頻波 的英文怎麼說

中文拼音 [bīn]
頻波 英文
frequency wave
  • : 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...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性相位匹配濾器的輸出信噪比的損失程度、對多卜勒率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾器輸出受加速度影響的容限等問題。
  2. In other words, the frequencies of those waves should be constant in time and space a priori

    換句話說,那些率根據推斷在時空上是常定的。
  3. Radio - frequency wave used to treat the prostate hypertrophy

    頻波治療前列腺肥大
  4. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對前畸變的檢測和液晶空間光調制器及其對中前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低畸變前對激光光束焦斑聚焦性的影響,並採用描述中前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。
  5. When egg cell hormone directly act on the milk secreted from hypothesis, the breast can thoroughly absorb fat and expand the sponge organization so the breast will lift slowly. according this theory, e - mini cpu nanometer underwear adopt the stimulation of the magnetized wave imitative the same formulation of the nervous system to the growth of egg cell hormone and make you have a plentiful breast

    使乳房更完善地吸收脂肪,海綿體增大,從而乳房便會逐漸隆起, e -美人微電腦納米美胸寶利用磁頻波原理,模擬神經系統同等方式的磁頻波與生物電流刺激,促進卵細胞荷爾蒙成長,使胸部重新發育,達到自然豐滿效果。
  6. Harmonics can be added to a wave which has a single frequency to produce a complex wave.

    諧音加在單頻波上產生復
  7. Experimental studies on the influences of the deflected plates upon the oscillations were focused on the attenuations of sound pressures of the oscillations with the bent plates of various angles and lengths. the results show that the bent plates with angels of 30 ~ 60 and a length about an oscillating wavelength diminish the sound pressures notably. with the same angle of 45, the half - wavelength bent plates diminish the pressures, and the one - wavelength or longer bent plates do better

    結果表明,當折轉角為30 60和折轉長度( b )與振蕩長( )相當時( b / 1 . 0 ) ,折板具有顯著的削弱振蕩聲壓的效果;折轉角45時,折板長度與振蕩基頻波長之比b /在0 . 5 ,折板就有削弱振蕩聲壓的效果, b /在1 . 0或更大時削弱效果更佳。
  8. Rfid antennas we research operate at 915mhz, which belong to vhf, therefore microstrip patch antenna is adopted as base station antenna and various balanced dipole antennas are employed as tag antennas. then, a brief introduction is given on the radiating principles of the microstrip antenna

    由於本課題所研究的rfid天線主要工作於915mhz ,屬于甚高頻波段,因而基站天線主要採用微帶貼片型,標簽天線主要採用各種對稱振子型天線。
  9. 5. otherwise, the applicability of cube comer array in the wide spectrum high power solid - state laser facility was researched as a relatively absolute part in this paper. through simulation, the action of cube corner array to reduce beam ' s focal spot size was testified visibly, and the smoothing effect of beam ' s modulation caused by cube corner array was proved primarily on the wide spectrum condition

    另外,作為一部分相對獨立的內容,本文對寬帶激光傳輸條件下採用角錐棱鏡陣列抑制低頻波前畸變的設想進行了探索性的研究,通過模擬模擬驗證了角錐棱鏡陣列具有抑制低頻波前畸變、提高激光焦斑能量集中度的顯著作用,並初步驗證了寬帶激光傳輸條件下近場振幅高調制的勻滑效應。
  10. The whole pwm circuit contains two subcircuit, the front - end is pwm module that make up of the counter that based on nine mosfet true - single - phase - clock d flip - flop ; the back - end is demodulated module, which is consist of a three order chebyshev low - pass filter used trans - conductor capacitor. all the subcircuits are simulated. at last, an approving simulated result of the whole circuit is given too

    在調制部分,利用九管單相時鐘d觸發器構成計數器,並由此組成了脈沖寬度調制電路,同時給出了在典型溫度下的模擬結果;在解調部分,介紹了低通濾器從無源到有源的設計方法,設計了三階切比雪夫低通跨導電容濾器,同樣給出了相應的模擬結果;最後,作為將脈沖寬度調制電路和濾器作為整體電路,以脈沖調頻波為輸入進行了模擬,取得了令人滿意的結果。
  11. Abstract : a software method of frequency - modulated signal demodulating based on wavelet packet is proposed in this paper. a variety of frequency - modulated signals are analyzed in time - frequency domain and the spectrograms are presented. this method can detect instantaneous frequency effectively and get frequency - modulated information, can be widely applied to dynamic testing and software radio

