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- Operator interface has optional hands free aligning and pulse triggering. 操作界面可以選擇非手工排隊和脈沖。
- Methods 59 patients with upper urinary tract obstruction were subjected to MRU performed in a heavily T2 weighted fast echo pulse sequence in the coronal plane. 方法59例上尿路梗阻性疾病患者接受檢查，MRU為冠狀位快速自旋回波T2加權像。
- The director could be slewed quite quickly until the range operator picked up the target echo. 指揮儀快速回轉直到測距手捕獲目標的反射回波。
- Controls are simple and easy to use. Output parameters can be easily identified and adjusted. Operator interface has optional hands free aligning and pulse triggering. 控制簡(jiǎn)單,使用方便。所輸出的參數容易辨認和調整。操作界面可以選擇非手工排隊和脈沖。
- Receiver: Amplifies the weak r-f echo pulses returned by the target and reproduces them as video pulses to be applied to the indicator. 接收機：將目標返回的無(wú)線(xiàn)電回波放大并轉化為示波器上可見(jiàn)的脈沖信號。
- Target echo signals are the main information source in underwater acoustic detection system. 目標回波信號是水聲探測系統主要的信息來(lái)源。
- Series-connected high voltage delayed breakdown device switches applied to pulse trigger generator for fast risetime[J]. 引用該論文 孫鐵平;韓娟娟;吳撼宇;黃濤;張國偉;叢培天;蒯斌;曾正中.
- The parallel arithmetic of distribute space borne SAR ground target echo data simulating procedure was examined. 摘要對分布式星載SAR系統地面回波仿真程序并行化算法進(jìn)行了研究。
- 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。
- The disadvantages of the invariable width pulse triggering and the first current-zero bank selection in FFTS have been found and analyzed by the software simulations and experiment results. 本文通過(guò)軟件仿真和動(dòng)模實(shí)驗結果，發(fā)現和分析了交交變頻器固定脈寬觸發(fā)控制以及第一零電流選組控制的缺陷。
- The cluttering area wherein the fuze antenna illuminates is distributed into small clutter cells and the clutter modeling is built up as the method of fuze target echo modeling. 對天線(xiàn)照射區域內的雜波進(jìn)行了分割，采用近似目標回波的處理方法對雜波進(jìn)行了建模，并將該方法應用到引信目標模擬器中。
- When the target echo on the radar scope is bisected by the center bearing line, the director is trained on the target, and the correct value of director train is determined. 當指揮儀旋轉的時(shí)候，其上的雷達天線(xiàn)也跟著(zhù)轉動(dòng)，當顯示器上的目標回波被中央方位線(xiàn)（center bearing line）分為兩半時(shí)，雷達天線(xiàn)就對準了目標，指揮儀的旋轉角也就確定了。
- Based on the characteristic of target echo in ISAR, the original method of Doppler center estimation is ameliorated to increase the motion parameter estimation precision. 針對ISAR中目標回波的特點(diǎn)，對原始的多普勒中心估計方法進(jìn)行了改進(jìn)，提高了運動(dòng)參數估計精度。
- Solid State Laser Pulse Trigger Based on MCU 基于單片機的固體激光器脈沖觸發(fā)器的研制
- A method of underwater target dimension identification was proposed by special bearing distribution data of body target echo based on identification theory of a target bearing method. 摘要闡述基于目標方位走向法的目標識別理論，提出利用體目標回波的空間方位分布信息識別水下目標尺度信息的方法。
- electrical pulse trigger generator 電脈沖觸發(fā)系統
- 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
- This dissertation discusses mainly the realization of the radar signal simulator for an Airborne Phased-Array Radar (APAR), the simulation methods of target echo and clutter for APAR, and the application of hi-speed DSP chip in radar simulator. 尤其在近幾年，雷達信號模擬器的研制已成為國內外軍事研究領(lǐng)域的一個(gè)熱門(mén)研究方向。 本文以某種機載相控陣雷達信號模擬器的研制為背景，對目標回波信號和雜波的模擬理論和算法以及系統實(shí)現等問(wèn)題進(jìn)行了較為深入的研究，并通過(guò)采用高速、高性能的DSP，實(shí)現了對機載相控陣雷達信號的實(shí)時(shí)模擬。
- This paper discusses the application of joint estimation of DOA and Doppler velocity in passive bistatic radar, and analyzes emphatically the passive detection of target echo frequency in passive bistatic radar. 將 DOA與多普勒速度的聯(lián)合估計定位應用于雙基地雷達 ,重點(diǎn)分析雙基地雷達系統中對目標回波頻率量的無(wú)源檢測方法。
- This system is a array processor system based ADSP21160, it can simulate environment noise, target echo and reverberation.It can be controlled by computer or underwater homing weapon. 該系統使用ADSP21160構成陣列處理器系統，采用全數字方式產(chǎn)生噪聲、目標回波和混響，既可以在主控機控制下工作，也可在制導武器控制下工作；
