In this research, MATLAB is utilized to simulate different conditions under which the subgroup number and shift are various and calculate the signal probability.
在研究的过程中,主要使用MATLAB编制相应的模拟运算程序模拟生产数据,然后对不同样本量和偏移量分别进行模拟计算。
The probability density function (PDF) is constructed from the time distributions of signal and backgrounds and the relations among time, time uncertainty, mass, and mass difference variables.
根据信号、本底的时间分布以及时间、时间误差、质量、质量差等变量之间的关系,构建概率密度函数。
Firstly, the obtained radar signal radio frequency, pulse width, repeat frequency are composed to get a combined probability assignment function of radar parameters by applying D-S method.
首先,对侦察雷达所能探测到的目标雷达信号的载频、脉宽、重频,应用证据理论将其组合,得到雷达参数的联合概率分配函数。
Probability statistics parameter was used to describe the pertinence of engineering signal variables as well as the use of correlate analysis technology in engineering test.
介绍运用概率统计参量描述工程信号变量间的相关性,及相关分析技术在工程测试中的应用。
To improve the Signal-to-noise Ratio(SNR) and detecting probability of small target in infrared image sequences, a novel method of target detection based on spatial-temporal filtering is proposed.
为了提高红外图像序列中弱小目标的信噪比和检测概率,同时考虑检测算法实时性,提出了一种新的基于空时域滤波的小目标检测方法。
Based on data rate conversion technology, wideband digital EW receiver is able to achieve high intercept probability, high sensibility and the ability of approximately real-time signal processing.
建立在数据率转换技术之上的宽带数字侦察接收机要求能够实现高截获概率、高灵敏度、近乎实时的信号处理能力。
Random pulse position modulation (RPPM) signal not only has good resolution of distance and velocity, but also has low probability of interception and strong properties of eccm.
随机脉位调制信号不仅具有良好的距离和速度分辨力,而且具有较低的被截获概率和较高的抗干扰性能。
Channelized receiving of wide band radar signal and 100 percent of probability of intercept can be realized by channelized receiver based on SAW filter Banks.
以声表面波滤波器组为核心的信道化接收机,可以实现对雷达信号的宽频的信道化接收和100%的截获概率。
The LFM signal has a high resolution of range and speed, as well as low probability of intercept.
LFM信号具有更高的距离、速度分辨率,以及更好的低截获概率特性。
There has been four kinds of main early warning models of exchange crisis at present, namely "signal" approach, probit model, cross-county regression model and subjective probability method.
目前已经出现了四种主要的外汇危机预警模型,即信号方法、概率单位方法、截面回归方法以及主观概率法。
Finally, the Low Probability of Intercept (LPI) of SPRI-SF radar signal is analyzed.
最后,分析了参差脉冲重复间隔步进频率信号的低截获概率特性。
Because the probability density function of MQAM signal obeys L-S distribution, so it may construct the algorithm of discerning with L-S distribution.
由于MQAM信号的概率密度函数服从莱斯分布,从而用莱斯分布来构造识别算法。
The simulation results show that the proposed method succeeds in detecting low speed target with low false alarm probability in low signal to noise ratio environment.
仿真实验表明,该检测方法能在低信噪比环境中,以低虚警率对低速目标进行有效检测。
According to amplitude analysis of the measurement signal, the probability DE sign method of finding the spring stiffness of the tractor's hydraulic draft control system is stud ied.
以实测信号为依据,通过幅值域分析,探讨了拖拉机液压系统力调节弹簧刚度的概率设计方法。
In the process of target detection, depth bomb fuze will undergo the interference from echo signal of neighborhood bomb that is the primary factor which causes high false-alarm probability.
深弹引信在对目标进行探测的过程中会遇到来自邻近深弹回波信号的干扰,邻弹干扰是导致虚警概率增加的最主要因素。
Estimates the magnitude sensitivity, magnitude valid range and probability of star capture based on signal detection and probability statistics.
以信号探测和概率统计为理论基础,对星等探测灵敏度、星等有效范围和星探测概率进行了分析与估算。
When the probability of the photoelectrons produced by the detector is of Poisson or Gaussian distribution, the detectivity and false alarm probability of the signal are calculated respectively.
在探测器产生光电子的概率为泊松分布和高斯分布的情况下,分别对信号的探测率和虚警率进行了定量的计算。
Theoretical analysis and the results of simulation show that coherent accumulation can improve UWB radar target recognition probability in the condition of low signal noise ratio.
理论分析和计算机仿真结果均表明,在低信噪比的情况下,相参积累方法可以提高UWB雷达的目标识别概率。
Aimed at the application of low probability of intercept adopting pulse compression system, a new arithmetic of recognizing binary phase coded pulse compression radar signal is proposed.
针对采用脉冲压缩体制的低截获概率雷达的应用场合,提出了一种识别二相编码脉冲压缩雷达信号的新算法。
The influence of the ratio of signal to noise, probability of false alarm, and the number of equations on detection probability was analyzed.
分析了最小二乘法使用的方程数、信噪比和虚警概率对检测概率的影响。
Channelization code management can increase the throughput, decrease the blocking probability of call setup requests, and reduce the signal Peak to Average Power Ratio (PAPR) in 3g systems.
合理的信道化码资源管理策略设计可以提高3g系统的吞吐量、降低用户的呼叫阻塞率和降低信号的峰平功率比。
The amplitude spectrum line and the amplitude spectrum function are proposed for the airborne particle scattering light signal, and their properties are studied in probability space.
针对粒度仪标定的准确度 ,在概率空间基础上 ,提出了尘埃粒子散射光信号幅度概率谱线和散射光信号幅度概率谱函数的概念 ,并对谱线在概率空间下的性质进行了研究。
The pseudo-random data are widely applied in digital signal processing. White noise data is the basis of generating random data, which has the expected probability distribution.
伪随机噪声在数字信号处理中具有重要的实用价值,白噪声是产生具有指定概率分布的伪随机噪声的基础。
These are both kind of like one in 50, one in 100 probability that the background could fluctuate up to be a signal.
这有点像在五十分之一,一百分之一的概率情境下才会有一个信号波动。
Radar signal sorting is a key technology of radar reconnaissance. The probability of radar signal sorting becomes an important indicator of radar reconnaissance system performance.
雷达信号的分选是雷达侦察中的一项关键技术,信号分选概率也日渐成为衡量侦察系统性能的重要指标。
The vibration signal is processed as stochastic dynamic signal and analyzed by the method of probability density and statistics, thus the trend of sand production of heavy oil-well.
在信号处理时把该信号看作随机的动态信号,采用概率密度和统计学的方法进行分析,从而预测出稠油油井出砂趋势。
Synthesis and integration can improve the signal-to-noise ratio (SNR) of output signal, thus increasing the signal detection probability and extending the radar range.
合成与积累可以提高输出信号的信噪比,从而增大信号检测概率,增加雷达的作用距离。
This method can verify the validity of the signal more accurately, can reduce the probability of signal into the multi-fault logic to judge the situation.
该方法能更准确地判断信号是否有效,同时能减少信号进入多故障逻辑进行判断的情况。
Using the method of transition probability flow graphs (TPFG), the average sampling number to signal for these charts is given, and the average time to signal for these charts is deduced.
利用转移概率流图(TPFG)方法得到了发信号前的平均样本数,进而推导出了发信号前的平均时间。
Using the method of transition probability flow graphs (TPFG), the average sampling number to signal for these charts is given, and the average time to signal for these charts is deduced.
利用转移概率流图(TPFG)方法得到了发信号前的平均样本数,进而推导出了发信号前的平均时间。
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