useful signal中文是什么意思

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中文翻譯
造句

有用信號(hào)

useful adj. 1.有用的，有益的，有效的，有幫助的。 2.〔 ...
signal n. 1.信號(hào)，暗號(hào)；信號(hào)器。 2.動(dòng)機(jī)，導(dǎo)火線 (fo ...
minimum useful signal 最低有效信號(hào); 最小可用信號(hào)
be useful 有用場(chǎng)
be useful for 對(duì)…有作用例如
be useful to 對(duì)有益; 對(duì)…有用
useful adj. 1.有用的，有益的，有效的，有幫助的。 2.〔俚語(yǔ)〕值得稱贊的，精通…的 (at)。 make oneself generally useful 事事有用，事事幫得來(lái)忙 (He must make himself generally useful. 他可事事都干得來(lái))。 a pretty useful performance 相當(dāng)精采的演出。 His wife is very useful at cooking. 他的妻子很會(huì)做菜。 adv. -ly ,-ness n.
a useful lesson 有意義的一課
be full as useful as 同...完全一樣有用
be very useful at 精通
chemicals that are useful 有效的化學(xué)品
come in useful 遲早有用, 早晚會(huì)用得上
disabled but useful 殘而不廢
extremely useful 非常有用
quite useful 很有用
useful animal 益獸
useful animals 益獸
useful appendices 實(shí)用附錄
useful area 有效面積，可用面積。
useful arthropods 有用節(jié)足動(dòng)物
useful article 有害物品; 有用物品
useful arts 技術(shù)性
useful bandwidth 有效帶寬
useful beam 有效射束; 有用束流
useful by-product 有用副產(chǎn)品

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例句與用法

This method gets rid of the interferential signal successfully but does not lose useful signal
該方法能有效地去除干擾信號(hào)，又不會(huì)損失有用信號(hào)。
It is concluded that flp is better than other two filters in reducing the arw , constraining the high frequency noise and reserving the low frequency useful signals
對(duì)比的結(jié)果表明, flp濾波方法能有效地抑制高頻噪聲,并保留陀螺信號(hào)的有用的低頻量。
With the research development in antenna area , smart antenna , which could dynamically adjust antenna pattern in order to trace useful signals and suppress interference and noise , comes into researchers ’ sight
隨著天線領(lǐng)域研究的進(jìn)展,一種可以動(dòng)態(tài)調(diào)整天線方向圖,有效跟蹤有用信號(hào),抑制干擾和噪聲的天線系統(tǒng)? ?智能天線系統(tǒng),進(jìn)入了研究者的視野。
So how to select threshold effectively to avoid lose useful signal is problem worth to research . some research is processed here on the problems above as follow : ( 1 ) . in exordium the research purpose and means is introduced
因此，在去噪的過(guò)程中如何更有效地進(jìn)行閾值選取，使得噪聲被去除的同時(shí)盡可能的避免有用信號(hào)的丟失，也是一個(gè)值得研究的問(wèn)題。
Under the research of the characteristic of three classical analog filter with simulation software - matlab , this paper devised lowpass circuit that not only can keep the useful signal out of distortion but also benefits the following sample tache and filter tache
用matlab分析了三種經(jīng)典模擬濾波器的濾波性能，設(shè)計(jì)出了能保持有用信號(hào)不失真又有利于后面的采樣和數(shù)字濾波環(huán)節(jié)的低通電路。
Partial wavelet coefficients ca n ' t be set zero when the threshold is undersize so parts of noises are retained and some useful signals will be taked off when the threshold is iusto major so parts of useful signals are lost . these cases result in dissatisfactory denoising
如果閾值選取過(guò)小，那么有一部分的噪聲小波系數(shù)將不能被置零，從而在去噪后的信號(hào)中保留了部分噪聲信息，使去噪的效果變差。
Based on the theory of dsss , the received signal can be despreaded and demodulated only when the phase of spread sequence in the receiver is equal to the phase of the received signal , or the useful signal would be overwhelmed by the noise
根據(jù)直接序列擴(kuò)頻原理，只有當(dāng)接收端的本地?cái)U(kuò)頻序列與接收信號(hào)中擴(kuò)頻序列相位一致時(shí)，即擴(kuò)頻序列同步時(shí)，才能實(shí)現(xiàn)接收信號(hào)的解擴(kuò)和解調(diào)，否則信號(hào)將淹沒(méi)在噪聲中。
This show us a very useful signal in studying the systematic property in the early stage of the evolutive colliding system , that ' s , a non - zero flow component of those particles observed by experiment could be interpreted as a signal for partonic flow
因此在碰撞早期產(chǎn)生的重子數(shù)輸運(yùn)是高能重離子碰撞中的一個(gè)重要的物理量，它影響著初態(tài)部分子的平衡，粒子的產(chǎn)生，系統(tǒng)的熱力學(xué)或化學(xué)平衡以及集體膨脹等過(guò)程。
For implementing conveniently the detection , identification and extraction of useful signal from the collected signal , we make a brief analysis to the application of correlation function in digital signal processing based on its three basic principles
摘要為了比較方便地對(duì)測(cè)量所得到的信號(hào)實(shí)現(xiàn)有用信號(hào)的檢測(cè)、識(shí)別和提取，根據(jù)相關(guān)函數(shù)的3條基本性質(zhì)，對(duì)相關(guān)函數(shù)在數(shù)字信號(hào)處理當(dāng)中的應(yīng)用進(jìn)行了一些簡(jiǎn)要的探討。
First please make sure the useful signal has very good snr before you input it to amplifiers chain , then you can calculate how much gain and nf you need to get the targeted signal amplitude and noise level , based on this you can choose the right components to design amplifiers chain
后才將其輸入放大器鏈，接著計(jì)算獲得目標(biāo)信號(hào)振幅和噪聲水平所需的增益與nf的大小，最后根據(jù)這些數(shù)據(jù)選擇合適的器件設(shè)計(jì)放大器鏈路。

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