頻譜的 的英文怎麼說
中文拼音 [bīnpǔde]
頻譜的
英文
spectral-
At the other end of the technological spectrum, the american bible society produces an audio device, powered by a battery or hand crank and no bigger than a couple of cigar boxes, that can broadcast the bible to a crowd of a hundred
而在技術頻譜的另一端,美國聖經公會生產了一種音頻設備,採用電池或手搖發電,不過兩個雪茄盒大小,就能向上百的人群播放聖經。Formant : it uses the estimation of the overall shape of the spectrum ' s amplitude envelope
共振峰:使用了對頻譜的振幅包絡線的大體形狀所作的估計。The watermark is embedded in the lpm of fourier magnitude spectrum of the original image, and a small portion of resulting lpm spectrum is used to calculate the watermark positions
在文章中,首先對原始圖像進行傅里葉變換,然後再將數字水印嵌入在該傅里葉變換的幅度頻譜的對數極坐標域。The treatment of laser noise and its effect on the laser noise spectra up to this point involved semiclassical arguments.
到目前為止,都是用半徑典理論處理激光噪聲及其對激光頻譜的影響。In recent years, the worldwide researchers pay much attention to fourier telescopy. it is an active imaging technique that encodes the information in the temporal instead of spatial domain, then receives the speckle and deposed of it to reconstruction the object image. now, the high - resolution technique is under the condition of deeply researched
它是一種主動式干涉成像技術,這一技術通過時域內的相位的調制完成直線條紋對目標的掃描,從而達到對深空目標頻譜的抽樣,然後接收其散射回波,對回波信號進行處理,進而還原出目標的像。In order to avoid spectrum error due to energy leakage, the thesis research on identification of parameters of two close frequency components in discrete spectrum analysis, and simulation result shows the validity of the method
針對由於能量泄漏造成的頻譜誤差,深入研究了密集頻譜的頻域參數識別法,從理論上加以推導,並通過模擬證明了該方法的有效性,可以識別1個頻率解析度以內的兩臨近頻率分量。The method of compressing bandwidth of fringe function is proposed that basis fringe contains discrete spectrum which is based on human vision for real - time display, we also introduce discusses the spatial light modulators ( slms ) based on display system of digital holography and theory of numerical reconstruction of digital holography
為了達到實時性要求,在滿足人眼視覺的光信息量基礎上,對帶寬壓縮的理論問題進行了研究,提出了基於離散頻譜的帶寬壓縮演算法,並給出了結果。On the basis of the equivalent circuit diagram the solid - solid and the composite - electrolyte interfaces, contributed their impedance in the relatively high and low frequency regions
第三部分是探討不同粒徑大小氧化釕奈米微粒復合電極在不同電位下之阻抗頻譜的變化,進而由等效電路圖來解釋其涵蓋的物理意義。The characteristics of the ground clutter are analyzed and presented. the development and the theories of clutter suppression of airborne radar are desicribed systematically
首先分析總結了地物雜波頻譜的組成特性,系統地闡述了機載雷達雜波抑制的基本理論及其發展動態。The bubbles in diesel engine fuel injection system are studied. the frequency structure of pressure wave with bubbles bursting , as well as relation of types of bubbles and frequency spectrum , is expounded
採用頻譜分析法對柴油機燃油噴射系統中的汽泡進行了研究,分析了汽泡潰滅造成壓力波振蕩的頻率結構特性,並論述了汽泡與壓力波及其頻譜的關系。The relation between the spatial singularity of ultrashort pulsed beams and the spectrum
超短脈沖光束空間奇異性與頻譜的關系Experimental configurations for measuring and displaying these spectra are sketched in figure 13. 7.
測量和顯示這幾種頻譜的實驗裝置見圖13.7。Specific regions of the spectrum can be identified by any one of three basic parameters: frequency, wavelength, or energy.
頻譜的特性可用頻率、波長或能量三個基本參數中的任何一個來表示。Along with the development of the technology of the wireless communication particular the modern modulation and software radio technique, meantime the employ of wireless frequency are more presser, the development of the receiver tend towards high performance and high integration
隨著無線通信技術特別是現代調制體制和軟體無線電技術的快速發展,且無線頻譜的擁擠程度日益加劇,無線電接收機在設計和實現上越來越趨向于高性能、高集成度方向。Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small
文摘:把粉體阻尼技術首次用於冷鋸機夾盤的減振降噪,通過對其降噪效果及頻譜的測量分析,發現粉體阻尼不但是一種簡單實用的技術而且對夾盤的強度和固有特性影響小。On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former
作者提出了一種基於帶通采樣定理的抽取器數學模型,對該數學模型進行了時域、頻域的分析證明后,設計了一種基於該數學模型的抽取器,進而根據無線電射頻信號頻譜的特點,提出了高效混合濾波器組adc系統,其數字信號輸出速率比高速混合濾波器組adc系統降低m - 1倍。The emphasis of the thesis is base - band signal shaping and programmable interpolation algorithm. we introduce the basic theory of base - band signal shaping, and the effect of the digitizing of the ideal raised cosine rollof signal g ( t ) is attentioned. the shaping filter parameters are determined based on the system specifications, and the simulation results are given
首先從降低鄰近碼間干擾原則出發,討論了基帶成形的基本原理與升餘弦滾降濾波器的時頻特性,重點分析將理想的滾降波形g ( t )數字化后對頻譜的影響,並且根據系統指標,確定了各項參數,給出了具體的設計舉例和模擬結果。In this paper the main work includes the analysis of the rotation of special angles, the range of rotation angles in cordic algorithm ; analysis on what condition should be fulfilled to reach any target angle ; analysis and simulation on error band and output spectrum ; imple - mentation of the architecture on fpga device
我所做的只是很小一部分,主要包括對cordic演算法中特殊角的旋轉和旋轉角度范圍;在何種條件下可以達到任意角度的分析;對許多問題比如誤差上限和輸出頻譜的計算機模擬;這種結構在fpga器件上的實現。The refinements made to the original methodology are based upon not only the abroad new research about noise evaluation, but also upon the thought of the domestic base of current noise evaluation. the procedure involves not only considering the noise sound pressure level, but also considering the speech interference level and noise spectrum balance problems, which offer enough information about building noise environment for engineer and owner
該評價方法借鑒了國外在噪聲評價方面最新的研究成果,同時也考慮了國內目前的噪聲評價狀況,該方法不僅僅考慮了噪聲聲壓級一個因素,同時還考慮了語言干擾級,以及噪聲頻譜的平衡性等問題,給工程人員以及建築業主提供了建築聲環境方面充足的信息,這是很有意義的。This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl
本文以電信現在推出的adsl傳輸中鏈路經常掉線和傳輸速率經常大范圍波動為例,重點分析了adsl所使用的dmt調制方式和注水演算法分配通道載荷方式原理,由此指出adsl對噪聲信號敏感的根源,在得到問題的根源之後,分析了窗函數和柵欄效應對頻譜的影響,採用fft方法計算adsl線路的噪聲功率譜,為adsl線路測試提供了可靠的理論依據。分享友人