您要查找的是不是：
- 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衝。
- 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為冠狀位快速自旋迴波T2加權像。
- The director could be slewed quite quickly until the range operator picked up the target echo. 指揮儀快速迴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衝。
- 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：將目標返回的無線電回波放大並轉化為示波器上可見的脈衝信號。
- 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. 摘要對分散式星載SAR系統地面回波模擬程序并行化演算法進行了研究。
- 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. 傳統的基於目標回波信號強度的檢測方法在海底存在岩石等類似於水雷等人造目標的情況下，常會導致較高的虛警率。
- 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. 本文通過軟體模擬和動模實驗結果，發現和分析了交交變頻器固定脈寬觸發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. 對天線照射區域內的雜波進行了分割，採用近似目標回波的處理方法對雜波進行了建模，並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. 當指揮儀旋轉的時候，其上的雷達天線也跟著轉動，當顯示器上的目標回波被中央方位線（center bearing line）分為兩半時，雷達天線就對準了目標，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，對原始的多普勒中心估計方法進行了改進，提高了運動參數估計精度。
- Solid State Laser Pulse Trigger Based on MCU 基於單片機的固體激光器脈衝觸發器的研製
- 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. 摘要闡述基於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佈信息識別水下目標尺度信息的方法。
- electrical pulse trigger generator 電脈衝觸發系統
- 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境數學模型，包括雷達發射信號數學模型，目標回波信號數學模型，電子干擾（有源干擾和無源干擾）信號數學模型，雜波數學模型以及雜訊數學模型
- 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製已成為國內外軍事研究領域的一個熱門研究方向。 本文以某種機載相控陣雷達信號模擬器的研製為背景，對目標回波信號和雜波的模擬理論和演算法以及系統實現等問題進行了較為深入的研究，並通過採用高速、高性能的DSP，實現了對機載相控陣雷達信號的實時模擬。
- 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與多普勒速度的聯合估計定位應用於雙基地雷達 ,重點分析雙基地雷達系統中對目標回波頻率量的無源檢測方法。
- 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，採用全數字方式產生雜訊、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；
