| 1. | Emulational research on undersampling system 欠采样系统的仿真研究 |
| 2. | Application of bandpass undersampling principle in software radio 带通欠采样定理在软件无线电中的应用 |
| 3. | The implications of this analysis are extremely important in undersampling applications 这个分析的意义在欠采样应用中是非常重要的。 |
| 4. | This thesis deals with some problems of array signal processing in spatial - temporal undersampling 本论文研究空间和时间欠采样情况下阵列信号处理问题。 |
| 5. | Uniform undersampling technique of bandpass signal and its engineering application in software digital if receiver 带通欠采样技术及在数字中频软件接收机中的工程应用 |
| 6. | The advantage and disadvantage of the method of azimuth pre - filtering and undersampling and the method of subaperture processing are compared 比较了方位向预滤波降采样方法与子孔径处理方法各自的优缺点。 |
| 7. | The effects of sampling clock jitter on signal - to - noise ratio ( snr ) and effective bit ( enob ) performance discussed in section 3 are even more dramatic in undersampling applications because of the higher input signal frequencies 在第三章讨论的采样时钟抖动对信噪比和有效位性能的影响在欠采样应用中因为更高的输入信号频率显得更有戏剧性。 |
| 8. | At the same time the case of coherent signal sources is also discussed and an algorithm for estimating 1 - d angle - of - arrival from under - sampled data is proposed in the thesis . moreover , a system of digital signal processing receiver using spatio - temporal undersampling technique is described and some practical problems are also discussed 在理论分析的基础上,结合某实际研究项目,论文给出了基于空时欠采样条件下一种侦察测向数字信号处理机的硬件实现,并就工程实现中的一些问题进行了讨论。 |
| 9. | In prototype system , a l - shaped non - uniform linear array with 5 elements is utilized to receive spatial signal with carrier frequency among 2 - 18ghz . the entire frequency band is decomposed into 1ghz sub - bands and then is mixed to 1ghz base band . the base band output of each antenna is sent through a synchronous 250mhz undersampling channels 在本实验系统中,我们设计了一个5阵元的l型非均匀阵列天线,将的频段划分成的子频段,然后将每个子频段混频到的处理基带后再进行的同步欠采样。 |
| 10. | As a result , digital images usually suffer from aliasing due to undersampling , loss of high - frequency detail due to relative motion or out - of - focus . supperresolution involves up - conversion of the input sampling lattice as well as reducing or eliminating aliasing and bluring 因此,通常数字图像因欠采样( undersampling )而引起的信号混叠,因低分辨率传感点扩散( psf : pointspreadfunction )而造成的高频部分、丢失,以及因相对运动或散焦造成的光学模糊等因素而受损。 |