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- weak signal enhancement 弱信号增强
- Development of weak signal detectors. 微弱信号检测仪的研制。
- This paper illustrates a method to de noise of radar weak signal. 通过建立尺度空间新内积、新范数的方法来构造新型小波变换 ;并且实现了用该系列小波变换对雷达弱信号去噪的目的 .
- Used in TVs frequency channel conversion or weak signal import loop circuits. 适用于电视机频道转换或小信号输入回路。
- Used in TV frequency channel conversion and weak signal input loop circuits. 适用于电视频道转换或小信号输入回路。
- First,lock-in amplifier (LIA) is used for the detection of weak signal. 利用锁相放大器进行弱信号探测。
- How to indentify weak signals rapidly? 如何快速捕获弱信号?
- After reducing the noise by the technique of signal enhancement, the more extract approximation results than traditional approach can be achieved with the TLS method. 在采用信号增强技术降低观测噪声后，利用总体最小二乘方法估计被测信号参数可以得到比传统方法更好的分析结果。
- Windows Media Center cannot find, or seek, a radio frequency that has a weak signal. Windows Media Center无法找到或搜寻到信号微弱的广播频率。
- The strong intravascular signal enhancement of gadolinium also permits the use of 3D pulse sequences that provide higher spacial revolution than can be achieved with two-dimensional (2D) techniques. 钆造影剂可增强血管内信号，使采用3D脉冲序列采集成为现实，这样可以提供比2D脉冲序列高得多的空间分辨率。
- They may be compared to the weak signal coming in over a long-distance telephone line. 它们可以比做经过远距离电话线而来的弱信号。
- The LFM signal enhancement technique based on STFT, narrow band jamming restrain technique based on time-frequency peak filtering and wide band LFM detecting technique are put forward. 研究了低信噪比强窄带干扰条件下的LFM信号检测技术,提出了基于短时傅里叶变换(STFT)的线性调频(LFM)信号增强技术、基于时频峰值滤波的强窄带干扰抑制技术和基于一维搜索的宽带LFM信号检测技术。
- Your computer is tuned to a frequency that is not available or has a weak signal. 您的计算机调到不可用的频率或信号微弱。
- Introduction : THE LNA is the block entrusted to amplify the weak signal received by the antenna in a reception system. 就是所谓的低噪声放大器，它决定手机接收机的整体性能；
- This paper make use of the method of lock-in amplifying to pick up the weak signal from noise. 文中利用锁相放大的方法将此微弱的电压信号从噪声中提取放大,解决了声表面波陀螺的信号放大问题。
- The measurement by applying parameter sensitive of chaotic theory is a newer way of weak signal measuring. 而利用混沌的参数敏感性来进行微弱信号测量是一种比较新的测量方法。
- Modulus maxima of the detail signal after lifting in every operation cycle is extracted, and the position and time while weak signal singularity occurs are found. 提取提升后小波分解的高频细节信号在每个信号工作周期中的模极大值，来确定信号发生微弱突变的时刻和位置。
- If you manually enter the frequency or tune directly to a station with a weak signal, Windows Media Center plays the station. 如果手动输入信号微弱的电台的频率或者直接调到该电台,Windows Media Center将会播放该电台。
- The spirit is willing but the flesh is weak. 心有余而力不足。
