| 1. | A technique of recognition for radio detected target based on wavelet and neural network theory
神经网络的无线电探测目标识别技术 |
| 2. | Detecting sonar pulse transmitted by an active sonar , it is called " sonar pulse detection "
声呐脉冲侦察是利用目标主动声呐发射的脉冲信号来探测目标的技术。 |
| 3. | The traditional air defense system which detect and attack targets only depend on ordinarily radar was in an exceedingly passive position and difficult to ward off blows when the cruise missile was used in war
它的出现使得传统的仅仅依靠普通雷达探测目标和引导武器射击目标的防空系统处于极端被动和难以招架的局面。 |
| 4. | Bgmi roic is a high performance roic with adaptive current gain control and background current suppression . it is very significant for surveying far object and high background applications
该读出电路具有自适应增益控制和背景电流抑制功能，是一种高性能的读出电路，对远距离探测目标和高背景应用都具有十分重要的意义。 |
| 5. | Detecting sonar pulse transmitted by active sonar , it is called " sonar pulse detection " . the main task of it is to measure the working parameter of active sonar and track the target
声呐脉冲侦察的主要任务是侦察目标主动声呐的工作参数，对目标实施跟踪，是利用目标主动声呐发射的脉冲信号来探测目标的被动测距技术。 |
| 6. | Because of the long distance of exploration targets and the non - determinacy of flight environment in deep space exploration , a key problem proposed is how to control and operate the deep space explorer reliably and in real time
深空探测由于探测目标距离远,飞行环境不确定等因素,给探测器的控制和操作带来了实时性和可靠性的问题。 |
| 7. | According to the target distance ( 5 ~ 50m ) , a c - band transceiver for ranging was presented in this thesis . the focus of this work was on designing a c - band frequency - modulated continuous - wave ( fmcw ) frequency source , a receiver and microstrip antenna
本文针对所探测目标的距离( 5 ~ 50m ) ,研制了c波段测距收发前端,主要包括c波段调频连续波( fmcw )频率源,接收电路以及微带天线。 |
| 8. | Frequency domain analysis and time - frequency joint analysis of experimental results show that the complex vibration of target can be effectively detected by laser micro - doppler effect , and it lays the foundation of target detection , classification and recognition
实验结果的频谱分析和时频域的联合分析表明：利用激光微多普勒效应，可以有效地探测目标的复合振动，为目标的探测、分类和识别奠定了基础。 |
| 9. | This dissertation is the expanding of the military project of ‘ 95 ’ advance research , a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ) , named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability " . based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal , we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal . the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal , so that we could get a strong response of the target
本论文是‘九五’军事预研项目“低截获概率雷达波形研究”的扩展与深入，同时结合国家自然科学基金项目“强探测强识别传感器新型复合调制信号产生及处理”展开。在分析等概率分布的fsk / psk复合调制信号的基础上，构造了一种新的伪随机fsk / psk复合调制信号及其非完全匹配处理的设计及仿真。设计的目的是能对伪随机fsk / psk复合调制信号进行处理的处理信号，以期获得对所探测目标信息的强探测。 |
| 10. | In the research realm of the target identify , an important topic is to minish the laser radar cross section of the space target for target stealth . the laser radar probes a target is based on the target under the laser , the space and time distribute characteristic of the strength ? polarization and phasic of the laser scattering etc . to identify a target
在目标识别研究领域有一个重要的课题是减小空间目标的激光雷达散射截面便于目标隐身。激光雷达探测目标是根据目标在激光照射下,激光散射的强度、偏振和相位等的空间和时间分布特征来识别目标,目标表面粗糙度是影响目标激光散射特性的重要影响因素。 |
