共找到 150 條與 波束寬度 相關(guān)的標(biāo)準(zhǔn)，共 10 頁(yè)
Lessons Learned ?Radio Frequency Interference Caused by Multiple Viking Spacecraft in Deep Space Station Antenna Beamwidth (1976)
Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. Part 2. General astigmatic beams
Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. Part 1. Stigmatic and simple astigmatic beams
Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. Part 3. Intrinsic and geometrical laser beam classification, propagation and details of test methods
Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. Part 3. Intrinsic and geometrical laser beam classification, propagation and details of test methods
本文件規(guī)定了寬波束高增益天線(xiàn)的電性能、機(jī)械特性、環(huán)境條件和檢驗(yàn)規(guī)則。 本文件適用于工作子頻段為 806MHz~880MHz、870MHz~960MHz、1710MHz ~ 1880MHz、1885MHz ~ 1915MHz、1920MHz~2170MHz、2010MHz ~ 2025MHz
Technical requirement of widebeam high-gain antennas for mobile communication
本標(biāo)準(zhǔn)規(guī)定了用于淺水測(cè)量的多波束測(cè)深儀的產(chǎn)品組成與規(guī)格、技術(shù)要求、試驗(yàn)方法、檢驗(yàn)規(guī)則，以及標(biāo)志、包裝、運(yùn)輸和儲(chǔ)存要求。 本標(biāo)準(zhǔn)適用于水深測(cè)量范圍小于600m的多波束測(cè)深儀的生產(chǎn)、檢驗(yàn)和使用
Multibeam echo sounder.Shallow water
本規(guī)范規(guī)定了雷達(dá)對(duì)抗多波束測(cè)向設(shè)備的技術(shù)要求、質(zhì)量保證規(guī)定和交貨準(zhǔn)備等。 本規(guī)范適用于地面、艦船和機(jī)載雷達(dá)對(duì)抗多波束測(cè)向設(shè)備（以下簡(jiǎn)稱(chēng)設(shè)備）的研制、生產(chǎn)和檢驗(yàn)，是擬制產(chǎn)品規(guī)范的基本依據(jù)
General specification for multi-beam DF equipment in radar EW
本文件規(guī)定了便攜式多波束成像聲吶性能參數(shù)、系統(tǒng)構(gòu)成及接口配置、測(cè)試方法、檢驗(yàn)規(guī)則，包裝、標(biāo)志、運(yùn)輸、貯存等要求
Generic Specification for Manufacturing and Checking of Portable Multibeam Imaging Sonar
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Method of measurement of centre beam intensity and beam angle(s) of reflector lamps
Method of measurement of centre beam intensity and beam angle(s) of reflector lamps
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Method of measurement of centre beam intensity and beam angle(s) of reflector lamps
本文件適用于工作子頻段為1710MHz～2170MHz、2300MHz～2690MHz、3300MHz～3600MHz、4800MHz～5000MHz的移動(dòng)通信系統(tǒng)場(chǎng)館方波賦形天線(xiàn)的研發(fā)、設(shè)計(jì)和生產(chǎn)
Technical requirements for square wave shaped antennas for mobile communication systems in stadiums
本規(guī)范適用于25～1000MHz頻段移動(dòng)通信線(xiàn)極化無(wú)源天線(xiàn)。 本規(guī)范給出了移動(dòng)通信天線(xiàn)的常用名詞、術(shù)語(yǔ)的定義，規(guī)定了它的技術(shù)要求，試驗(yàn)方法，檢驗(yàn)規(guī)則以及標(biāo)志、包裝、運(yùn)輸和貯存要求
General specification for antennas used in the mobile services
本標(biāo)準(zhǔn)規(guī)定一般水聲換能器的主要電聲參數(shù)的測(cè)量、計(jì)算和表示方法。 本標(biāo)準(zhǔn)適用的頻率范圍為1Hz～1MHz。 本標(biāo)準(zhǔn)所規(guī)定的測(cè)量方法也適用于一般基陣。 大功率下的某些參數(shù)應(yīng)按GB/T 7967-2002的規(guī)定進(jìn)行測(cè)量
Acoustics--Measurement of underwater sound transducers
