LFM signal will likely become the main signal form in underwater target strength broadband test. 线性调频信号可能将成为水下目标强度宽带测试的一种主要信号形式。
Results The main MRI signal change of globus pallidus in CO Poisoning was symmetry in twin sides, the early lesions were medium signal intensities of T1WI, high signal or medium signal in center and high intensities in around of T2WI; 结果CO中毒苍白球信号改变主要为双侧对称,急性期主要表现为T1WI为等信号,T2WI为高或中心中等、外周高信号;
The DNS was ariseed, main signal intensities were low in T1WI, high in T2WI; 出现迟发性脑病主要表现为T1WI为低信号,T2WI为高信号改变;
On the other hand, BER is worse for the case that the crosstalk and the main signal have different frequency. 相反地,主信号和串扰有一定频差时误码比较大。
In addition, the obtained temperature of melted iron within the passage way can be used as a main signal for automatic control with computer. 并可利用过桥铁水温度做为主要信号,用计算机对冲天炉的熔炼进行自动化控制。
The mid strain rate photoelectric detector based on the PSD sensor is developed, which is the main signal detecting device of the mid strain rate material testing machine. And the mechanical property of material in the mid strain rate condition is experimentally researched with the photoelectric detector. 研制了中应变率材料试验机的主要信号检测装置&以位敏器件(PSD)为传感器的中应变率光电检测装置,并用该装置对中应变率材料的力学性能进行了试验研究。
Transmission security of the track circuit is a basic guarantee requirement when cab signal is used as main signal in automatic blocking system. 自动闭塞系统中,轨道电路传输的安全性是机车信号做为主体信号的基础保证条件。
The main signal transduction pathway may be different in various pituitary tumors. 结论不同垂体瘤组织中其主要的信号转导途径可能有别;
The paper introduces principle of the boundary-scan technique and ANFIS data analysis methods, and compiles some of the missile control system's characteristic, The BIT technique is integrated into it. We achieve the main signal to on-line test based on ANFIS. 本文简要介绍了边界扫描技术和自适应神经网络模糊数据分析方法,结合某导弹控制系统的特点,将BIT检测技术融合到该设备中,实现了系统主要信号的在线ANFIS检测。
This paper describes the main problems with main cab signal in an automatic train overspeed protection system, such as function, visibility, rate of display correctness, redundancy system, receiving coil and wayside equipment. Some implementation suggestions are proposed. 论述了列车超速防护系统中主体化机车信号的主要问题,包括主体机车信号的功能、显示、显示正确率、冗余系统、接收线圈和地面设备等,并提出了实施的建议。
Cell communication and main signal delivery channels 细胞通讯及主要信息传递途径
The main speech signal endpoint detection methods, such as short time energy based scheme, HMM based scheme, related alike scheme and so on are investigated deeply. 对语音信号端点检测的主要方法,如基于短时能量的方法、基于HMM的方法、基于自相关相似距离的方法等进行了深入研究。
It contains four main modules: signal producing and simulating, FFT, digital filter and basic mathematical operation. 可分为四个主模块:信号来源模块、滤波处理模块、FFT模块和序列基础运算模块。
Factors Influencing Application of Cab Signal as the Main Signal and its Solutions 影响机车信号主体化的因素及解决措施
The main problems of signal integrity of high-speed digital system include reflection, crosstalk, delay, ringing, simultaneous switch noise, etc. 高速数字系统的信号完整性问题主要为反射、串扰、延迟、振铃和同步开关噪声等。
This paper presents an overview of the main satellite navigation signal simulators in the world and analyzes their architectures. 分类介绍了当前世界上主要的卫星导航信号模拟器产品,并对其体系结构进行了分析。
The structure and main function of signal simulator be introduced with the design example of pulse radar signal simulator. 文中结合脉冲雷达目标模拟器的设计实例分析介绍了模拟器的原理结构及主要功能模块。
Because of the MI induced by SPM, the BER is not the worst case when the crosstalk and the main signal have the same frequency; 由于自相位调制引起的调制不稳定性,主信号和串扰完全同频时的误码并不是最坏情况;
Simulation result proves that there is a good linear relationship between the PECF and the main control signal. 通过实例仿真计算,表明可以实现周期等效控制力对输入主控信号的较理想的线性关系。
For the library, academic buildings covering mainly the main signal coverage, without regard to capacity problems early. 对于图书馆、教学楼的覆盖主要以信号覆盖为主,前期不考虑容量问题。
Then it analyzes the main hand control signal collection and signal output circuit, and the realization method of the human-computer interaction, and puts forward reasonable suggestions for the next step work. 分析了主手控制信号采集和信号输出电路,以及人机交互的实现方法,并对下一步的工作提出了合理化建议。
In addition describes the radar signal processing, including pre-process and the main radar signal processing. Next, we describe how to generate the signals. 另外叙述了雷达信号处理流程,包括雷达信号预处理流程及主处理流程。
Plants and plant physiological processes electrical signal is transmitted signals and body are closely related to the main physiological signal in plants to environmental change, response to stimuli. 植物电信号是与植物生理过程及体内传送信号密切相关的主要生理信号,是植物对环境变化刺激产生的反应。
Paper focuses on improving the algorithms and debugging: The main voice signal from the acquisition, preprocessing algorithm, Mel Cepstrum extraction, such as the composition of the two-stage endpoint detection. 论文重点介绍了算法的改进及调试:主要由语音信号的采集、预处理算法、美尔倒谱参数提取、两极端点检测等组成。
In recent years, some studies had approved that mitogen-activated protein kinase ( MAPK) including ERK, JNK and P38 was one of the main signal pathway in the activation and proliferation of HSC. 近年来有不少的研究表明,丝裂原活化蛋白激酶(Mitogenactivatedproteinkinase,MAPK)包括ERK、JNK、P38信号通路是HSC活化与增殖导致肝纤维化发生的主要信号传导通路之一。
DDS signal generator as a calibration signal source for the main signal processing module or as a special signal source. DDS信号发生器作为信号主处理模块的校准信号源或作为一种专用信号源。
For the main signal processing methods, the theoretical formulas for calculating the demodulated signals 'sound pressure and signal distortion are derived from their theoretical self-demodulation models. 以Berktay远场解为自解调理论模型,推导主要信号处理方法的自解调信号声压表达式,以及相应的信号失真公式。
Nonuniformity correction, blank pixels 'replacement and image enhancement is the main contents of signal processing. 实时性是热成像系统信号处理的基本要求,非均匀校正、盲元替代和图像增强是信号处理的主要内容。
The power amplifier module is to enhance the launch of the main signal power to increase the effective transmission distance and lower noise; low-noise amplifier circuit module to receive weak signals from the channel, improve system sensitivity. 发射端的功放模块主要是增强发射信号的功率以增加有效的传输距离和降低噪声的干扰;低噪声功放电路模块接收来自信道中微弱的信号,提高系统的灵敏度。
To get the wavelet entropy frequency spectrums of the cavitation noise datum with different nozzles, a piece of cavitation noise is inserted to the system noise taken as a main signal. 以系统噪声为主体信号,在其中部插入一段空化噪声数据,分析得出各个喷嘴空化噪声数据的小波熵谱图。