part 3: Deviations and tolerances
Significance test of difference between the two population means (standard deviations known, one-sided)
Significance test of difference between the two population means (standard deviations unknown, one-sided)
Deviations for Center Distances
Electrical relays － Part 13: Biased (percentage) differential relays
Verification Regulation of Ultrasonic Source for Ultrasonic Doppler Fetal Monitor
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Electrical relays-Part 13:Biased (percentage) differential relays
Deviations for Center Distances
Significance test of difference between the two population means (standard deviations known, two-sided)
Bonded abrasive products - Limit deviations and run-out tolerances (ISO 13942:2000)
Deviations for Center Distances
Square wire steel pole with h11 deviation. Dimensions and deviations
