查询词典 transmitter-receiver

In radio communications, a frequency in a superheterodyne receiver or transmitter system that enables easier filtering, distribution, modulation, and demodulation of a signal

在无线电通信技术中，超外差接收机或发送机系统中使用的一种频率，能够方便地对信号进行滤波、分配、调制和解调。

A 2. 4GHz CMOS monolithic transceiver front-end for IEEE 802. 11b wireless LAN applications is presented. The receiver and transmitter are both of superheterodyne structure for good system performance.

实现了一个应用于IEEE 802.11b无线局域网系统的2.4GHz CMOS单片收发机射频前端，它的接收机和发射机都采用了性能优良的超外差结构。

As the true capacity formula for blind-CSI in both transmitter and receiver is hard to obtain, we derive its independent upper bound instead, and establish a close-form expression of the independent bound for any memory order $M$.

由於，在传送端与接收端均无「频道状态资讯」的情况下，管道传输极限的计算相当困难，因此我们转而探讨其「独立上界」。

This paper introduces the use of ultra-high frequency transmitter and receiver chip U2741B constitute U3741BM wireless remote control system and the application circuit, covering the latest wireless remote control system design.

详细说明：本文介绍了采用超高频发射芯片U2741B及接收芯片U3741BM构成的无线遥控系统和应用电路，涵盖了目前最新型无线遥控系统的设计思路。

Radio transmissioil means that the information from the computer is modulated into ultrahigh frequency by radio receiver-transmitter.and then transmitted and received in free spac...

无线电传输是将计算机送来的信息经无线收发信机调制成超高频信号，在空间进行传输和接收。

By utilizing the unitary matrix, the transmitter decouples the input signal into spatial orthogonal beam directions with the matched filters in beam directions in the receiver, and the gain obtained by each data block can be equivalent to the sum of the projection from the channel matrix to the corresponding beam directions. Beam selection is adopted to maximize the minimum gains of all the blocks, which can improve the system diversity gain efficiently.

发射端采用酉矩阵将数据映射到空间正交的波束方向上，通过接收端波束方向上的匹配滤波，各数据分块所获得的增益为信道矩阵在其波束方向上的投影之和，波束选择通过最大化所有数据分块最小增益，从而有效地提高了系统的分集增益。

At the same time, the transmitter and receiver block diagrams of the proposed uplink system are also described.

随后，提出了在基站使用阵列天线的多载波DS-CDMA系统，并给出了该系统方案上行链路的发送和接收结构框图。

Techniques to linearly adjust the gains of variable gain elements (i.e., variable gain amplifiers or VGAs) in a receiver of transmitter.

线性地调节发射机的接收机内的可变增益元件(即，可变增益放大器或VGA)的增益的技术。

The reference and measuring units are the same and each includes an electroacoustic transmitter and an electroacoustic receiver.

参考和测量单位是相同的，每个包括一电发射机和接收机一电。

This paper introduces a type of shortwave MODEM software program applied in a semiduplex SW transmitter-receiver, analyses the realization of communication between SW MODEM and computer serial port and thoroughly relates several key techniques of communication.

介绍一种用VC ++创建的动态链接库DLL ，应用于收发一体半双工短波电台的短波MODEM软件编程，并分析短波MODEM与计算机串口通信实现的方法，详细阐述其通信编程中几个关键技术。

You really feel something like blood on your thigh.

你真的觉得像血液在您的大腿。

The paper deals with the effects of Cd(superscript 2+)、Hg(superscript 2+) and their interaction on O(superscript - subscript 2)、MDA and antioxidant enzyme systems of Ceratophyllum demersum L..

研究了不同浓度Cd(上标 2+)、Hg(上标 2+)以及二者共同胁迫对金鱼藻O、MDA含量和抗氧化酶系统的影响。