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- weak signal amplification 微弱信号放大
- Development of weak signal detectors. 微弱信号检测仪的研制。
- Its primary function is the amplification, mixing and filtering for the weak signal from the GPS receiver antenna to get the intermediate frequency signal used in the back-end correlator. 其功能主要是对从GPS接收机天线端接收到的微弱信号进行放大以及降频、滤波，得到后端GPS相关器电路正常工作所需要的中频信号。
- Hall sensor which contains signal amplification and waveform shaping. 其中霍尔传感器包含信号放大和波形整形。
- 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。
- An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages. 前置放大器电子线路或装置，用来探测并加强无线电接收机所发出的微弱信号，从而使其达到更加有力的增幅程度
- The output circuit contains function selection, D/A transform, active filter and signal amplification circuits. 输出电路含功能选择、D/A转换、有源滤波和信号放大电路。
- How to indentify weak signals rapidly? 如何快速捕获弱信号?
- Objective To develop a hybridization signal amplification method for detection of Mycobacterium tuberculosis. 摘要目的建立结核分枝杆菌杂交信号放大检测方法。
- 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。
- This invention relates to methods for audio signal amplification and to audio amplifier circuitry and power supplies therefore. 本发明介绍的是音频信号放大的方法、音频放大电路及其电源。
- Hardware design includes circuits of signal amplification of digital potentiometer, analog switch, A/D conversion, wave conversion, single-chip and peripheral equipment. 硬件设计包括含数字电位器的信号放大、模拟开关及A/D转换、波形变换、单片机及其外围等电路。
- Consequently, WSCPs functionalized with kinds of receptors were further developed to realize direct bioanalysis and illustrated good signal amplification. 因此，将对被分析物具有特异性捕集作用的捕集基团引入水溶性共轭聚合物链势必导致一系列具有新结构、优秀光电性能和高灵敏度、高选择性的荧光传感材料的出现。
- 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。
- 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。
- 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。
- Light signal amplification has been realized both in constant-light-bias and pulse-ltght-bias modes by means of a He-Ne-LiNbO3 mirror-less hybrid OBD. The light signal gain is 15 and 20-95 respectively. 利用氦氖-铌酸锂混合无镜双稳装置实现了恒定光偏置和脉冲光偏置两种方式下的光信号放大,放大倍数分别达15和20-95。
- 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；
