噪声放大 meaning in English
noise amplification
Examples
- Low - noise increasing decreasing
低噪声放大与弱检 - Low - noise increasing decreasing
低噪声放大与弱检 - The major task of this dissertation is to develop a power amplifier module and a low noise amplifier for a rf communication system which work in the frequency from 750mhz - 810mhz
本文的主要任务是研制出适用于一工作频率在750 ~ 810mhz射频收发系统的放大模块,其中包括发射链路中的功率放大模块和接收链路中的低噪声放大模块。 - The rf receiver consists of rf front end and baseband regulation module . the high - intermediate - frequency superheterodyne structure is adopted in the final scheme . the fine sensitivity of the receiver is achieved by two cascaded lna in the front of the system
系统采用超外差式变频结构设计,两级低噪声放大单元级联保证了接收机灵敏度,两级增益控制单元实现了所要求的接收机动态范围,并且整机的线性度也得到了保证。 - Transmit / receive ( t / r ) modules is the base of the modern radar . the paper puts forth a design scheme according to the target including t / r switch , up conversion , power amplified , low noise receive and down conversion . the dimension is restricted to 106 89mm through scheme comparison and the existing experiment condition , the final products arrive at the target we expect with millimeter hybrid integrated circuit
收发t / r组件在当今雷达系统中占有举足轻重的地位,本文根据设计指标提出了毫米波前端的设计方案,系统功能上要求完成收发双工、上变频和功率放大、低噪声放大和下变频功能,外形尺寸为106 89mm ,通过综合方案比较,结合自身条件,选取了毫米波混合集成电路形式。