frequency field造句
例句與造句
- Deep flaw information in missile engine composite structure is very weak and its echoes overlap badly in time field and frequency field , which lead to the difficulty in information abstraction
摘要導(dǎo)彈發(fā)動機深層信息非常微弱，而且多次回波的時域頻域嚴(yán)重重疊，信息提取難。 - 2 . from the finite element theory and finite integral ’ s aspect , analyzed the structure of the high frequency field inside the ellipsoidal cavity with arithmetic simulation that carried through in computers
2 .從有限元理論和有限積分的角度出發(fā),用計算機數(shù)值仿真對橢球諧振腔內(nèi)的高頻場結(jié)構(gòu)進行分析。 - Especially , the image processing functions are weak in the medical image processing systems that applying in hospitals , and only traditional image processing methods of space field and frequency field are adopted
現(xiàn)有的實用醫(yī)學(xué)影像處理系統(tǒng)中,圖像處理功能較弱,且都采用傳統(tǒng)的空間域或頻率域圖像處理方法。 - Gabor transformation : in frequency field , gabor transform has sound direction selectivity . selecting a certain direction and picking - up corresponding feature value by this means was another choice for image research
基于頻率域分解的gabor變換, gabor變換有著比較好的方向選擇性,利用這一點特性,為圖像分析提供了另一個思路。 - In analysis of time field , wavelet transform is a new fast developed implement , has good localize character both in time and frequency field , its a relatively perfect method of spectral feature extraction
在時域分析方法中,小波變換是近年來迅速發(fā)展起來的一種新的工具,在時域和頻域上同時具有良好的局部化特性,是一種比較理想的光譜特征提取方法。 - It's difficult to find frequency field in a sentence. 用frequency field造句挺難的
- All above are included in robust control theory in frequency field and robust control theory in state - space field . how to combine the results of the two fields to form a new method ? how to perform the method efficiently in application
如何將頻域魯棒控制理論和狀態(tài)空間魯棒控制理論綜合在一起，并合理的運用于控制系統(tǒng)的設(shè)計，是一具有挑戰(zhàn)性的課題。 - The kinematics of electron beam within the radial diode areas and interaction structures are studied by using one - dimension model , the energy exchange process between electrons and high frequency field is also analyzed
用徑向二極管一維模型分析了電子束在徑向二極管內(nèi)的運動，和幾種二極管結(jié)構(gòu)：嵌入式發(fā)射面徑向二極管結(jié)構(gòu)，兩端饋電二極管結(jié)構(gòu)，椎形二極管結(jié)構(gòu)。 - As a portable product , expect for the system can do spot test of dynamic balance , it has the following three functions : no touch point rotates speed test , vibration test , signal analysis ( showing the time field and the frequency field )
該系統(tǒng)作為便攜式產(chǎn)品除了可以作剛性轉(zhuǎn)子的現(xiàn)場動平衡測試外，還具有三個功能：轉(zhuǎn)子無觸點轉(zhuǎn)速測量、振動測量、信號分析（時域、頻域顯示） 。 - Under the cylindrical coordinate , the transit - time effect of the radial gap in the resonance cavity of rtto is studied by hydrodynamic theory . the equation describing the interaction between the electron beam and the high frequency field is obtained
在柱坐標(biāo)系統(tǒng)中，我們用流體理論方法分析了rtto諧振腔間隙的渡越時間效應(yīng)，得到了在有限渡越角情況下電子束與高頻場相互作用的方程。 - The wavelet ' s characteristic of focus " varieties make wavelet better analyses ability in the time field and the frequency field . it is a perfect method of analyzing non - steady signal , and it is fit to analysis ultrasonic pulse echo signal
而小波的“變焦距”特性使得小波分析在時域和頻域中都具有良好的分析能力，是一種理想的分析非穩(wěn)態(tài)信號的途徑，適于對超聲脈沖回波信號的分析。 - The h - field probe provides a voltage to the connected measurement system which is proportional to the magnetic radio frequency field strength existing at the probe location . with this probe , circuit rf sources may be localized in close proximity of each other
磁場探頭為連接的測量系統(tǒng)提供了一個正比于探頭所在位置射頻磁場強度的電壓，用這種探頭在彼此極其接近的地方可以探測線路射頻源。 - The superiority of wavelet transform is that it both has the merits of fourier transform and settle the conflict of fourier transform in time field and frequency field and can have good local speciality in both time field and frequency field
近年來迅速發(fā)展的小波變換理論的優(yōu)越性在于它除了具有傳統(tǒng)的fourier變換的優(yōu)點外，還較好的解決了fourier變換在時域和頻域的矛盾，能夠在時域和頻域上同時具有很好的局部化特性。 - 300 mhz 3 ghz human exposure to radio frequency fields from hand - held and body - mounted wireless communication devices - human models , instrumentation , and procedures - part 1 : procedure to determine the specific absorption rate for hand - held devices used in close proximity to the ear frequency range of 300 mhz to 3 ghz
人暴露于手持和車載無線通信設(shè)備產(chǎn)生的射頻場.人體模型儀器和規(guī)程.第1部分:緊貼耳朵使用的手持設(shè)備 - 4 . the signal data collected in expteriment are taken out in emulational research of system experiment . many methods such as adding window in frequency field , eliminating static object and so on restrain the width and sidelobe of static mussy weaves and detect out the target availably
4 、在系統(tǒng)實驗仿真研究中調(diào)出實驗采集信號數(shù)據(jù)，使用頻域加窗不加窗、清除靜態(tài)目標(biāo)等方法很好地控制了靜態(tài)雜波干擾的幅度及旁瓣，有效地檢測出了目標(biāo)。 - The emphasis is put on the spatial angle identification of the unsolved jamming signal in the time and frequency field . two methods of the spatial angle separation is given : the clustering analysis and the power centroid track , and the advantages and the shortcomings of these methods are discussed with the theoretical analysis and the emulational result
本文重點研究了對于多個時域、頻域均不可分辨的干擾信號如何從空間角度上進行分辨，提出了兩種角度分辨的方法，聚類分析法和能量重心跟蹤法，并結(jié)合理論分析和仿真的結(jié)果，討論了這兩種方法的優(yōu)缺點。