共找到 150 條與 頻率偏差 相關的標準，共 10 頁
本標準規定了標稱頻率為50Hz的電力系統頻率偏差限值、測量及合格率的統計方法。 本標準不適用于電氣設備的頻率偏差限值
Power quality.Frequency deviation for power system
Radiocommunications. Transmitters. Table of transmitter frequency tolerances.
This Recommendation describes methods to measure deviation and multiplex power of FM broadcasting stations during normal programme operation
Method of measuring the maximum frequency deviation of FM broadcast emissions at monitoring stations
Method of measuring the maximum frequency deviation of FM broadcast emissions at monitoring stations
Excursion de fréquence et sens de modulation pour les faisceaux hertziens analogiques de télévision
METHOD OF MEASURING THE MAXIMUM FREQUENCY DEVIATION OF FM BROADCAST EMISSIONS AT MONITORING STATIONS
METHOD OF MEASURING THE MAXIMUM FREQUENCY DEVIATION OF FM BROADCAST EMISSIONS AT MONITORING STATIONS
State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of the frequency deviation
State system for ensuring the uniformity of measurements. State verification schedule for means measuring the frequency deviation
Method of Measuring the Maximum Frequency Deviation of FM Broadcast Emissions in the Band 87.5 MHz to 108 MHz at Monitoring Stations (Funchal 1998)
Electromagnetic compatibiliti of radioelectronic equipment. Radio transmitting devices of all types and purposes for national economic use. Limits for frequency tolerances. Measuring and monitoring methods
本標準規定了電力系統頻率允許偏差值及其測量儀表的基本要求。 本標準適用于正常運行下標稱頻率為50Hz的電力系統。 本標準不適用于電氣設備的頻率允許偏差
Quality of electric energy supply. Permissible deviation of frequency for power system
規定了半導體射頻電源和微波電源的輸出偏差穩定性測量方法的術語和定義、符號和縮略語、總則、測試條件、測試要求。適用于電氣工作頻率在100 kHz～3 GHz的半導體裝備用射頻電源和微波電源產品
Method of measuring output deviation stability for semiconductor RF power supply and microwave power supply
Electric machines. Rated speeds of rotation and tolerances
本規程適用于氫原子頻率標準的首次檢定、后續檢定和使用中檢驗
Hydrogen Atomic Frequency Standards
