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- Aim To identify protein spots on two dimentional protein electrophoresis (2DE) by post-source decay (PSD) technique associated with library search. 目的应用源后衰变(PSD)技术结合数据库检索鉴定二维蛋白质电泳(2DE)胶上的蛋白质斑点。
- In this study, two dimentional Huangpu River Oil Spill Model (HROM) has been developed applying the MIKE 21 software package developed by DHI Water and Environment, Denmark. 具体研究内容包括:(1)利用MIKE 21 HD模块建立了米市渡至吴淞口分辨率为15m×15m精细网格的黄浦江二维水动力模型,经1971、1984、1999等多年实测资料验证模型的可靠性和适用性,模拟结果为黄浦江二维溢油模型的建立提供水动力基础数据。
- This thesis analyzes the AM and FM signal and give a actual realization of software radio receiver. 本论文对输入的调频和调幅信号的解调进行了具体的分析。
- Chaotic FM signal is similar to random signal.It has good Electronic Counter-Counter Measure (ECCM) capabilities. 混沌调频信号类似随机信号,具有较强的抗干扰性能(ECCM)。
- "Such noise generally affects the amplitude of a radio wave But not its frequency, so an FM signal remains virtually unchanged. 噪音信号只影响无线电波的振幅而不影响其频率,因此,调频信号可以基本上保持不变。
- As the pressure of the pregnant woman s abdomen would change if the foetus move, the FM signal is gotten by using pressure sensor. 针对胎动发生时引起母体腹壁压力改变这一生理特性,首先利用压力传感器从母腹部提取胎动信号并经采样至计算机内;
- The frequency spectrum of an actual FM signal has components extending out to infinite frequency, although they become negligibly small beyond a point. 在模拟应用中,载波的频率跟随输入信号的幅度直接成等比例变化。在数字应用领域,载波的频率则根据数据序列的值作离散跳变,即所谓的频率键控。
- If two FM signals are on the same frequency at the same time, there will still be a heterodyne or beat note( unless one is6 dB stronger than the other). 通常商业电台会滤掉这些亚音频,但我们的业余电台并不进行过滤,所以我们可能能听到这个频率的音频。
- Synchronous FM System provides broadcasters with continuous program coverage along highways or within a region under-served by a single FM signal. 摘要调频同步广播系统是仅使用一个频率,实现地域覆盖或高速路线性覆盖的调频传输系统。
- If two FM signals are on the same frequency at the same time, there will still be a heterodyne or beat note (unless one is 6 dB stronger than the other). 通常商业电台会滤掉这些亚音频,但我们的业馀电台并不进行过滤,所以我们可能能听到这个频率的音频。
- Abstract: Synchronous FM System provides broadcasters with continuous program coverage along highways or within a region under - served by a single FM signal. 摘 要: 调频同步广播系统是仅使用一个频率,实现地域覆盖或高速路线性覆盖的调频传输系统。
- It is well known that the SAR echo can be considered as a linear FM signal,so does the echo of moving targets.The square modulus of linear FM signal has high energy centrality in the ambiguity domain. 近似为线性调频信号的SAR运动目标回波信号的模糊度函数在模糊平面内具有很高的能量集中性。
- The SNR of ultrasound image could be increased by FM signal transmitting method.Especially, the SNR of deeper tissue image could be increased more, where the ultrasound signal is attenuated severely. 该成像方法能够提高超声图像的信号噪声比,尤其是提高超声衰减严重的深部组织图像的信号噪声比。
- Time Domain Born Approximation Based on Two Dimentional Elastic Waves 二维弹性波散射时域Born近似
- FM signals sometimes get "ducted" over great distances by various weather phenomena. FM信号有时得到"输送的"了不起的距离由各种各样的天气现象。
- FM signals even bounce off the ionized trails left behind by meteors as they burn up in the atmosphere. FM信号甚而弹起被电离的足迹忘记了由飞星当他们烧在大气。
- The two systems of government are polar opposites. 这两种政体正好相反。
- The business is owned by two partners. 这家商行为两名合伙人所拥有。
- A decrease in signal power as measured between two points. 信号能量在两点间测量出来的减小量。参阅signal。
- She has two cars and in addition a motorboat. 她有两辆轿车外加一艘汽艇。