coded pulse 中文意思是什麼
-
The transmitted information is coded into the amplitude of the pulses so that each predetermined value of pulse energy is associated with a message.
把傳輸的信息編碼成脈沖的振幅，因而使每個預先規定的脈沖能量值對應於一個信息。 -
At first the merits and implementation of the digital pulse compression subsystem are introduced in this paper. then the characteristics of phase coded signals are discussed and the two classic binary phase codes ? ? barker code and m - sequence are dealt with in details in the following
文中首先綜述了數字脈沖壓縮的優點及其實現方法，接著討論了相位編碼信號的特點，並詳細分析了巴克碼和m序列這兩類典型的二相碼信號。 -
In this paper, the application of coherent phase - coded pulse train ( cpcpt ) solves range - doppler coupling well
應用相參頻率編碼脈沖串信號（ cpcpt ）較好地解決了距離-多普勒耦合問題。 -
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。 -
Traditional laser iff has poor security because of low frequency of laser beam coded pulse. this can be greatly improved when the pulses are modulated by continuous wave laser, but the power of this laser beam output is so low that it ’ s difficult to be detected and received by laser warning subsystem
傳統的激光敵我識別器激光編碼脈沖頻率低，通信保密性差，使用連續波激光器經調制后激光編碼脈沖頻率高，保密性好，但輸出激光功率較低，難以達到激光告警分機探測接收的要求。 -
Large time - band product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are one of key technologies for pulse compression radar systems
具有大時寬帶寬積的信號，如線性調頻信號、非線性調頻信號、相位編碼信號等是雷達應用脈沖壓縮技術的關鍵之一。 -
Pulse compression technique and large timeband product signals such as linear frequency modulation signals, nolinear frequency modulation signals, phase coded signals and so on are widely used in modern radar systems to improve the resolving power both in range and in speed domain
現代雷達為了提高雷達作用距離和速度分辨力、距離分辨力，廣泛採用了脈沖壓縮技術及大時寬帶脈壓信號如：線形調頻、非線形調頻、相位編碼信號等。 -
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中兩種典型的雷達制式：線性調頻雷達和二相編碼雷達的干擾。 -
This dissertation mainly studies the pulse compression waveform designing and signal processing, including the following aspects : firstly, by the pulse compression basic theory, the linear frequency modulation signal ( lfm ), binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function, pulse compression and spectrum characteristic
本文主要進行脈沖壓縮雷達波形設計以及信號處理方面的研究，主要體現在以下幾個方面:首先，從脈沖壓縮基本理論出發，分別給出了線性調頻、二相編碼和頻率步進信號的模糊函數、脈沖壓縮以及頻譜特性，對多普勒性能進行了簡要分析。 -
Pulse compression technique is widely used in modern radar systems. large timeband product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are used in pulse compression technique to improve the resolution in range domain
現代雷達系統廣泛採用脈沖壓縮技術，在確保雷達作用距離和速度分辨力的前提下，採用大時帶積脈沖壓縮信號:如線性調頻（ lfm ） 、非線性調頻（ nlfm ）和相位編碼信號等，提高距離分辨力。 -
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計與信號處理的若干關鍵問題進行了研究，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，給出了其數學模型，對其中相位編碼序列的構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在自相關函數、功率譜密度和模糊方程上的影響作了詳細地討論，對不同調制方式的單脈沖和脈沖串信號進行了比較。 -
Moreover, theory of the random pulse position modulation and random binary phase - coded ( rppm & rbpc ) pulse doppler is also discussed
在此基礎上，進一步討論了隨機脈位調制加隨機二相碼調相脈沖多普勒雷達原理。 -
Binary coded pulse train
二進碼脈沖串 -
The drfm permits generation of appropriate radar returns to chirped, frequency coded, phase coded, pulse coded, or other similar type coherent radars with pulse to pulse or cw modulations
在另一些情況下，需要將不同於接收到的雷達信號的特徵的信號返回雷達系統，用來進一步使雷達系統混淆工作。 -
We systematically analyze different types of random ppm - ps signals, including single random ppm - ps signals, compound ps ( cps ) signals of the random ppm - ps and random binary coded pulse, and chaotic sequence - based ppm - ps signals. we give their definitions and mathematical representations, derive their spectra and ambiguity functions, plot the ambiguity figures and cuts, and analyze their correlation properties and other performances
系統地分析了單一隨機脈位調制脈沖串和隨機脈位調制與隨機二相碼調相復合脈沖串隨機脈位調制脈沖串信號；內容包括它們的定義、數學描述方法、模糊函數的推導與計算、模糊圖的繪制和切割、相關特性及性能。 -
We systematically analyze different types of uniform ppm - ps signals, including inter - pulse quasi - random binary coded ps signals, pulse - family quasi - random binary coded ps signals and pulse - family random binary coded ps signals. we give their definitions and mathematical representations, derive their spectra and ambiguity functions, plot the ambiguity figures and cut, and analyze their correlation properties and other performances
系統地分析了脈間偽隨機二相碼脈沖串、脈組偽隨機二相碼脈沖串和脈組隨機二相碼脈沖串均勻脈位調制脈沖串信號；內容包括它們的定義、數學描述方法、頻譜和模糊函數的推導與計算、模糊圖的繪制和切割、相關特性及性能。
分享友人