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(biāo)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(shù)設(shè)計的基礎(chǔ)上,推導(dǎo)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并相應(yīng)的對多目標(biāo)噪聲環(huán)境進行了仿真;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(shè)計和分析、信號的處理打下基礎(chǔ)。
the work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal . the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence . it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals 本文圍繞著多載波相位編碼信號在信號設(shè)計與信號處理的若干關(guān)鍵問題進行了研究,主要做了以下工作:描述了多載波相位編碼信號(multicarrierphasecoded,簡稱mcpc)的信號形式,給出了其數(shù)學(xué)模型,對其中相位編碼序列的構(gòu)成方式與特性進行了分析;從單脈沖和脈沖串兩種信號形式入手,對多載頻相位編碼信號的參數(shù)在自相關(guān)函數(shù)、功率譜密度和模糊方程上的影響作了詳細(xì)地討論,對不同調(diào)制方式的單脈沖和脈沖串信號進行了比較。
the work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal . the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence . it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals 本文圍繞著多載波相位編碼信號在信號設(shè)計與信號處理的若干關(guān)鍵問題進行了研究,主要做了以下工作:描述了多載波相位編碼信號(multicarrierphasecoded,簡稱mcpc)的信號形式,給出了其數(shù)學(xué)模型,對其中相位編碼序列的構(gòu)成方式與特性進行了分析;從單脈沖和脈沖串兩種信號形式入手,對多載頻相位編碼信號的參數(shù)在自相關(guān)函數(shù)、功率譜密度和模糊方程上的影響作了詳細(xì)地討論,對不同調(diào)制方式的單脈沖和脈沖串信號進行了比較。