| 1. | High resolution array processing for direction - of - arrival estimation of underwater multiple targets by computer simulation method
水下多目标定向高分辨阵列处理的计算机仿真方法研究 |
| 2. | It is well known that array processing technique is a main branch of underwater acoustic signal processing and multi - target parameter estimation
阵列处理是水下声信号处理的重要组成部分，是进行水下目标参数估计的重要环节。 |
| 3. | People try to use different means to eliminate the noise , such as adaptive cancellation , optimal array processing etc . but all these methods are complicated and expensive
对于这个干扰人们想了很多办法来消除它的影响，自适应法是比较常用的方法，但是这种方法比较复杂，成本也比较高。 |
| 4. | Independent component analysis ( ica ) is one of these methods . as a new array processing technique , ica is an effective means to resolve the bss problem
近年来随着独立分量分析( independentcomponentanalysis简称ica )在信号处理界引起的广泛关注，该技术也被迅速应用到生物医学信号处理领域。 |
| 5. | In applications of array processing such as radar , sonar , and wireless communications , the array observed signal is best modeled as a distributed , rather than a discrete source
在雷达、声纳、无线通信等阵列处理应用环境中，由于存在丰富的多径散射，阵列观测信号更适合采用分布源模型来描述。 |
| 6. | In this dissertation focuses are placed on the design of dsp ( digital signal processor ) system which is applied for underwater acoustic signal processing - digital multibeamforming array processing system
本文对应用于水声信号处理中的dsp系统? ?多波束阵列处理器系统的设计和研制进行了初步的探讨和研究。 |
| 7. | Blind signal separation is a new technique of signal processing aimed at retrieving a system ' s unknown information from its output only , which can be used in array processing and data analysis
盲信号分离技术是信号处理中用于阵列处理和数据分析的一种新的技术，在源信号和混合过程未知情况下，从混合信号中分离出源信号。 |
| 8. | Great efforts has been made for the 4 * 8bit feram cell array processing . the major problems existing in feram processing are ferroelectric capacitor etching , and interconnect process impact on ferroelectric capacitor . the modification of correspond process steps was proposed
其中， 600c氧化的含阻挡层的样品，其漏电性能比同样条件下氧化的无阻挡层的样品有非常大的提升； c v特性也得到了改善。 |
| 9. | In addition , this paper discusses the method of interface control on the extended ? ata ? ut dynamic ram , and the application of it iii the data corner turn array processing board , which is valuable to the realization of data corner turn array processing in sar imaging in the future
另外，本文对edo动态存储器芯片的接口控制方法进行了探讨，并将它应用在转置矩阵处理板中。这对今后sar成像中转置处理的实现有一定的参考价值。 |
| 10. | ( 2 ) the disturbances are analyzed which are caused when signals with a few work frequencies are inputted . and the influence in the realization are also discussed such as calculation period and the quality of multibeamforming . they are solved by software and hardware methods - array processing with multiple dsp and low - passed re - filter
( 2 )根据本系统的多个工作频率的特点，分析了各个工作频率的输入信号波束形成时造成相互干扰，以及对波束形成算法的影响(如在dsp处理器中的实现的运算量、波束结果的质量等) ，提出相应的软件和硬件解决方案? ?多dsp阵列处理和二次低通滤波，并进行了理论仿真。 |
