例句與造句

1. A fast fourier transform algorithm to estimate carrier frequency deviation
   快速傅里葉變換載波頻偏估計算法
2. Parallel fast fourier transform algorithm based on binary fat tree network
   一種基于二叉胖樹模型的并行fft算法
3. The fast fourier transform algorithm for the solution of the level - 2 - ciculant linear systems of type
   循環(huán)線性系統(tǒng)求解的快速傅里葉算法
4. Choose the proper sample and compare by two means . first is to compare actual value to the calculated , and second is analysis of the effect on harmonic wave . take fast fourier transform algorithm to the samples fore - and - aft integral , and compare the amplitude and angle
   首先是直接比較實際值與還原值，其次是分析各種算法對諧波的影響：分別對積分前后的采樣值進行快速傅立葉變換，比較各次諧波幅值和相位的變化。
5. The binary fat tree is a network topology which is prone to accomplish butterfly computing . according to this feature , a logical model for binary fat tree was constructed at first , and then a parallel fast fourier transform algorithm based on it was devel . .
   二叉胖樹網(wǎng)絡(luò)結(jié)構(gòu)是一種易于實現(xiàn)蝶式計算的網(wǎng)絡(luò)拓撲結(jié)構(gòu)，基于這一特點，首先構(gòu)造了一種二叉胖樹的邏輯模型，并提出了一種基于該模型的并行快速傅立葉變換算法。
6. It's difficult to find fast fourier transform algorithm in a sentence. 用fast fourier transform algorithm造句挺難的
7. It is stressed in this paper the analysis methods used in vibration faults of average power spectrum and cepstrum , based on the fast fourier transform algorithm , and development of the vibration signal analysis system in test - driving of wj6 engine , involved the technic of software or hardware
   文章重點給出基于fft技術(shù)的功率譜和倒頻譜分析方法、振動信號分析系統(tǒng)的設(shè)計和實現(xiàn)，討論了相應(yīng)軟件開發(fā)中所涉及的技術(shù)問題。
8. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow , rotating speed and blade row spacing , plus inlet flow distortion , and considering aerodynamic characteristics and stability of the compressor , the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies . a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip , middle and hub section , then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
   為探討軸流壓氣機在工作流量、工作轉(zhuǎn)速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規(guī)律，并耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩(wěn)定性相關(guān)聯(lián)，作者利用南京航空航天大學(xué)能源與動力學(xué)院的低速大尺寸軸流壓氣機( lsc )試驗器，采取在靜子葉片表面埋入動態(tài)壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態(tài)壓力進行了測量，獲得了大量的可靠的實驗數(shù)據(jù)。
9. In the course of the design , critical technologies are applied , such as digital phase - locked loop , fast fourier transform algorithm , universal asynchronous receiver & transmitter , and so on . in the project , as a important component , the module of monitoring the buses " power quality takes a long time
   在設(shè)計過程中，使用的關(guān)鍵技術(shù)有：使用cpld仿真多路sspc多種狀態(tài)；在對匯流條電能質(zhì)量的監(jiān)測過程中采用頻率跟蹤技術(shù)? ?全數(shù)字鎖相環(huán)；應(yīng)用fpga技術(shù)使用fft運算進行諧波分析；通用異步收發(fā)器等技術(shù)。
10. At present , the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory , these methods all require some transform and quick , real - time calculating , so high precision analog multipliers or high speed dsp chip with fast a / d are needed , this results in complex circuit and high cost ， which have restricted the development of apf
    目前畸變電流檢測常用的方法有頻域法的fft和基于瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數(shù)字微處理器和高性能a / d轉(zhuǎn)換器，這必將大大提高系統(tǒng)成本，使得電路結(jié)構(gòu)復(fù)雜，在一定程度上限制了有源濾波器的發(fā)展。
11. In this paper , we firstly design orientation filters based on directional image of fingerprint and employ them to denoise gray - scale image . then , we binarize the gray - scale image with local self - adaptive binarization smoothness algorithm and eliminate the noises from the binary image with fast fourier transform algorithm
    本文先基于指紋的方向圖設(shè)計出方向濾波器對原圖像進行濾波去噪，然后使用局部平滑閾值自適應(yīng)二值化算法，將灰度圖像進行二值化，并采用快速傅氏變換對所得到的二值化圖像進行去噪處理。
12. It involves not only the detection of signal frequency , signal phase and power factor but also calculation and control of phase . the method of calculating phase is based on fast fourier transform algorithm ( fft ) . it is used to calculate signal frequency , signal phase , power factor and the phase on / off time according to sampling instantaneous value of voltage and current
    本文主要提出了采用信號處理技術(shù)(快速傅里葉變換fft ) ，根據(jù)電壓、電流采樣的瞬時值，計算信號頻率、信號相位、功率因數(shù)、分合閘相角的選相控制方法，并介紹了最終控制分合閘的原理與實現(xiàn)方法
13. The digitizer based on pxi bus uses fpga ( field programmable gate array ) to implement 256 points , radix - 2 dit fft ( fast fourier transform algorithm ) . the design uses pipelining for fft processing and can accomplish sampling and processing signals of two channels at the same time . in the signal acquisition circuit , - a / d convector is used to enhance the precision of the signal sampling
    在本設(shè)計中,采用fpga ( fieldprogrammablegatearray )實現(xiàn)了256點基2dit算法復(fù)數(shù)fft ( fastfouriertransformalgorithm快速傅氏變換算法)處理器,具有較高的速度和運算精度fft ,設(shè)計采用流水線處理方式大大的提高了處理速度,可實現(xiàn)對兩個通道輸入信號的并行采集與處理。