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- Adaptive MTI techniques used in radar signal processing,that is,moving clutter suppression to radar echo signal is discussed. 討論雷達信號處理中的自適應動(dòng)目標顯示技術(shù),即雷達回波信號中的運動(dòng)雜波抑制問(wèn)題。
- The radar signal model in EW condition is discussed in this paper,including the model of emitting signal,the model of target echo signal,the model of jamming,the model of clutter and the model of noise. 文中建立了電子戰條件下雷達信號環(huán)境數學(xué)模型，包括雷達發(fā)射信號數學(xué)模型，目標回波信號數學(xué)模型，電子干擾（有源干擾和無(wú)源干擾）信號數學(xué)模型，雜波數學(xué)模型以及噪聲數學(xué)模型
- A new method of radar detection based on blades echo processing is proposed, and the time space adaptive processing scheme of the suppressing of sea clutter and the processing of blades echo signals for AEW radar is discussed. 著(zhù)重就機載預警雷達采用時(shí) -空級聯(lián)自適應處理技術(shù)對海雜波的抑制和旋翼回波信號處理的方法進(jìn)行了研究 .
- It can also simulate the speed about distance changing and adjust the pulse width of echo signal. 此外，本目標回波距離處理器還可以仿真距離變化速率，調節回波脈沖的寬度。
- SPGA algorithm compensates the envelope and phase of the echo signal which has not be corrected range migration. SPGA算法利用估計得到的側擺對距離徙動(dòng)校正前的回波數據進(jìn)行包絡(luò )和相位補償。
- Describes a distance simulator of echo signal used in radio frequency simulation system. 描述了射頻仿真系統中使用的目標回波距離處理器。
- Because the truths of the echo signal simulation are directly influenced by the accuracy of the simulation algorithms. 模擬算法的優(yōu)劣直接影響著(zhù)模擬產(chǎn)生的回波信號的真實(shí)性。
- Radio frequency simulation system(RFSS) is mainly used to simulate echo signal of radio frequency target in laboratory. 射頻仿真系統(RFSS)主要是用在實(shí)驗室里模擬空中射頻目標信號。
- A way to measuring the vector miss distance using echo signal from Multiple Frequency CW-Tracking Radar is described in this paper. 本文詳細介紹了利用多頻連續波測量雷達回波信號進(jìn)行脫靶量測量的方法。
- Miss distance parameters are estimated by matching pursuit algorithm to search the basis function which best matches the echo signal. 通過(guò)匹配追蹤算法尋找與回波信號最匹配的基函數來(lái)確定脫靶量參數。
- The imaging fundamental of SAR was expatiated and the raw echo signal model of complex three-dimensional ground object target was established. 闡述了復雜三維地物目標模型的建立方法,分析了回波信號的結構并且討論了成像仿真參數。
- Based on non-Gaussian AR-model, parametric bi-spectrum method is used to extrapolate radar echo signal; then the ISAR imaging has been done. 利用雙譜分析方法,用非高斯AR模型對雷達目標回波信號進(jìn)行參數化雙譜估計,并在此基礎上對數據進(jìn)行外推處理,然后對數據進(jìn)行ISAR成像。
- An ocean echo signal simulation system for verification and calibration of FMICW high frequency ground wave radar is presented in this paper. 該文給出一種調頻中斷連續波(FMICW)高頻地波海況監測雷達的仿真模擬檢驗系統。
- Physical characteristics of terrestrial surface targets are retrieved by information contained in laser pulse echo signal with laser altimeter. 摘要激光測高儀依靠回波信號包含的信息來(lái)反演地面目標的物理特性，因此必須保持回波信號的保真度和高信噪比。
- It is defined as the power of the original echo over the power of the residual echo signal after cancellation in dB unit. 它被定義為原始的回聲越過(guò)殘余回聲信號后被消除的分貝動(dòng)力。
- The result shows that in order to obtain the strong echo signal,a suitable selection of the ultrasonic transducer operating frequency is necessary. 由此表明,選擇合適的聲發(fā)射換能器,有助于提高液位檢測回波信號的強度。
- Conventional methods based on the intensity of target echo signal will result in high false alarming rate if mine-like object such as rock laying on the seafloor. 傳統的基于目標回波信號強度的檢測方法在海底存在巖石等類(lèi)似于水雷等人造目標的情況下，常會(huì )導致較高的虛警率。
- His room is always in a clutter. 他的房間總是凌亂不堪。
- It is convenient to measure the RCS, and the antenna pattern by this system having resolutions of both the turning angle of 1/36 degree and the echo signal voltage of 2.5mV. 該系統具有1/36度的轉角分辨能力和2.;5mV的回波電壓分辨能力;適用于目標RCS、天線(xiàn)方向性圖等測量。
- In LFMCW radars,the echo signal of moving target with acceleration has Doppler aberration which will cause the detection performance and parameter estimation loss of target. 在線(xiàn)性調頻連續波(LFMCW)雷達中,加速度運動(dòng)目標回波存在多普勒頻譜畸變現象,造成目標檢測性能和參數估計精度損失。
