有效發射信號 的英文怎麼說

中文拼音 [yǒuxiàofāshèxìnháo]
有效發射信號 英文
effective signal radiated
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 發 : 名詞（頭發） hair
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 有效 : effective; valid; efficacious
  1. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面：對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析，並研製了現場所使用的滾動軸承故障檢測裝置，將無量綱參數診斷法應用於段修現場，且做了大量試驗；對于現場試驗中所出現的問題進行了分析，提出將聲發射的方法用於軸承的在線故障診斷；從理論上分析了聲發射現象，從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法，並在實驗室中，採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析，證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  2. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  3. For high stability of the system, with the realization of hardware of the system, the second part of this paper starts from the transmission line theory, and studies the signal integrity problem of high - speed circuit system in light current. the causes of these signal integrity problems, such as signal delay, reflection, crosstalk, ground bounce noises and etc. are analyzed in theory. combined with actual design, key points of design and standard design flow of general high - speed, high - precision printed circuit board are summarized, which has been applied in actual system, and good effect has been achieved

    為使系統具有較高的穩定性，本文第二部分結合該處理器的硬體實現，從傳輸線理論出發，研究了弱電情況下高速電路印刷電路板中的信號完整性問題；從理論上分析了延遲、反射、串擾以及地彈噪聲等信號完整性問題產生的原因；結合實際設計，總結了一般高速、高精度印刷電路板的設計要點和標準設計流程，並在實際系統中獲得了應用，取得了很好的效果。
  4. Frequency diversity technique is effective in suppressing age if the frequency interval is big enough to remove off the correlation between the pulses transmitted by radar, wide - band mmw radar can satisfy the requirement but conventional microwave radar can t

    頻率分集技術抑制目標角閃爍的有效性，取決于去除脈間相關性的性能，即要求雷達發射信號必須有較大的頻率間隔，寬帶毫米波雷達正好滿足了這一常規微波雷達不能滿足的要求。
  5. From wave equation, under small signal approximation, a theoretical calculation of shg efficiency and acceptances is presented. according to this, the acceptances of wavelength, period, temperature and incidence angle are calculated. these will guide the experiment and the fabrication of optical supperlattice ( osl )

    2 、從波動方程出發，在小信號近似下，推導了qpm倍頻公式，分析了波矢失配的起因及影響，從理論上推導了波長，周期，溫度和入射角的接收帶寬，討論了占空比對輸出效率的影響，對介質制備及實驗有一定的指導意義。
  6. Abstract : under market economy condition, the factors of market failure are various. ? information asymmetry is the most important one. ? it will bring crash on the market. ? attestation and authorization can avoid reverse action and information asymmetry, maintain market action and public advantage, remove market failure and maintain market stabilization

    摘要：市場經濟條件下導致市場失靈的因素是多種的，信息不對稱是其中一個重要原因；由信息不對稱而導致逆向選擇的產生，最終使整個市場崩潰；而認證認可作為一種可信度高的、有效的市場信號發射模式，避免逆向選擇行為的產生，消除信息不對稱，規范市場行為，優化資源配置，維護公眾利益，從一個方面消除了市場的失靈，維護了市場的穩定。
  7. Moreover, multiple frequency stimulation method can increase consumption of ic obviously and surface diffuse reflection method can improve surface emission coefficient of ic availably

    混和信號激勵法能明顯增大三極體放大電路耗散功率，特別是第一級耗散功率；增頻激勵法能有效提高ic耗散功率；表面漫射法能有效增大元器件的發射系數。
  8. The fundamental principle of this system is as follows. divide the incident beam into two beams, one of which passing through variable optical delay ( vod ), then combination of the two beams with the same amplitude and delay - superposition is sent to bi - photon detector and transformed into current signals, whose intensity is proportional to the intensity of bi - photon autocorrelation signals

    本系統的主要原理是:把入射光分為兩束，讓其中一束光通過一個可調光纖延遲線，再把這兩束具有相同幅度並延時重合的光合路後送進雙光子探測器，該探測器同時吸收兩個光子發生雙光子效應從而產生電流信號，且其大小與雙光子自相關信號的強度成正比。
  9. Numerical results show that if appropriate delay times of sources are exerted on elements of phased array, direction of acoustic beam radiated from the phased array can be steered so that the refracted compressional wave and the refracted shear wave can be excited effectively

    結果表明，只要在相控線陣的各陣元之間施加合適延遲時間的激勵信號，就可以調整輻射器的輻射聲束的方向，以有利於激發滑行縱波和滑行橫波；只要採用相對較低的頻率或使用加權相控線陣，就可以增大相控線陣的輻射主瓣角寬，以利於在任意地層有效激勵滑行縱波。
  10. The author bring forward the devise scheme to design the new type reader based on the ti s6700 reader ic while getting full understanding of the relevant theories and fundamentals about the rfid system, thus to realize the data collection, storage, display and transmission across a long way and enhance the reading distance through adding power amplifier and improving the antenna design

    本文作者在對rfid系統的相關理論和技術深入研究的基礎上，提出採用tis6700閱讀器晶元集成化設計新型閱讀器的方案，實現數據採集、存儲、顯示和有效遠距離傳輸，並通過在信號發射埠增加功率放大模塊的方法提高閱讀器的有效閱讀距離。
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