I beg to differ from you on the opinion. 恕我对你的看法不敢苟同。
User-programmable conversion controls include variable acquisition time and first conversion delay. 用户可编程转换控制包括可变采集时间及第一转换延迟。
The simulation results show that the average acquisition time of the new method is less than the existing algorithms. 通过仿真,表明新方法的平均捕获时间优于已有的算法。
In a spread spectrum communication system, pseudocode acquisition and tracking is the base of communication and the acquisition time has direct effect on system performance. 本文针对新型的卫星用接收机伪码捕获的性能指标要求,设计了一种基于中频直接采样数字化的伪码捕获算法。
The mean acquisition time of the FSASE method is derived by the generating function flow graph technique for the fading channel. 文中采用生成函数流图法推导出了衰落信道下FSASE算法平均捕获时间的闭式解。
It deeply analyzes the effect of loop parameters on acquisition ability and the relation between scanning rate and acquisition time. 重点分析了环路参数对捕获性能的影响以及扫描速率与捕获时间的关系。
In the traditional PAT system, its large volume and long acquisition time restrict the development of the space laser communication. 现实中PAT系统的庞大体积和较长捕获时间制约着空间激光通信的快速发展。
The principle of a parallel-serial fast acquisition spread spectrum system was brought forward, the average acquisition time of this method was compared with that of gliding correlation and verified with simulations, and a scheme for its implementation based on VHDL was presented. 对此方法的平均捕获时间同滑动相关法的平均捕获时间做了详细的比较和仿真验证,并给出了基于VHDL的并/串结合的快速捕获实现方案。
Research on Acquisition Time to Spread Spectrum Radar Signals 扩谱雷达信号截获时间研究
Frequency acquisition should be carried out following the initial cell search, a method based on FFT and quadratic interpolation is proposed in this paper, which can result in higher estimation precision and shorter acquisition time. 载频同步在初始小区搜索之后完成,本文给出了一种基于FFT和二次插值的实现方法,既提高了频差估计的精度,也减少了频差识别的时间。
This paper mainly analyses the influence of data acquisition time, tie point accuracy and different net-forms on network accuracy in the case of establishing the control network in mining areas with GPS positioning technique. 主要分析了利用GPS定位技术建立矿区控制网时,数据采集时间、约束点精度以及不同网形对网精度的影响,提出了保证GPS网精度的几点建议。
A block diagram had been given for the implementation of hardware, a mathematical model had been established for the acquisition system, and a mathematic expression had been derived using the state transfer function for the average acquisition time. 给出了系统硬件实现的原理框图,建立了系统的数学模型,采用状态转移函数推导了系统平均捕获时间的计算表达式。
If the channel fades faster, the mean acquisition time is longer and the performance is worse. 衰落速度越快,平均捕获时间就越长,系统的捕获性能就越差。
The mathematic model of the hybrid DS/ FH system's synchronization process was provided, the mean acquisition time expression using this method and generalized mean acquisition time formula was derived. 建立了DS/FH混合系统同步过程的数学模型,推导出采用该方案平均捕获时间表达式以及等待搜索同步法平均捕获时间计算公式。
A new approach of mean acquisition time for spread spectrum radar which is called sequential acquisition method is explored in this paper. 对采用顺序搜索截获法的扩谱雷达的平均截获时间进行了研究。
For example, ( 1) its acquisition time is within one period of the input signal ( 2) the output signal is synchronized with its input signal; 其特性有:(1)跟踪时间为一个输入信号周期;(2)输出信号和输入信号同步;
The acquisition time of synchronization, the detection, probability of synchro-nization and false synchronization probability and a brief review of. 分析了同步的捕获时间,同步信号的检测概率和虚假同步概率。
The average acquisition time and its variance has improved. 结果显示,有反馈结构的新的搜索捕获系统的捕获时间和捕获方差性能在低信噪比的情况下都得到改进。
This correlator can search all possible code shifts in one step, so decreases the acquisition time, meets the real-time requirements. 这种相关器可以一步搜索到所有可能的码相位偏移,大大提高了捕获速度,比较好地满足了实时处理的要求。
Compressive sensing can sample signal and compress data at the same time when the signal is sparse or can be sparse represented. The data acquisition time and data storage space could be greatly reduced. 压缩感知是针对稀疏信号或可压缩信号,在信号采样的同时进行压缩的一种新的信息采集处理方法,其可以大大缩短采样压缩时间和数据存储空间。
The result shows that detection probability and average acquisition time has been improved remarkably, and for alarm probability, adaptive threshold system has a better performance than fixed threshold system. 结果显示,改进方案对检测概率和平均捕获时间都有明显改善,而在虚警概率方面,自适应门限系统比固定门限系统也有改善。
Traditional synchronization techniques result in prohibitively long acquisition time and a suboptimum performance. 传统的同步算法应用在IR-UWB中捕获时间太长,性能不是最优。
Average acquisition time based on Markov chain system structure has been analyzed. The new algorithm can still maintain good performance even under conditions of severe signal to noise ratio, and the synchronization time is also reduced greatly. 3. 另外,进行了基于马尔可夫链的新捕获结构的平均捕获时间的分析;新算法在较恶劣信噪比条件下仍能保持较好的性能,而且大大缩短了同步过程所需要的时间。
Based on the study of the existing scanning methods, this article brings out a time shortest scanning method. Thus, by improving the scanning method shorten the acquisition time; improve the Acquisition performance of APT system. 在对现有扫描方式分析的基础上提出了一种捕获时间最短的扫描方式,从而通过改进扫描方式,提高捕获概率,缩短捕获时间,提高APT系统的捕获性能。
Under the assumption of white Gaussian noise channel, the expressions of detection probability, alarm probability and average acquisition time were present. The performance of the improved method and the sliding correlator acquisition method is compared in the paper. 在高斯白噪声信道下,分别推导了检测概率、虚警概率和平均捕获时间的表达式,并将改进捕获方案和滑动相关捕获方法进行了比较。
This scheme achieves the aim of finishing searching PN code phase and Doppler frequency simultaneously after reading in M PN code cycles of spread spectrum signal, which shortens the acquisition time greatly. 此方案实现了一次读入M个伪码周期的扩频信号,同时完成伪码相位和多普勒频率搜索的目的,使捕获时间大大缩短。
The algorithm proposed by author can search the uncertainty parallel in time and frequency domain, so it can shorten the acquisition time. 本算法可以并行搜索频域和时域的不确定度,缩短了捕获时间。
The parallel MRSI applies multiple coil array for parallel data acquisition, which reduce the acquisition time by reduce the phase encoding steps in one or two directions in space. 新近出现的并行MRSI技术采用多个接收线圈阵列同时采集数据,在保持空间分辨率不衰减的情况下,从一个或两个空间方向减少相位编码步数,大大减少了扫描时间。
It greatly reduces the knowledge matching and data acquisition time and the server thread creation and destruction time. 这些措施大大减少知识匹配和数据获取的时间开销以及服务器创建和销毁线程的时间开销。