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signal to
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  信号进行
     The core of CTV100 is STV2310 and STV3500:STV2310 can receive all analog TV signals,convert analog signal to digital signal;
     由核心芯片STV2310和STV3500组成:STV2310接收各种模拟电视信号,进行数字化处理;
短句来源
     Modulating twice the signal to be tested and cross correlating it in turn with two reference signals, we are able to do so.
     信号进行二次调制,引入两个参考信号分别对信号进行互相关处理,从而能抑制与参考信号同频率的干扰。
短句来源
     GPS receiver can use the fictitious GPS signal to conduct precise positioning.
     GPS接收机可以利用这一虚拟的GPS信号进行精密定位。
短句来源
     Using multipath switches, adders and compensation voltage generator, the level of a signal to be measured is cut properly under the control of a software. Then the processed signal is amplified and sent to 8-bit A/D converters.
     采用多路开关、加法器及补偿电压发生器等,在计算机软件的控制下,将待测信号进行适当的电平切割,切割后的信号电压再经放大,作为8位A/D转换器的输入.
短句来源
     RESULTS The technology of adaptive processing improved the signal to noise ratio (SNR) up to 40 dB of mixed signal with self dithering interference of the system and helped to extract the useful signals.
     结果 对叠加有系统自抖动干扰的信号进行自适应处理 ,可提高信噪比 (约 40 d B) ,提取出有用信号 .
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  信号对
     Analysis of Interference of DS-UWB Signal to Narrowband Systems
     DS-UWB信号对窄带系统的干扰分析
     Based on the experiment of the interference of existing UWB signal to the GPS receiver,the potential interference of the UWB pulses with different pulse repetition frequency to the GPS is analysed.
     结合已有的超宽带(UWB)信号对全球定位系统(GPS)接收机的干扰实验,分析了不同脉冲重复频率(PRF)的超宽带脉冲信号对全球定位系统的潜在干扰.
短句来源
     The costimulation of OX40L signal to T cells in vitro was studied by means of 3 H-TdR incorporation assay,cell apoptosis and cell cycle analysis.
     采用3 H TdR掺入实验、细胞凋亡、细胞周期等方法研究OX4 0L信号对T细胞体外培养的共刺激作用。
短句来源
     The design of dancing robot’s control system based on 80C196KC was introduced,and both the hardware modules and software design of this system were described in detail. This system adopts time-sharing handling method and uses PWM signal to control the driving motors.
     介绍了基于80C196KC单片机的舞蹈机器人控制系统的设计,详细阐述了系统的硬件实现方案和软件设计思想,该系统采用分时复用的方法,利用PWM信号对驱动电机进行控制。
短句来源
     The equipment of video capture and image processing technology are used to replace traditional position sensor to measure position of the object,and the image information is used as position feedback signal to control experimental system in real time.
     用图像采集设备及图像处理技术代替传统的位置传感器检测物体的位置,并将图像信息用作位置反馈信号对实时定位实验系统进行控制。
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  “signal to”译为未确定词的双语例句
     A Study of the Relationship Between the Resolution Signal to Noise Ratio and the Experimental Data of EXAFS
     EXAFS的分辨率和信噪比与实验参数间相互关联的探讨
短句来源
     The Study of Signal to Noise Ratio of MAC Signal in Satellite Brodcasting
     MAC制信号在卫星广播中信噪比的研究
短句来源
     A TIME-DOMAIN AVERAGE METHOD TREATING THE CASE OF LOWER SIGNAL TO NOISE RATIO FOR MODAL PARAMETER IDENTIFICATION
     低信噪比情况下识别模态参数的时域平均方法
短句来源
     The Improvement of Signal to Noise Ratio of a FM Optical Transmitter by Electrical Feedback
     电反馈对FM光发射机信噪比性能的改善
短句来源
     Application of a short--stretch signal to ISAR imaging and motion compensation
     采用窄Stretch信号的ISAR成象与运动补偿
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The scheme does not need to estimate the unknown parameters nor add a dynamical signal to dominate the effects of unmodeled dynamics.
      
For wave propagation in dispersive media, the arrival time of the acoustic emission signal to the sensor is dependent on the setting of the threshold voltage, which results in the inaccuracy of the acoustic emission location.
      
ppR associates with its transducer and this complex transmits a signal to the cytoplasm.
      
Mattingly and Criminale [1] attribute all the characteristics of the observed signal to this point.
      
The possibility of using a spectrally deprived speech signal to develop and assess the efficiency of auditory rehabilitation of implanted patients is discussed.
      
