comparison signals 中文意思是什麼
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The results show that the cps signals have the thumbtack - typed ambiguity, no distance and / or speed ambiguity and excellent speed / distance measuring performances. 3. we analyze anti - interference performances of the uniform ppm - ps radar signals and the random ppm - ps radar signals, and make the comparison between them
研究結果表明隨機脈位調制與隨機二相碼調相復合脈沖串信號具有「圖釘型」的模糊函數，不存在距離速度模糊，具有良好的測距測速性能。 -
Based on the method, this dissertation deals with several kinds of signals including cosine wave ( cw ), linear frequency modulated ( lfm ) and multi - component signal, furthermore the systematic comparison of estimation effect among cwt and several other usual methods as well cramer - rao bound ( crb ) is given
基於上述方法，文中分別對單頻矩形脈沖信號、線性調頻脈沖信號以及多分量信號進行了瞬時頻率估計，並與其他幾種常用瞬時頻率估計方法的性能以及crb進行了系統比較。 -
Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal
考慮到目標信息提取的相對完整性，以高頻雷達為背景，在對多載波相位編碼脈沖串信號參數設計的基礎上，推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號，在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。 -
According to development of inland and abroad, a new measurement method has been put forward that make use of the periodic characteristic of the phase difference between two arbitrary frequency signals. in the light of lissajous graph, we complete comparison of radio frequency and microwave with 105 rates relationship in technique. on the ground of common characteristic of frequency signals, this method can be developed to comparison of microwave frequency and optical frequency to accomplish optical frequency measurement
根據國內外的情況，提出一種新的測量方法：即利用任意頻率信號之間都存在著相互相位差周期性變化的現象，根據李沙育圖形的原理，在技術上完成了射頻到微波信號之間成10 ~ 5頻率關系的比對，再根據頻率信號的共性，將此方法推廣到微波到光頻信號之間的比對，以完成對光頻的測量。 -
The authors carry out data collection and calculation for fuel injection pressure and needle valve lift signals measured on the fuel pump test bed by using self - developed software. on the basis of experiments, four criteria for analysing fuel injection process are proposed and the comparison of performances between au and nu type fuel outlet valves is made
作者用自行開發的軟體對在油泵試驗臺上測得的噴油壓力、針閥升程信號進行了數據採集和計算，在試驗的基礎上提出了分析噴油過程的四個判據，給出了au型和nu型出油閥的性能比較結果。 -
Make a comparison among different driving signals, including square, triangle, sinusoidal and sawtooth wave, it is shown that the square wave has the best driving result and the sawtooth wave has the worst one
實驗還對方波、三角波、正旋波及鋸齒波等幾種不同的驅動信號產生微射流的效果進行了對比。結果表明方波信號產生的微射流最強，鋸齒波產生的最弱。 -
26th ieee asilomar conference on signals, systems, and computers, pacific grove, ca, usa, october 26 - 28, 1992, pp. 391 - 395. 14 oklobdzija v. an algorithmic and novel design of a leading zero detector circuit : comparison with logic synthesis. ieee transactions on vlsi systems, 1993, 2 : 124 - 128
而另一方面，該演算法與目前國際上其它類似演算法相比具有面積和功耗上的明顯優勢，根據實驗結果，採用該演算法所實現的電路面積比採用以往類似演算法所實現的電路面積減少了27 ，功耗則降低了28 ，因此特別適合在高性能低功耗的浮點加減運算演算法中採用。 -
After analyzing the performance of the coherent tree - structured optimal joint detection ( tsojd ) for qpsk signals and deriving a non - coherent multi - user weight / phase estimator, the dissertation proposes a low complexity non - coherent multi - user weight / phase optimal joint detection algorithm. besides, the dissertation proposes a partial coherent multi - user / iv weight / phase optimal joint detection algorithm and some useful conclusions are obtained in comparison experiments. 4. in the research on the diversity techniques for fast fading multi - path channels, the dissertation proposes a time - scale rake receiver, and analyzes its performance with the conception of auto - wavelet - transform ( awt ) and time - - scale resolution
提出了過飽和低復雜度qpsk信號的樹型最佳聯合檢測演算法，並分析了相應最佳接收機的性能及相位偏差對性能的影響等問題；考慮了載波相位和多用戶信碼的聯合檢測問題，通過理論推導給出了過飽和多址系統中多用戶信碼/相位聯合估計子，提出了低復雜度非相干多用戶信碼/相位最佳聯合檢測演算法，並分析了此非相干最佳接收機的誤碼性能及相位提取誤差等有關問題；提出了部分相干多用戶信碼/相位最佳聯合檢測演算法，通過計算機模擬分析了該接收機的誤碼性能及相位提取誤差等有關問題，並與相干、非相干解調兩種情況作了比較，得出了一些有益的結論。 -
Finally, after the comparison among these algorithms, it is shown that this easy - to - implement dc - dispersion algorithm needs less amount of computation, and can dc - disperse pulsar signals effectively
最後，通過將這種演算法的計算量以及結果和其他幾種演算法做橫向比較，得出了結論：這種消色散演算法的計算量小，實現簡單，可以有效的進行消色散處理。 -
