規定頻率 的英文怎麼說

中文拼音 [guīdìngbīn]
規定頻率 英文
assigned frequency
  • : Ⅰ名詞1 (畫圓形的工具) instrument for drawing circles 2 (規則; 成例) rule; regulation 3 [機械...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • 規定 : stipulateprovide
  • 頻率 : frequency; rate
  1. Verification regulation of cesium beam frequency standard

    銫束原子標準檢
  2. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 50 to 125 mhz frequency range - fifth overtone thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level

    經質量評的振蕩器用冷焊封石英晶體振子詳細范. dn dq和dp外殼, 50至125mhz范.窄溫范圍
  3. Verification regulation of heterodyne frequency meter

    外差式計檢
  4. Verification regulation of model pb - 2 decimal frequency meter

    Pb - 2型十進儀檢
  5. Verification regulation of digit industrial frequency meter model pp27

    Pp27數字工計試行檢
  6. 13a, ; rectangular connectors for frequencies below 3 mhz ; part 7 : detail specification for a range of connectors with polarized guides or jackscrews and size 16 round contacts ; removable crimp contact types with closed crimp barrels, rear insertion front release, with assessed quality

    低於3mhz的矩形連接器.第7部分:一系列矩形連接器的詳細范:具有評標明極性式插孔,螺紋尺寸為16
  7. Dds951 series electronic single - phase electric meter is the most advanced static electronic meter in china. the meter designs use large - scale intergated circuit. high reliability step motor, it can the ac single - phase active energv voltage rating : 220v : frequency 50hz, positive and negative two directions and accumulates in one direction. the test singnal is isolated by phototransistor : it also has the function of anti - fraud, and indicates it s operation situation on flash light, so it could be managed very easy

    Dds951單相電子電能表,是金雀儀表公司開發的新型電度表。該產品是採用模專用集成電路,高可靠性步進電機等先進技術製造的國內最新電能試題新產品,用來計量額電壓為220v ,為50hz的交流單相有功電能,該產品能夠精確計量正負兩方向的有功電能,且以同一個方向累計。
  8. Verification regulation of rubidium gas cell frequency standards

    銣原子標準檢
  9. Chapter 4 designs and determines the parameters of the algorithm adopted in the instrument system. analyzes and compares the different effects to frequency estimation when using digital filters with different group delay ; determines the data length, a parameter of frequency estimation ; introduces the method of available judgment of sensing signal and determines the judgment threshold as well

    第四章設計和確了儀器系統軟體演算法的部分參數:分析和比較了不同群延遲特性的數字濾波器對估計的影響;確了影響估計參數?數據長度的取值律;給出了判斷傳感信號有效性的檢測方法並確了檢測門限的取值律。
  10. In designing the complex weights for center frequencies of each sub - band, an optimizing method using semi - definite programming " is proposed

    在設計各子帶中心上的恆束寬加權時,提出了一種半劃的優化方法。
  11. Abstract : a new algorithm applied to the fixed channel assignment in the cellular pattern is proposed. it is based on the theory of evolutionary algorithm. it uses the concept of multiple reuse plan ( mrp ) and solve the problem of large scale through blocking algorithm, and it is a fast 、 efficient and parallel searching method. it has been used in frequency plan system of beijing university of posts and telecommunications. it has been used in several plan project for some city, and been adopted because of its good performance

    文摘:提出了一種新的用於蜂窩移動通信中小區劃的固分配演算法.它基於遺傳演算法的基本理論,運用多層復用的概念和分塊演算法解決了大模區域的劃問題,是一種快速、高效的并行式搜索的分配演算法.該演算法已用於北京郵電大學的劃軟體系統中,並用它為幾個市區作過劃,效果滿足要求,且已被采納
  12. For farther research in practical status and birth mechanism of information man - oeuvre rent seeking, the thesis usees decision - making and game theory to build gamemodel, linking to character of information manoeuvre rent seeking and adding some hypothesis and parameter. use typical sampling with punish decision from security monitor committee of china, and do positive research, result shows that from those years information manoeuvre rent seekings in china have been in a high frequency state, many prescripts of < security law > have not been enforced well on checking of lawless cases, degree of punish cant hold back the information manoeuvre rent - seek - ing impulsing. at the effective monitor of stock market, not only probability of check is low, but rate of succeed is low too

    實證研究結果表明,近年來,我國證券市場的信息操縱行為處于高狀態, 《證券法》的有關處罰在現實中沒有得到嚴格的實施,懲罰力度不足以有效遏止市場的尋租沖動,在市場有效監管上,不僅稽查的概偏低,而且稽查的成功也有待提高,合理改進稽查概、稽查成功、懲罰力度、中小投資者抗租能力等相關參數,是提高市場效的有效途徑。
  13. The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization

    本文利用1956 2000年保市的長系列降雨資料,對保市降水量進行了分析、年內變化分析和多年變化分析,明確了保市降水量年內、年際間的變化情況:保市降水量年內分配不均,汛期( 6 - 9月)占年降水量的81 。保市降水量年際間變化大,豐水年和枯水年交替發生, 70年代以前以豐水年段為主; 70年代到80年代前期降水量豐枯交替繁,總的接近於枯水年段; 80年代後期至今以枯水年段為主。這種降水分佈律對農業生產雨水資源的高效利用具有重要的指導意義。
  14. Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead

    通過分析不同焊接范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩
  15. Stationary phase method shows that by using information along the ridge defined by the phase on transformed domain, original signal could be represented and reconstructed

    利用穩位相法的近似公式分析可知,脊上分佈參數包含的信息與信號瞬時變化律密切相關,並且可以用來對信號進行重建。
  16. The technical regulations for frequency sharing between the broadcasting service and the mobile and fixed services in the vhf uhf bands

    Vhf uhf段廣播業務與移動和固業務共用技術
  17. Blank detail specification - case - rated bipolar transistors for high frequency amplification ; german version en 150007 : 1991

    空白詳細范.高放大額雙極晶體管
  18. Verification regulation of wide band frequency stability measurement set in time domain

    度時域測量裝置檢
  19. Add hardness test for the raw material and finish parts to the drawing and inspection standard, and set suitble test frequency to ensure the pats conformance with the standard

    3在圖紙和檢驗標準中增加原材料和成品零件硬度檢驗的,設合適的檢驗,確保零件符合標準要求
  20. Rules for the preparation of detail specifications for pulsed fixed - frequency magnetrons of assessed quality

    經質量評的固脈沖磁控管詳細范編制
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