負衰減 的英文怎麼說

中文拼音 [fùshuāijiǎn]
負衰減 英文
negative attenuation
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 衰 : 衰動詞（衰弱） decline; wane
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. Microwave microelectronics. attenuators and loads

    微波微電子學.衰減器和負載
  2. There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines

    發生斷線故障以後，線路中會出現負序電流的突變，可以作為故障啟動判斷的標志，並且通過分析得出了故障時負序基波電流的相位特點。在故障暫態過程中，故障電流中含有大量豐富的諧波成分，各次諧波在故障期間有突變，並且衰減很快。
  3. The ratio of the average power loss to the power loss under peak loading

    平均能量衰減與峰值負荷時能量衰減的比值。
  4. The results show that : nano - nickel powder is not useful for mh electrode during the high rate discharge phase as a conductor or additive ; superfine nickel powder is applicable for the conductor of the negative because of the good performance especially the cyclic stability at 1c rate by using 5 % ( mass percentage ) nickel powder ; the utilization of alloy, specific mass and volume capacity are increased with the decreased particle size of nickel powder in negative, however, the capacity fading rate at 1c discharge rate is also increased, so the capacity and the cyclic stability should be taken into account to make a choice of the particle size

    結果表明： mh電極中加入納米鎳粉對負極的大電流放電性能不利。 mh電極中加入超細鎳粉后電極綜合性能好，尤其是1c循環穩定性，其最佳添加量為5wt 。減小鎳粉粒度提高了電極合金利用率、質量比容量、體積比容量，但增大了負極1c容量衰減率，因此鎳粉粒度的選擇應綜合考慮mh電極容量和循環穩定性。
  5. It is indicated in the test that the influence of loading to strain in the grout was about in the range of 5 ~ 6m, and very weak beyond 4m. the distributions of strain and bond stress in the grout are attenuated in the minus exponential rule

    試驗結果表明，加載對錨固段內的應變影響范圍大致在5 6m左右， 4m以外很微弱；錨固段注漿體內的應變與粘結應力分佈按照負指數規律衰減。
  6. Great intermittent noise, wide variety of impendence along with the load and great attenuation of signals have restricted the further utilization of power line

    但是，電力線通信通道存在間歇性噪聲大、阻抗隨負載變化大、信號衰減大等缺點，嚴重製約了它的有效利用。
  7. In the past four years, we provided tax relief to every person who pays income taxes, overcome a recession, opened up new markets abroad, prosecuted corporate criminals, raised homeownership to its highest level in history, and in the last year alone, the united states has added 2. 3 million new jobs

    在過去四年中，我們減輕了所有納稅人的所得稅負擔，克服了經濟衰退，開拓了新的國外市場，起訴了犯罪的企業領導人，將住房擁有率提高到歷史上的最高水平，僅在去年一年，美國就增加了230萬個新的就業機會。
  8. In the paper, prescale technology, interpolate method, averaging method and multiple period synchronization method are used to measure the frequency accurately. diode demodulating technology, and power attenuated method or probe coupling & water load technology are employed to measure the power of high power microwave. isothermal technology is used to improve the stability of demodulator and to expend the range of square linear region

    本文採用預分頻法、內插法、多周期同步法、平均法實現了頻率的精確測量;利用二極體檢波技術，結合衰減法或探針耦合+水負載技術實現了大功率微波功率的測量;採用恆溫技術提高了二極體檢波器穩定度;完成了單片機串口通信協議設計和系統電磁兼容的分析和設計。
  9. The opinions of experts on this subject are as follows : people in middle age are in a more stable stage of life, while people in old age have entered the deterioration stage. since people in old age engage in less activity and suffer from physical depletion, they should reduce their intake of food accordingly. otherwise, it is very easy for them to become overweight, which is a great enemy to the health of the elderly

    專家的看法：人到中年，屬于穩定期，進入晚年，更是衰老期，人步入晚年，活動減少，消耗減少，因此食量也應相對的減少，否則極易造成肥胖，而肥胖是老年健康的大敵，人到老年期，一切機能都在衰退中，如不適量地減食，會造成消化器官負擔過量，易染胃腸疾病。
  10. Railway applications - track - test methods for fastening systems - determination of attenuation of impact loads

