| 1. | Generation and synchronization of chaotic wideband signal
宽带混沌信号的产生与同步 |
| 2. | An estimation algorithm for the arrival direction of wideband signal
一种宽带信号方位估计算法 |
| 3. | Wideband ambiguity function ( waf ) is the powerful tool to analyze the wideband signal , and it is also coherent to cwt
宽带模糊度函数是宽带信号分析的有力工具，它与连续小波变换也是内在一致的。 |
| 4. | The basic theory of wideband signal processing is discussed and presented . the coherence among cwt , wcp and waf is pointed out emphatically
论述了宽带信号处理的基本理论，指明了连续小波变换与宽带相关处理、宽带模糊度函数的一致性。 |
| 5. | Two kinds of typical wideband signal , frequency modulation ( fm ) signal and frequency spread signal , is analyzed qualitatively with wideband ambiguity function
以宽带模糊度函数为工具定性地分析了两类典型宽带信号，即调频信号和频率分集信号。 |
| 6. | There are two reasons . first one on the hardware , devices are complex and manufacture difficulty , especially to wideband signals . the second , each method is based on some supposed condition , but it is difficulty in fact
主要有两方面的原因：一是硬件上要求系统设备复杂，一致性高，尤为对宽带信号则更加有难度；二是每个算法都是基于一定的假设前提，实际中难以满足。 |
| 7. | Aiming at the practical applications on engineering , the dissertation studies the theories and application technologies of constant beam - width beam - former and doa estimation for wideband signals . the main results and achievements are summarized as follows : 1
论文从实际工程应用的角度出发，系统研究了恒定束宽波束形成和宽带高分辨阵列信号处理的相关理论和实现技术，主要研究内容包括： 1 |
| 8. | The computer simulation results verify the validity of two adaptive algorithms applied to circular array . the algorithms are least square based on qr decompose ( qrd - ls ) and sampling matrix inversion based on qr decompose ( qrd - smi ) . then we apply circular array with wideband signal
其次,验证了基于qr分解的最小二乘算法( qrd - ls )和基于qr分解的采样矩阵求逆方法( qrd - smi )两种自适应算法在均匀圆阵中的有效性。 |
| 9. | After comparing several analog and digital generation methods of lfm signal , this paper confirms the system scheme as direct digital synthesis plus quadrature modulation . combined with agilent arbitrary waveform generator and phasor signal generator , a generation system is established and a ultra - wideband signal , whose bandwidth is 1ghz and carrier frequency is 4ghz , is generated
通过对几种模拟与数字线性调频信号的产生方法的比较,本文采用了以直接数字波形合成( ddws )加正交调制的系统方案,并结合实际的仪器设备,产生了带宽为1ghz ,载频4ghz的超宽带线性调频信号。 |
| 10. | This dissertation investigates primarily the channelized receiver ’ s application in electronic reconnaissance , and puts forward a project of the wideband signal reconstruction system including 4 - band efficient channelized receivers and a project which is 8 - band efficient digital channelized ifm receiver , then testifies them with simulation
文中重点讨论了信道化数字接收机在电子侦察中的应用,提出了基于数字信道化高效结构的4信道重建系统方案和8信道ifm接收机方案,并通过系统仿真论证了方案的正确性。 |
