无线电收发信机、通信保密机;
对微机保护与收发信机配合问题进行分析。
The paper analyzes the cooperation problem between microcomputer protection and transceiver.
在本文第二章介绍了不同的射频收发信机结构。
In chapter 2, the different structures of RF transceiver are discussed.
因此,收发信机充当数字域和射频域之间的接口。
Thus, the transceiver ACTS as an interface between digital and rf domains.
包括无线设备的多种通信系统中都使用了收发信机。
Transceivers are used in many communication systems including wireless devices, for example.
该收发信机(102)提供与远程设备的无线通信。
The transceiver (102) provides wireless communication with a remote device.
研究的主要任务是对OFD M收发信机进行建模。
The main task is to complete the modeling process of the OFDM transmitter and receiver.
每一个小区最多可以容纳45个不同语音信道收发信机。
Each cell can accommodate up to 45 different voice channel transceivers.
组成通信系统的基本要素包括发信机,通道以及收信机。
The elements of a telecommunication system are a transmitter, a medium (line) and possibly a channel imposed upon the medium (see baseband and broadband as well as multiplexing), and a receiver.
文章首先设计了跳频收发信机测试仪硬件平台的功能模块。
In the first, the article has designed HF transceiver testing equipment's functional blocks of hardware platform.
本文介绍了一种低功率SSB收发信机的设计方法及其工作原理。
This paper introduces a method of designing low power SSB transceiver as well as its work principle.
通常,收发信机耦合在基带处理器和天线以及系统的相关电路之间。
Often, a transceiver is coupled between a baseband processor and an antenna and related circuitry of the system.
收发信机可接收基带数据和控制信息,以及向功率放大器提供射频信号。
The transceiver may receive baseband data and control information and provide RF data to the power amplifier.
本发明涉及收发信机,更具体地涉及控制收发信机以提升无线电的性能。
The present invention relates to transceivers, and more particularly to controlling a transceiver to improve performance of a radio.
介绍跳频收发信机的主要功能及内部结构,使对跳频收发信机有了初步的了解。
Introduced HF transceiver's main function and its internal functional structure, it let to understand HF transceiver.
除了抑制射频信号路径之外,还可以在预定义时段中禁用收发信机的斜坡输出。
In addition to squelching the RF signal path, a ramp output of the transceiver may further be disabled during the predetermined portion.
我使用自制的发信机,输出15w,收信机是239型,这是中国制造的军用品。
I'm using a homebrew transmitter which is running 15 watts, the type of my receiver is 239used by military in China.
在不同的操作模式下,功率放大器的斜坡控制可由基带处理器或者收发信机来提供。
In different modes of operation, ramp control for the power amplifier may be provided from either of the baseband processor or the transceiver.
卫星0.7米段的发信机天线是左旋圆极化,2米段收信机是1/4波长鞭状天线。
The 70cm transmitter antenna configuration is Left Hand Circular polarity (LHCP). The 2M receiving antenna is a 1/4 wave whip.
更进一步,在时隙间隔期间的该预定义时刻,可以控制收发信机30的斜坡输出为0。
Still further, at this predetermined time of the inter-slot period, the ramp output from transceiver 30 May also be controlled to a zero value.
鉴此,通过提高保护装置的出口延时和提高收发信机的抗干扰能力,使问题得以解决。
By lengthening the tripping time of the relay and enhancing the anti-interference capability of the R-T unit, the problem is solved successfully.
该收发信机采用超外差结构,主要包括中频部分的硬件设计以及射频部分的硬件设计。
The system adopts superheterodyne architecture. It consists of intermediate frequency (IF) band and radio frequency (RF) band hardware design.
根据从DSP 310接收的控制信息,收发信机102可以实现软件程序以执行动作。
The software program may be implemented by transceiver 102 to perform activities according to control information received from DSP 310.
结合现场调试经验,将SF- 600收发信机现场调试、故障判断处理方法进行总结。
Combined with the spot debugging experience, the paper summarizes the spot debugging and fault judgement of SF - 600 carrier transceiver.
本发明的另一方面在于包括接收基带数据并提供射频信号给功率放大器的收发信机的设备。
Another aspect of the present invention resides in an apparatus that includes a transceiver to receive baseband data and to provide RF data to a power amplifier.
接着,收发信机102可耦合至数字信号处理器(DSP) 310可负责基带通信信号的处理。
In turn, transceiver 102 May be coupled to a digital signal processor (DSP) 310, which may handle processing of baseband communication signals.
这意味着一台CW发信机需要输出16倍于一台PSK31发信机的功率来提高接收端的信噪比。
That means a CW transmitter has to output 16 times more power than a PSK31 transmitter to gain the same signal to noise ratio on the receiving side.
研究了一体化二次变频收发信机中各种组合频率干扰的产生原因:主要是由于混频器和放大器的非线性。
This paper investigates various combined frequency interference in integrated and double-converted transceivers, and points out that the reason is the non-linearity of frequency mixer and amplifier.
研究了一体化二次变频收发信机中各种组合频率干扰的产生原因:主要是由于混频器和放大器的非线性。
This paper investigates various combined frequency interference in integrated and double-converted transceivers, and points out that the reason is the non-linearity of frequency mixer and amplifier.
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