linear modulated signal 中文意思是什麼
linear modulated signal
解釋
線性調制信號-
Based on the method, this dissertation deals with several kinds of signals including cosine wave ( cw ), linear frequency modulated ( lfm ) and multi - component signal, furthermore the systematic comparison of estimation effect among cwt and several other usual methods as well cramer - rao bound ( crb ) is given
基於上述方法，文中分別對單頻矩形脈沖信號、線性調頻脈沖信號以及多分量信號進行了瞬時頻率估計，並與其他幾種常用瞬時頻率估計方法的性能以及crb進行了系統比較。 -
The united signal for the isar signal processing is called the cross - range dimension signal. the cross - range dimension signal of the target with nearly tangent motion is a linear frequency modulated signal
由推導的準切向運動目標的方位向信號的相位表示式可以看出，此信號近似為線性調頻信號。 -
Linear frequency modulated ( lfm ) signals as the most popular pulse compression signal are a typical kind of time - varying, nonstationary signals, so applying the wigner - ville distribution into lfm signals has more advantages than conventional methods
雷達脈沖壓縮技術中所使用的線性調頻信號是一類典型的時變非平穩信號，採用時頻分析的研究方法處理線性調頻信號有著傳統方法無法比擬的優點。 -
Briefly, here are main topics of this dissertation : ( 1 ) the relation between the resolving power of the linear frequency modulated continuous wave radar and the linearity of linear frequency modulation signal
同樣，輸出數據也可以通過雙口ram和pci介面輸出。本文的主要工作包括： （ 1 ）介紹了線性調頻雷達距離分辨力和調頻線性度的關系。 -
Continuous single tune jamming is an effective jamming to linear frequency - modulated radar. however it can not suppress signal output after being full of the sidelobe suppress filter of the jammed bi - phase coded radar, no matter how great the power of it may be
單頻正弦波干擾對線性調頻雷達是一種有效干擾，但對於二相編碼雷達無論具有多大的功率在充滿二相編碼雷達接收機的旁瓣抑制濾波器后也不能壓制信號主瓣，因此是一種無效干擾。 -
In this dissertation, at first, introducing the theory of linear frequency modulated continuous wave radar. the designing of the signal processing hardware platform is basing on the algorithm
在本文中，首先介紹了線性調頻雷達的工作原理和相關的理論，根據這些演算法要求，來設計信號處理的硬體平臺。 -
In the information environment of radar there are some signals such as regular and binary phase modulated pulse signal and linear frequency modulated signal are used widely
在雷達信號環境中，最常見的信號包括常規脈沖調制信號、脈內二相編碼信號以及線性調頻信號。對這些信號的載頻測量在電子戰中具有重要意義。 -
With the design and realization of the module as the background, the elementary theory of lfm signal 、 the detailed structure of the module 、 the systemic performance analysis 、 evaluation and optimization are discussed in this article. the paper is composed of four parts : first, the elementary theory of lfm ( linear frequency modulated ) signal is studied
圍繞信號源模塊的設計與實現，本文主要討論了線性調頻信號的產生方法、系統的設計與實現技術、性能分析及性能改進四部分:第一部分主要討論了線性調頻信號的基本理論。 -
A high - resolution method for frequency measurement is strongly introduced in the paper, which is aim at detecting the frequency of regular and binary phase coding modulated pulse signals with high frequency precision. considering the popularity of linear frequency modulated ( lfm ) signal in electronic systems, this paper then referred a radon - stft arithmetic to calculate the carry frequency of lfm signal. both of these methods referred above are implemented in the signal if detection software
針對常規脈沖調制信號和脈內二相編碼調制信號，本文提出一種高精度的數字化測頻方法，以提高信號載頻測量精度;線性調頻信號作為一種典型的非平穩信號在各種領域應用十分廣泛，但對其載頻的數字化測量比較困難，本文利用圖像處理中的radon變換與信號時頻分析中的線性變換相結合的演算法來完成對其載頻的測量。 -
Waveform design and generation is one of the key techniques in uwb - sar development. with an air - borne uwb - sar system as the background, the foundational theory of lfm signal, the systemic error model and the design and implementation of lfm generator were discussed in this paper. the paper is composed of four parts : first, the foundational theory of lfm ( linear frequency modulated ) signal was studied
超寬帶信號的產生方法和系統設計是實現超寬帶合成孔徑雷達的一項關鍵技術，本文以機載合成孔徑雷達系統的研製為背景，討論了線性調頻信號的基本理論、基於數字技術產生線性調頻信號的方法及其誤差模型、系統的設計實現技術及系統性能的測試和評估等內容，全文分以下四部分： ?第一部分主要討論了線性調頻信號的基本理論。 -
Linear frequency - modulated ( lfm, chirp ) signal that is often applied in radar, sonar and communications system is nonstationary signal, in which the frequency varies with time
應用於雷達、聲納和通信等信息系統中的線性調頻（ lfm ， chirp ）信號是非平穩信號，即頻率成分是隨時間變化的。
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