return signal造句
例句與造句
- By reading the returning signals , the machines can identify the molecular structure of the materials it contains
通過(guò)讀取引爆后返回的信號(hào),機(jī)器可以識(shí)別信號(hào)里所包含物質(zhì)的分子結(jié)構(gòu)。 - We earlier considered the benefits of outward and return signal paths being close together so that inductance is minimized
前文曾經(jīng)提到,讓信號(hào)的輸出線和返回線靠近可以降低傳輸電抗。 - In that case , the array would transmit to the wrong beam , and the user might miss the return signal entirely
在這種狀況下,陣列就會(huì)把訊號(hào)發(fā)射給錯(cuò)誤的波束,使得用戶完全收不到傳回的訊號(hào)。 - In the subsystem of the receiver , to get i q two - channel digital signal , return signal was perpendicular sampled at intermediate frequency
在接收機(jī)子系統(tǒng)中,采用了中頻直接正交采樣來(lái)完成對(duì)信號(hào)的i 、 q雙通道的分離。 - Firstly , the fundamentals of synthetic aperture radar have been briefly introduced and the radar return signal of point target has been constructed
論文首先簡(jiǎn)要介紹了合成孔徑雷達(dá)的基本工作原理,建立點(diǎn)目標(biāo)雷達(dá)回波模型。 - It's difficult to find return signal in a sentence. 用return signal造句挺難的
- First , the return signal model is set up . the target return signal , clutter which has gauss power spectrum and noise of the receiver are included
首先討論回波信號(hào)的生成,包括斯威林模型目標(biāo)回波信號(hào),接收機(jī)噪聲以及具有高斯功率譜的雜波模型。 - It was indicated that the major frequency of signals for three different motivating manners concentrated between 20 and 50 khz , the difference between wavelet coefficients was small , and the pertinence of the original signal and the returning signals was low
最終結(jié)果表明,從頻譜上來(lái)講,三種激勵(lì)方式所產(chǎn)生信號(hào)的主頻集中在20 50khz ,小波系數(shù)相差甚微,并且來(lái)源于同一源的接收信號(hào)與源信號(hào)相關(guān)程度也不高。 - It reveals that , for a target with constant acceleration , the return signal in doppler domain , which is obtained by range fft of intermediate frequency return signal of othr , can be approximated as a lfm signal , whose fm rate is related to acceleration
機(jī)動(dòng)目標(biāo)回波分析結(jié)果表明:對(duì)于勻加速模型而言,高頻地波雷達(dá)的中頻回波信號(hào)經(jīng)過(guò)距離維fft處理后在多普勒域可以近似為一個(gè)線性調(diào)頻信號(hào),其調(diào)頻率與加速度有關(guān)。 - First the definition of maneuver target and a maneuver target model that is suited for othr is given , then the characteristics of return signal of maneuver target is analyzed , after that , the formula used for acceleration compensation in othr is derived
從而重新獲得較好的機(jī)動(dòng)目標(biāo)檢測(cè)性能。論文首先給出了高頻地波雷達(dá)中機(jī)動(dòng)目標(biāo)的定義與機(jī)動(dòng)目標(biāo)的模型,分析了機(jī)動(dòng)目標(biāo)的回波特征,并導(dǎo)出了用于高頻地波雷達(dá)加速度相位補(bǔ)償?shù)墓健? - Once stored , the signals can be transcribed back into an exact replication of the original signal whenever desired . ultra high speed data acquisition is the main technique in drfm . the most common use of the drfm is for replication of complex , coherent signals usually representing radar return signals
數(shù)字射頻存儲(chǔ)器是現(xiàn)代電子對(duì)抗系統(tǒng)中有源雷達(dá)干擾機(jī)的主要組成部分,用于將接收到的雷達(dá)信號(hào)的精確的復(fù)制信號(hào)返回該雷達(dá)系統(tǒng),以此來(lái)混淆該系統(tǒng)。 - The satellite altimetry has developed as a kind of important space geodetic technique since 1970s . the return signals from ocean regions can provide all - weather height information above the sea level repeatedly and accurately . the satellite altimetry has now not only impacted strongly on the field of oceanography and geophysics , but also changed greatly the fact of geodesy
