瞬時接通 的英文怎麼說

中文拼音 [shùnshíjiētōng]
瞬時接通 英文
momentary connection
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 通量詞(用於動作)
  • 接通 : 1 (撥通電話) put through; connect; get through 2 (連通) [電學] close; close up; cut in; (key...
  1. Intermodulation suppression for fh ( frequency hopping ) receiver is designed by selecting the intermediate frequencies and changing group of filters, local oscillation ( lo ) frequency, bandwidth of lo frequency under the condition that receiver configuration, sensitivity, dynamic range, instantaneous bandwidth and precision of frequency measurement are fixed

    摘要針對跳頻收機的體制和靈敏度、動態范圍、工作帶寬、測頻精度等設計參數,過改變預選器組成、本振頻率和本振帶寬,分析道的中頻選取原則,以實現跳頻收機的互調抑制設計。
  2. In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector

    間分辨譜測量方法的主要思想:使用特殊光束調制器把光譜隨間的變化過程轉化為光強的空間分佈,經色散后,以二維探測器收並轉換光信號為電信號,用用計算機控制採集並處理光譜數據。
  3. During the instantaneous frequency estimation of lfm, there exists some error in the edge, so in the dissertation, a fitting method is proposed to modify it. from the computer simulation, the following result is obtained : for cw, the method based on cwt is most effective, and with the snr rising, the error curve of it is more and more closer to crb. for lfm, the method based on wvd gives the best result, and the effects of cwt and stft are similar for multi - component signal, compared to stft and wvd, cwt is a better choice

    過模擬發現,在單頻回波的頻率估計中,基於cwt的方法最為有效,隨著信噪比的提高,其均方誤差曲線越來越近克拉美?羅界;在線性調頻回波的頻率估計中, wvd法得到的效果最好,而cwt與stft法的估計效果比較近;在多分量信號的頻率估計中,相對于stft和wvd法, cwt法是一個更好的選擇。
  4. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直無法分辨編隊目標的架數,我們借鑒isar的技術,過較長間的相干積累,在多普勒頻域上對目標進行分辨。而對于編隊目標,可分為近似剛性的多目標和非剛性的多目標,所以對于可以近似為剛體的編隊目標相對位置固定,運動方式一致,可以近似看作一個大目標,採用最小墑準則對平動相位的進行補償,但是大多數並不滿足剛體近似的編隊目標,由於目標在相干積累間的多普勒頻率近似呈線性變化,過對較短數據利用relax的頻分析方法,提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累間,所以利用radnwigner變換得到的一維橫向距離像大大提高了對編隊目標的分辨,對模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  5. Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve

    建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型,過對非線性方程組的迭代求解,得到齒面方程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線方向的曲率參數,得到了觸橢圓的參數。根據設計參數和機床調整參數繪制了工作齒面的觸軌跡和觸區圖形,並求得了傳動比的誤差曲線。
  6. Solid model of the involute worm gearing solid model with drive ratio 1 / 50 is built by using ideas - 5. 0, then the elastic contact analysis is proceeded on the basis of contact fem. the dynamic evolution image of the area of the contact zone, the load sharing among instantaneous meshing tooth pairs, the distribution of the contact force, and tooth stress are obtained. 3

    過漸開線圓柱蝸桿、蝸輪的齒面方程式,利用ideas - 5 . 0軟體建立了傳動比為1 / 50的漸開線圓柱蝸桿傳動的實體幾何模型,在此基礎上應用觸有限元方法對該傳動進行了彈性觸分析,包括觸區的形狀、位置、載荷在嚙合齒對的分配狀況; 3
  7. Then after analyzing the heat conduction in laser diode array, we simply simulate the transient thermal behavior of high power laser diode array and build a two dimensional static model of temperature distribution of it by fem ( finite element method )

    著分析激光器陣列中熱的傳導,簡單的模擬工作工程中態溫度的變化。然後過有限元分析法,建立二維溫態分佈,得到穩態工作,大功率激光器陣列中晶元和載體的溫度的空間分佈。
  8. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析,提出了給定參考矢量所在區間判斷的簡化方法,以及電壓矢量作用間的求取方法;分析了電流滯環控制策略,推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系;應用功率理論分析pwm整流器功率控制原理,過虛擬磁鏈估計有功功率和無功功率,用matlab實現了直功率控制,並驗證了該控制方法的正確性。
  9. The key technique of telemetry digital diversity receiver is diversity technique, which combines independent multi - path signal or extremely irrelevant multi - path signal at less, and improves instant snr and average snr in receiver and enhances communication quality. there are many irrelevant multi - path signal in wireless

    遙測數字分集收機一個重要關鍵是分集技術,分集技術是對獨立的或至少是高度不相關的多徑信號進行相加,從而改善收端信號的信噪比和平均信噪比,提高信質量。
  10. I find this instantaneous method usually projects you straight into a subjective location created by the visualisation of your target

    我發現,這種旅行的方法常將你直投射至由對你的目標的觀想所創造出來的一個主觀的場所。
  11. The expression of scfvs fusion protein were detectable by fluorescence microscope directly and indirect immunofluorescence and immunohistochemistry analysis after transient expression in cos - 7

    轉染cos刁細胞后,過熒光顯微鏡觀察、間免疫熒光檢測、免疫組化檢測證實了scfv融合蛋白的表達。
  12. General specification for instantaneous frequency measurement receiver

    測頻收機模塊用規范
  13. When the contacts are connected into direct circuit, we can judge whether the contacts are open or not through analyzing the voltage instantaneous values across the two contacts

    當有觸點電器的觸頭入直流電路中,可過觸頭兩端電壓值來判斷它是打開還是閉合。
  14. This paper has proposed one new way of thought of differentiating the fault type. after observing the physical course of the single - phase grounding of transmission line, analyzing by the wavelet transformation the transient signals sampled during the fault period from the moment that single - phased grounding occurs to the moment that line breakers work, we can distinguish temporary fault from permanent one through the wave form

    本文提出了一種不同於現有故障類型判別的思路,過考察線路單相地故障的物理過程,利用小波變換理論分析處理線路單相性故障和永久性故障在故障發生后斷路器開斷前間段的暫態信號,過波形識別區分兩種故障。
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