    鐵路設施.軌道.緊固系統的試驗方法.沖擊負載衰減度的測定
  11. Normal - mode attenuation coefficients for shallow water with negative sound velocity gradient and sandy or muddy sediment bottom

    質海底的負聲速梯度淺海中簡正波的衰減系數
  12. This testing system is based on the pxi bus virtual testing system. there are many secondary types of equipments in the system. such as the programmable power supply, high voltage probe, high voltage relay, high voltage load and pneumatics

    本文以pxi總線虛擬測試系統為核心，輔以程式控制電壓源、高壓衰減探頭、高壓繼電器、高壓放電負載及氣動裝置，分別設計組裝了主機櫃與測試櫃，完成整個自動測試進程。
  13. Sub - c mh - ni power batteries were prepared with excellent electrochemical performance based on the research of the high rate performance at different temperature. the change of temperature, impedance and weight loss was investigated in the process of recycle at high rate. it showed that the discharge time is 5. 9min at 10c and the middle voltage is 1. 05v

    三、根據對電池大電流和溫度性能的研究，研製了具有較好電化學性能的動力型鎳氫電池，並分別測試了電池在大電流循環過程中的溫度、內阻、重量和正負極板等的變化情況，以此分析引起電池性能衰減的原因。
  14. We think increase of the internal resistance of battery is the main problem to the recycle life deteriorating at high rate, besides the influence of the materials. decomposition occurred on positive and negative electrode at high rate current and the interspaces increased. the restrains of swelling and the increase of an oxygen overvoltage can improve the performance of recycle life

    對于電池性能衰減的原因，認為除了所使用的材料是影響電池性能的重要因素之外，在溫度和大電流作用下，電池的正負極材料發生裂解，極片內空隙增大，電池內阻性能惡化是引起電池高倍率循環性能惡化的關鍵;通過抑制正極析氧和膨脹，並降低負極合金材料的粉化過程，將有望緩解電池內阻特性的惡化，從而提高電池高倍率充放電循環性能。
  15. The investigation of the measure principles of direct current attenuation method, voltage integral method, and direct load method

    較為深入的研究了直流衰減法、電壓積分法和直接負載法的測試原理。
  16. Avm is essentially a precision array film attenuator, which has a big diameter, high power load, continuous adjustment. the gain of each beam of the main amplifiers is controlled independently by the adjusting the angle of each cell of avm

    Avm實質上是大口徑、高功率負載、透過率連續可調的組合式精密薄膜衰減器，通過調節avm各單元偏轉角度大小來獨立控制住放大器各路的增益。
  17. High speed, high damping factor, with reduce / gain, full protect system, special heat radiator, excellent components. it can work at 2, 4, 8

    本機其特性為高速度、高阻尼系數、帶衰減/增益切換等等功能、完整的保護系統，獨特的散熱設計，精良的元件，可輕松承受2 4 6 8負載。
  18. Also, any negatively refracted wave would be rapidly smeared out in only a few wavelengths by dispersion, which valanju maintains will always be a major problem in a negative index material

    此外，負折射波將在幾個波長內因色散而快速衰減，瓦藍朱認為這將是負折射率材料最大的問題。
  19. Using the two - station methods, the fundamental - mode interstation attenuation coefficients y was calculated. in order to avoiding the negative attenuation coefficients y

    為了避免計算出負的衰減系數的問題，本文提出了用頻率域維納濾波的方法來進行改善。
  20. The equipments and methods were on the level of manual operation, hi this paper, author paid a systemic research into three kinds of measure means : direct current attenuation method, voltage integral method, and direct load method ; theoretically analyzed the measure methods of synchronous armature reaction reactance, and even developed a test system to automatically measure the synchronous armature reaction reactance

    作者對直流衰減法、電壓積分法和直接負載法這三種測試方法的測試原理進行了較為深入、系統的研究，從理論上分析了同步電樞反應電抗參數的測試方法，並在此基礎上開發出能夠自動進行同步電樞反應電抗參數測試的系統。
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