superheterodyne receiver
英 [ˌsjuːpəˈhɛtərədaɪn rɪˈsiːvə(r)]
美 [ˌsupərˈhɛtərəˌdaɪn rɪˈsiːvər]
网络 超外差接收器; 超外差式接收机; 超外差结构的接收端; 超外差接收机; 超外差式收音机
英英释义
noun
- a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified
双语例句
- Then the superheterodyne receiver was selected as the system architecture in the thesis by comparing the advantages and disadvantages among the receiver structures. Secondly, low noise amplifier was analyzed and designed.
通过比较这几种接收机结构的优缺点，选择超外差式接收机作为射频前端接收体系。其次，对低噪声放大器进行了分析与设计。 - 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。 - Receiver front-end plays a critical role in microwave and millimeter wave radar system, and superheterodyne receiver is widely used in modern radar systems.
接收机前端是微波、毫米波雷达系统中至关重要的部分。在雷达接收系统中，超外差接收机已经得到广泛应用。 - In this paper, there describes four common receiver structure of the current system, and finally choose superheterodyne receiver system by analysing the advantages and disadvantages and System Requirements. At the same time, the key indicator of the receiver has been analyzed.
文中详细介绍了四种当前常用的接收机结构体系，经过优缺点比较以及系统需求最终选择超外差接收机结构体系，同时对接收机的关键指标进行了分析。 - High performance superheterodyne receiver
高性能超外差式接收机 - This paper discussed the double sideband noise figures and single side band noise figures of the superheterodyne receivers in a ideal hypothesis and the practical case respectively. It also gave some considerations designing the single side band receiver.
分别讨论了在理想假设和实际情况下超外差接收机的双边带噪声系数和单边带噪声系数，给出了单边带接收机的某些设计方案。 - The form of superheterodyne receiver is used, and a reasonable conversion gain distribution is designed.
接收机采用了超外差的方式，合理地设计了各次变频增益的指标分配。 - Using superheterodyne second frequency conversion, this module receiver design is composed of LNA, tuned filter, mixer, IF amplifier circuit and AGC control circuit to implement large dynamic range receive technical criteria.
本模块接收机设计采用超外差二次变频，主要由低噪声放大器、调谐滤波器、混频器、中放电路和AGC控制电路等几部分组成，实现了大动态范围接收技术指标。 - The fundamental designing indices and block diagram of a wideband superheterodyne receiver for the 230-300 MHz solar radio acousto-optic spectro-graph have been proposed.
本文提出了用于230一300MHz太阳声光射电频谱仪的宽频带超外差式接收机的基本设计指标和方框图。 - Based on the discussion of the topological structure of a superheterodyne FM receiver, a one chip FM receiver for FSK ( Frequency Shift Keying) signal has been designed.
在分析超外差FM中频接收拓扑结构的基础上，设计出一种用于FSK（移频键控）信号的单片FM中频接收电路系统。