    文摘:提出了基於小包的調頻波解調方法,通過對各種調信號進行時分析,給出了信號的時間?率譜圖,能有效地檢測到瞬時率和獲取調信息,該方法可廣泛應用於動態測試和軟體無線電等領域。
  12. Frequency - selective waveguide

    頻波
  13. A high frequency secondary instability mode is detected, which rides on the primary instability wave in time domain and appears at the inflectional point of mean streamwise velocity profile

    結果表明,高二次不穩定性在時域上表現為騎在基頻波的特定的相位區域。
  14. On the basis of traditional chinese medicine channels and collaterals study and bionics, the e - mini cpu underwear adopt the technology of the digital medical treatment to make especially, the magnetized wave of the e - mini cpu underwear can adjust the endocrine and ultimately stimulate the growth of the breast cell in the milk to make you have the beautiful breast without any side effect occurred by the operation. the magnetized wave repeatedly massage and stimulate on the breast, with promotion the blood circulation in the breast, and providing the sufficient nutrition to the breast to make the breast develop secondly

    E -美人微電腦納米美胸寶主機所產生的生物磁頻波能調節人體內分泌,產生胸部肌肉運動,加速乳房血液循環,刺激卵細胞的促乳素,進而乳素中脂肪細胞的生長和增大,她所產生的磁頻波率對乳房產生反復的調節和協助運動,充分調動您自身的生理潛能,促進乳房的血液循環,為乳房提供充足的營養,加強乳房的代謝,讓乳房健康成長刺激乳頭,促使體內產生高水平的荷爾蒙女性激素,激活休眠細胞,啟動乳房組織二次發育。
  15. At the same time we obtained that the shg conversion efficiency of the flattened gaussian beam is higher than that of the gaussian beam under the same condition ; in section 3, we have computed the theoretical conversion efficiency of the thg on the flattened gaussian beam, where we also have worked out the type - i and type - 11 ( 1 ) thg conversion efficiency curves versus the same effectors, and found the flattened gaussian beams thg conversion efficiency is higher than that of the gaussian beam too ; in the section 4, we have simulated the field distribution of the shg and thg wave on the flattened gaussian beam

    在相同條件下,得出了平頂高斯光束的倍轉換效率高於高斯光束的倍轉換效率;第三章對平頂高斯光束在clbo晶體上的類和類混轉換效率與其影響因素的關系進行了數值模擬和計算,並同高斯光束進行比較,同樣得到混時,平頂高斯光束的轉換效率高於高斯光束的混轉換效率的結論;第四章模擬計算了平頂高斯光束的倍、混頻波橫向光場的分佈形式,得到了諧場仍為均勻平頂高斯光束的結果。
  16. The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc

    試驗表明,這類變換器具有高電氣隔離、電路拓撲簡潔、兩級功率變換( lfac hfac lfac ) 、功率密度高、雙向功率流、無音噪音、變換效率高、網側功率因數高等優點。為新一代正弦交流穩壓器、電子變壓器、交流調壓器、同頻波形變換器的實現奠定了關鍵技術基礎。
  17. Summarize of the development of intelligent instruments and meters technology

    基於虛擬儀器技術的工頻波形分析系統
  18. Depending on the numerical model proposed, the effect of accelerations of soil skeleton and porous fluid on the dynamic response of elastic seabed is examined. it is possible that the amplitudes of effective stresses in large - thickness seabed to high - frequency waves would be underestimated in some regions if the accelerations were overlooked. the responses of layered seabed, seabed with gentle slope and the seabed unde

    根據所提出的廣義blot固結理論計算模型,通過線性數值分析考察了加速度項對海床動力響應的影響范圍及影響程度,指出對于高頻波浪下的大厚度彈性海床,忽略加速度項可能低估某些范圍內的有效應力幅值,而傳統的加速度作用判別準則並不總是成立的。
  19. We use computer audio technology to export a set of speech materials and their audio signals to the audio - input interface of madsen orbiter 922 as speech benchmark signals

    在臨床聽力計的基礎上,計算機將所選取言語材料的普通話數字音頻波形,經聲卡的音介面輸出至聽力計的音介面輸入端,再由聽力計放大至不同強度的聲音作為言語聽力的測試信號。
  20. The characteristics of low frequency plasma wave propagation affected by parallel current

    平行電流條件下等離子低頻波動的特徵
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