共找到 150 條與 頻率合格率 相關(guān)的標準，共 10 頁
本標準規(guī)定了標稱頻率為50Hz的電力系統(tǒng)頻率偏差限值、測量及合格率的統(tǒng)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
Spectral grids for WDM applications: DWDM frequency grid Grilles spectrales pour les applications de multiplexage par r閜artition en longueur d'onde: grille dense DWDM
The purpose of this Recommendation is to provide the definition of a frequency grid to support dense wavelength division multiplexing (DWDM
Spectral grids for WDM applications: DWDM frequency grid
本文件規(guī)定了新能源場站快速頻率響應功能入網(wǎng)試驗的術(shù)語和定義、技術(shù)要求、試驗條件、試驗方法、記錄及報告、復核試驗的要求。 適用于新疆維吾爾自治區(qū)境內(nèi)接入35 kV及以上電壓等級的風電場、光伏發(fā)電站，35 KV以下 新能源場站可參照使用
New energy fast frequency response function network access test procedures
Requirements for Developing and Qualifying Alternate Inspection Frequency Plans
ITU-T Recommendation G.694.1 was prepared by ITU-T Study Group 15 (2001-2004) and approved under the WTSA Resolution 1 procedure on 13 June 2002
Spectral grids for WDM applications: DWDM frequency grid Series G: Transmission Systems and Media, Digital Systems and Networks Transmission media characteristics - Characteristics of optical components and subsystems Study Group 15
The purpose of this Recommendation is to provide the definition of a wavelength grid to support coarse wavelength division multiplexing (CWDM
Spectral grids for WDM applications: CWDM wavelength grid Series G: Transmission Systems and Media Digital Systems and Networks Transmission media characteristics - Characteristics of optical components and subsystems Study Group 15
This list has been prepared for use by or for the Government in the acquisition of products covered by Specification MIL-DTL-28837 Listing
MIXER STAGES, RADIO FREQUENCY, GENERAL SPECIFICATION FOR
Frequencies of alternating current equipment, general specifications
本標準適用于頻率、頻帶、調(diào)變與頻率圖之符號
Graphic Symbols for Frequencies, Bands, Modulation and Frequency Diagrams
Provides the specification of preferred frequencies, band centre frequencies, and frequency labels which form a geometric series for acoustical
Acoustics - Preferred frequencies and band centre frequencies
Verification Regulation of Frequency Synthesizer
Determination of the geographical and frequency distribution of the spectrum utilization factor for frequency planning purposes
This list has been prepared for use by or for the Government in the acquisition of products covered by Specification MIL-PRF-49142
CONNECTOR, TRIAXIAL, RADIO FREQUENCY, GENERAL SPECIFICATION FOR
Frequency Planning and Frequency Coordination for the GSM System
