radar n. 〔美國(guó)〕【無(wú)線電】 〔radio detecting and ranging 之略〕 雷達(dá),無(wú)線電探測(cè)器 (=〔英國(guó)〕 radiolocator)。 air search radar 防空[空中搜索]雷達(dá)。 air surface vessel radar 飛機(jī)用水面艦船搜索雷達(dá)。 beam-transmitter radar 定向瞄準(zhǔn)雷達(dá)。 missile radar 彈載雷達(dá);跟蹤導(dǎo)[飛]彈的雷達(dá)。 long-range radar 遠(yuǎn)程雷達(dá)。 radar control 雷達(dá)控制。 radar installation 雷達(dá)裝置。 laser radar 激光[鐳射]雷達(dá)。 a radar set 雷達(dá)裝置。 below [beneath] the radar 不引人注意,在視線之外。 ★ radar 是不可數(shù)名詞。
code n. 1.法典;法規(guī)。 2.規(guī)則,準(zhǔn)則;(社會(huì)、階級(jí)等的)慣例,習(xí)俗,制度。 3.(電)碼,代碼,密碼,暗碼;代號(hào),略號(hào),暗號(hào)。 4.【生物學(xué)】遺傳(密)碼。 the civil [criminal] code民[刑]法典。 the moral code道德準(zhǔn)則。 code of signals 信號(hào)密碼(本)。 code of the school 校規(guī)。 code and conventions 規(guī)章制度。 C- Napoléon 拿破侖法典。 C- of Hammurabi (古代巴比倫的)漢穆拉比法典。 code of honour 社會(huì)禮法;決斗慣例。 code of written law 成文法典。 the International Code 國(guó)際電碼。 the Morse code 摩爾斯電碼。 vt. 1.把…編成法典[法規(guī)]。 2.把…譯成[編成]電碼;編(碼);譯(碼)。 n. -r 【自動(dòng)化】編碼裝置;【電訊】記發(fā)器。
Two-dimension signal processing scheme for binary phase-coded radar waveform 脈間二相編碼雷達(dá)信號(hào)的二維處理
Phase-coded radar, however, has the disadvantage of higher range sidelobe and doppler sensitivity 當(dāng)然,相位編碼雷達(dá)也存在著距離旁瓣較高和多卜勒敏感等問(wèn)題。
First, we set up the models of linear frequency coded radar and two phase coded radar differently, and discuss the models in some degree 首先,本文分別構(gòu)建了線性調(diào)頻和二相編碼雷達(dá)接收機(jī)的模型,并對(duì)其做了大量的數(shù)學(xué)分析。
First, we set up the models of linear frequency coded radar and two phase coded radar differently, and discuss the models in some degree 首先,本文分別構(gòu)建了線性調(diào)頻和二相編碼雷達(dá)接收機(jī)的模型,并對(duì)其做了大量的數(shù)學(xué)分析。
The jamming of two models of pulse compressed radar, linear frequency coded radar and bi-phase coded radar, are studied in this dissertation 本論文討論了脈沖壓縮雷達(dá)中兩種典型的雷達(dá)制式:線性調(diào)頻雷達(dá)和二相編碼雷達(dá)的干擾。
The jamming of two models of pulse compressed radar, linear frequency coded radar and bi-phase coded radar, are studied in this dissertation 本論文討論了脈沖壓縮雷達(dá)中兩種典型的雷達(dá)制式:線性調(diào)頻雷達(dá)和二相編碼雷達(dá)的干擾。
Phase-coded radar is playing a more and more important role in the radar field because of its quality of spreading spectrum 相位編碼雷達(dá)的擴(kuò)頻特性使其具有良好的抗干擾能力,從而在現(xiàn)代雷達(dá)中占據(jù)了一席之地,得到人們廣泛的關(guān)注和研究。
To solve the problem of higher range sidelobe of phase-coded radar, the method of removing big power signals with fft _ ifft is presented in this paper 針對(duì)相位編碼雷達(dá)距離旁瓣較高的問(wèn)題,本文提出了fft_ifft法去除大功率信號(hào)來(lái)抑制距離旁瓣。
As a new kind of high-resolution signal, multicarrier phase coded radar signal has drawn attention due to a lot of advantage, such as perfect autocorrelation, flexible designing and easy processing 多載頻相位編碼信號(hào)作為一種新型的高距離分辨信號(hào)以其信號(hào)特性優(yōu)良,參數(shù)設(shè)計(jì)靈活,處理簡(jiǎn)單越來(lái)越引起人們的關(guān)注。
Because of using spread spectrum technique, phase-coded radar has good anti-jamming capability and low probability of intercept property . so more and more attention has been paid to the research on it for military and civil application 相位編碼雷達(dá)采用擴(kuò)頻技術(shù)使其具有良好的抗干擾能力和低截獲概率特性,因此在軍民兩用方面其研究日益受到人們的關(guān)注。