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Small quantities (0.1, 0.5 and 1.0 weight percent) of rare earth oxides (La2O3, CeO2, Sm2O3, Gd2O3) and Y2O3 were added to a square-loop Mg-Mn ferrite which contained some ZnO and CuO. The effect of these additions on the static hysteresis loop and the signal to noise ratio was investigated. The samples were prepared by the usual oxide method, sintered 2 hours in air at 1300℃ and quenched from l050℃ or 950℃. Preli-

本文报导了少量稀土元素氧化物(La_2O_3,CeO_2,Sm_2O_3,Gd_2O_3和Y_2O_3)对于一种含ZnO和CuO的Mg-Mn矩磁铁氧体磁心性能的影响,简要地叙述了样品的制备过程。测量了磁心的静态磁滞迴线,饱和磁化强度,居里点和讯号杂音比。实验结果表明:加La_2O_3或Gd_2O_3可以增加矩形比和B-Hm/2/B_m和讯号杂音比,并使后者的分布往高比值移动,但加CeO_2,Sm_2O_3或Y_2O_3却没有使这些性能改善,甚至有所降低。文中举例说明了磁心尺寸对于矩形比、淬火温度和稀土元素氧化物的含量对于讯号杂音比的影响。最后指出:这种方法可能提供一种改善磁心某些性能而不显著改变其居里点的途径。

The results presented in this paper may be classified into three categories. First, there is derived the characteristics of gain, bandwidth, and figure of merit of a non-degenerative parametric amplifier of both fundamental and sub-harmonic pumping; and the comparison between them is carried out in substantial detail. Second, there is devised an analytical method for determining the harmonic contents of the capacitance of a nonlinear semiconductor diode, which is negatively biased and is under the action of...

The results presented in this paper may be classified into three categories. First, there is derived the characteristics of gain, bandwidth, and figure of merit of a non-degenerative parametric amplifier of both fundamental and sub-harmonic pumping; and the comparison between them is carried out in substantial detail. Second, there is devised an analytical method for determining the harmonic contents of the capacitance of a nonlinear semiconductor diode, which is negatively biased and is under the action of a strong high frequency pumping voltage. The magnitudes of bias and pumping voltage are thus found quantitatively. Also, the stability requirements for pumping amplitude and pumping frequency are discussed. Third, the noise figure of a parametric amplifier itself and the effective noise figure of the amplifier loaded with a noisy second stage, which may be a frequency converter, are derived. Factors such as diode loss, match, and the bandwidth ratio of the signal to the idler circuit are all considered in the derivations so as to make the results with greater importance for practical applications. Finally, a numerical example is given to show the utility of the results presented in this paper and to illustrate a possible design procedure of a non-degenerative parametric amplifier.

本文主要结果有三:第一,推导出基波激励和次谐波激励参量放大器的优值、功率增益、和通带等主要特性,并就这些特性对基波激励源的和次谐波激励源的参量放大器进行比较;第二,通过半导体二极管非线性电容的谐波分量的分析,在激励电压、偏压和放大器的特性间得出定量关系,并且对给定放大器特性求出激励源幅度和频率的稳定要求;第三,推导出放大器的有效噪声,并给出最低有效噪声的设计条件。 以上特性的探讨和二极管损耗、信号迴路和镜象迴路通带比、匹配等因子结合在一起进行,使所得结果更具有实际意义。最后举出一数字例子,说明应用本文结果来设计参量放大器的一种可能步骤。

This paper presents a new spectrograph of electronic paramagnetic resonance. Its character is the application of combined frequency and magnetic field modulation. Therefore the structure is simplified. Because the balance adjustment of magic tee is used and a positive voltage is added on the microwave crystal diode, its noise is then reduced near the level of thermal noise. The signal of 5×10-9 M. DPPH may be observed on the oscillograph. The ratio of signal to noise is 2:1. The operation frequency is...

This paper presents a new spectrograph of electronic paramagnetic resonance. Its character is the application of combined frequency and magnetic field modulation. Therefore the structure is simplified. Because the balance adjustment of magic tee is used and a positive voltage is added on the microwave crystal diode, its noise is then reduced near the level of thermal noise. The signal of 5×10-9 M. DPPH may be observed on the oscillograph. The ratio of signal to noise is 2:1. The operation frequency is 9690 Mc,/s.

本文叙述一种新型的电子顺磁共振波谱仪,它的特点是采用了调频调场结合的方法,因而简化了结构。又由于利用了魔T平衡调节,并给微波晶体二极管加正偏压,使得它的噪声降低到接近热噪声的水平,同时提高了检波效率,因而获得了较高的灵敏度。在示波器上可以观察到5×10~(-9)克分子DPPH的讯号,讯号噪声比为2:1,仪器的工作频率是9690Mc/s。

 
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