Using high frequency intra - day data, we study the correlations between liquidity and trading activity and their time series property.
本文利用日内交易的高频分时数据，研究了流动性和交易活动之间的相关性和各自的时间序列性质。
WLAN and Ad hoc networks are widely applied in different fields, but the limited frequency bandwidth will induce the inter-system and intra-system interference , and reduce the performance of network.
WLAN和自组织网具有广泛的应用前景。但有限的频率带宽会导致系统间或者系统内的相互干扰，降低网络性能。
This paper analyzes the technology with intra-pulse chirp and inter-pulse stepped frequency to obtain high-resolution range profile. The echo expressions of static and moving targets are derived.
本文分析阐述了利用脉内调频、脉间跳频技术获取距离高分辨一维成像的可行性，导出了静止目标和运动目标的回波表达式。
The ambiguity function of intra-pulse chirp and inter-pulse stepped frequency signal is analyzed and obtained according to new type radar. Firstly, the expression of the signal is given.
本文结合新型体制脉内调频、脉间步进跳频雷达，分析推导了该信号形式的模糊函数。
Some research is processed as follow:In the area of video de-noising, we did our research on various intra-frame de-noising methods on spatial domain, frequency domain and wavelet domain.
在视频降噪方面，从帧内与帧间两个角度对视频降噪方法进行了研究。
Some research is processed as follow:In the area of video de-noising, we did our research on various intra-frame de-noising methods on spatial domain, frequency domain and wavelet domain.
在视频降噪方面，从帧内与帧间两个角度对视频降噪方法进行了研究。
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