衛(wèi)星測(cè)高作為二十世紀(jì)七十年代發(fā)展起來(lái)的一項(xiàng)空間測(cè)量技術(shù),能在全球范圍內(nèi)全天候、多次重復(fù)、準(zhǔn)確地提供海洋表面到衛(wèi)星距離的觀測(cè)值,在地球物理學(xué)領(lǐng)域和大地測(cè)量領(lǐng)域有廣泛的應(yīng)用。 - The equipment uses microwave beams to illuminate the human body and the surface movement caused by physical activity of human body modulates the return microwave beams . therefore some parameters of the return signal , such as the frequency and the phase will be changed . if these changes can be detected , the life parameters will be extracted
其基本原理是利用電磁波束照射人體,其回波信號(hào)被人體生命活動(dòng)引起的體表微動(dòng)所調(diào)制,使得回波信號(hào)的某些參數(shù)(如頻率、相位)發(fā)生改變,檢測(cè)到這些變化就能從中提取出人體生命參數(shù)。 - The principle of angle measurement of short - baseline interferometer is that using phase difference between returning signals to obtain the angle of the target . the method has high precision , but has the phase ambiguity problem inevitably , the article give the explanation to the short - baseline interferometer about these two questions
短基線干涉儀測(cè)角的基本原理是相位法測(cè)角,即利用系統(tǒng)中不同接收站之間的相位差來(lái)獲得目標(biāo)的方位角信息,具有測(cè)角精度高的優(yōu)點(diǎn),但卻不可避免的存在著測(cè)角模糊的問(wèn)題,文中對(duì)短基線干涉儀這兩個(gè)基本問(wèn)題進(jìn)行了說(shuō)明。 - During my studying of postgraduate , i have accomplished above - mentioned researches and results listed below : 1 ) accumulated lots of experimental data of non - contact life - parameter detection system under different conditions , which is a good foundation for the next stage of this research . 2 ) brought forward the method of using adaptive processing to constrain the self - dithering interference . 3 ) brought forward the method of using acceleration sensor to detect the self - dithering interference as the referring signal of the adaptive filter . 4 ) compared the performances of adaptive algorithms based on fssms and vsslms , which is the basis of parameter - setting for applying adaptive processing to constrain the self - dithering interference in this subject . 5 ) constructed the mathematical model between the self - dithering interference and its radar return signal . 6 ) drew the conclusion of that there exists the correlativity between the self - dithering interference and its radar return signal . 7 ) drew the conclusion of that there exists the adding relation between the radar return signal of the self - dithering interference and the detecting signal . 8 ) developed the software for constraining self - dithering interference of non - contact life - parameter detection system
在就讀碩士研究生期間,本人從事以上工作取得的主要研究結(jié)果有: l 、積累了大量的不同條件下非接觸生命參數(shù)檢測(cè)系統(tǒng)的實(shí)驗(yàn)數(shù)據(jù),為檢測(cè)系統(tǒng)的下一階段研究打下良好的基礎(chǔ); 2 、提出了采用自適應(yīng)處理抑制非接觸生命參數(shù)檢測(cè)系統(tǒng)的自抖動(dòng)干擾; 3 、提出了采用加速度傳感器檢測(cè)非接觸生命參數(shù)檢測(cè)系統(tǒng)的自抖動(dòng)干擾作為自適應(yīng)處理的參考信號(hào): 4 、比較了固定步長(zhǎng)和可變步長(zhǎng)兩類ms自適應(yīng)算法的性能,為自適應(yīng)算法應(yīng)用于本課題的研究提供參數(shù)設(shè)置依據(jù); 5 、建立了非接觸生命參數(shù)檢測(cè)系統(tǒng)自抖動(dòng)和自抖動(dòng)雷達(dá)回波信號(hào)之間的數(shù)學(xué)模型; 6 、得出了非接觸生命參數(shù)檢測(cè)系統(tǒng)自抖動(dòng)和自抖動(dòng)雷達(dá)回波信號(hào)具有相關(guān)性的結(jié)論; 7 、得出了非接觸生命參數(shù)檢測(cè)系統(tǒng)自抖動(dòng)雷達(dá)回波和第二頁(yè)第四軍醫(yī)大學(xué)碩士學(xué)位論文檢測(cè)信號(hào)具有加性關(guān)系的結(jié)論; 8 、研制了非接觸生命參數(shù)檢測(cè)系統(tǒng)自抖動(dòng)干擾抑制軟件。