4 put forward the modified music algorithm, and compare its resolution ability with music algorithm by computer simulation. the comparison results show that the modified music algorithm not can estimate the doa of signals " that music algorithm cannot, but also can improve the estimation performance when estimating uncorrelated signals " doa
四介紹修正music演算法，先從公式進行推導，然後再進行計算機模擬，並與music演算法的模擬結果相比較，從而說明修正music演算法不僅能估計出空間互不相關信號的doa ，還能有效估計出相干信號以及相隔比較近的小信噪比信號doa 。 -
Wlththe fleetingprogress ofcomputerteccioanddlgltaltechology ， newly devefoped duntlzed medicine techniques go on expending ， while computed radlographyls atyplcalmethods itheprocedure ofcomputedradlographylmaging ， we should irstlygetacross the characters ofklnds ofnolses andthe relationship betweenthe image signals andnolses basedonthe specialties o 土 computedradlo graphy images and medical image processing ， we h 。 e study the filtering methods r competed radlography images noises our mmor wo indudes ： 1 on the base of analyzing computed radlography imaging system in detail ， the author th 讓出 that the mnyor … noises are gausslanwie noise and polsson noise then ， the dlfferemrelationshlp ofbe 加 eentwo kinds ofnolses and sipal were studied completely 21 by conslderingboththe charactenstlcs ofcomputed radlography images andthe statistical feres ofwavelettransformed images ， a multlscale image iltenng algonthln ， which based on wo state hidden markov model （ hmm ） and mlxtule gausslan statistical model ， has been used to decrease the gausslan white noise in compmed images we expenmems as well as the comparison ith other denolsing methods werepresentedatlast ，
在cr成像過程中，不可避免地引入各種噪聲干擾，極大地影響了醫生診斷的準確性，為此，只有弄清干擾圖像信息的各種噪聲的來源、特徵及其與信號的相互關系，才能有效地將之消除。結合cr影像以及醫學圖像處理的特點，本文研究了cr影像噪聲濾除的方法。主要工作有： [ 1 ]在詳細地分析cr成像系統的基礎上，指出固有噪聲和泊松噪聲是影響成像質量的兩種主要噪聲，並深入地討論了這兩種噪聲與圖像信號之間的相互關系。 -
The residual signals will be gotten from the comparison between the actual and prediction states. use a som neural networks as a classifier to classify characteristics contained in the residuals. so, we can detect whether the traffic incident has happened. this algorithm can detect not only whether the traffic incident has happened but also the level of accidental congestion caused by the traffic incident the second is another freeway traffic incident detection novel algorithm based on art2 neural networks. this algorithm uses the freeway traffic flow model and art2 neural networks as observer and classifier, respectively. the residual signals will be gotten from the comparison between the actual and estimated value of observer. use the art2 neural networks to classify characteristics contained in the residuals. so. we can detect whether the traffic incident has happened. this algorithm can recognize new pattern at the same ti
第二種是基於ar咒神經網路的檢測高速公路交通事件的新演算法。該演算法利用高速公路交通流模型和artz神經網路分別作觀測器和分類器，觀測器估計的數據和實際交通數據進行比較，得到殘差序列;利用artz神經網路對殘差序列進行分類，以區分不同交通狀態下的交通信息，達到檢測交通事件的目的。本演算法不但可以識別已知的交通事件類型，還可以識別未知的或從未出現過的交通事件類型，是一個可以邊工作、邊學習的檢測系統。 -
A study is made of the theory of linear fractal interpolation and a model called fractal interpolation approximate model is presented from the self - similarity of share price signals. also, a comparison is made of the interpolation method and times
研究了線性分形插值理論，結合股價信號的自相似性，提出了股價序列分形插值逼近模型，並作了插值方法和插值次數的比較。 -
The comparison experiments of speech signals corresponding to different snr and noise type was designed using the measure of complexity behaviors based on the information gain
採用基於信息增益的復雜性行為度量，對含不同噪聲類型，以及不同信噪比的各種中英文語音樣本進行了對比實驗。 -
Millimeter wave object detection makes use of the electromagnetic thermal emission of the subject and reflected thermal signals from the background, millimeter wave object detection, in comparison to visible or infrared object detection, has great potential advantage of detection through fog 、 cloud 、 smoke 、 sandstorms and other poor weather conditions
毫米波目標探測是利用目標、背景的電磁熱輻射來實現的，與可見光及紅外探測相比，毫米波目標探測在霧、雲、煙塵、沙暴等惡劣氣候條件下具有潛在的優勢。 -
Realization and comparison of separation methods for wall clutter and doppler ultrasound blood signals
剩餘活性污泥的超聲脫水及破解 -
Enough measurement and comparison experiments of the whole system obtain satisfied results. the experiment results of sine and tremor signals under two acquisition frequencies are presented in the thesis
通過對整機系統進行的大量測試和對比試驗，得到了滿意的結果，論文給出了兩種采樣頻率下針對正弦信號和脈動信號的試驗結果。
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