射频模块实现了上变频功能，完成了信号的射频调制。
Frequency conversion function is realized in RF module, and the RF modulation of the signal is completed.
为了验证理论分析，设计了射频调制法测试介质膜滤波器群速度延时的实验装置。
To validate the theoretical analysis, a test system for group velocity delay was set up based on RF modulation.
文章首先分析了DQPS K调制技术理论基础和直接射频调制发射系统体系结构。
In this paper, the theory of DQPSK and the architecture of DQPSK transmitter system are first analyzed.
在现代无线通信系统中，对发射信号进行直接射频调制已成为射频无线电的发展趋势。
In modern wireless communication system, the direct RF-modulation for transmitting signal is a new developing trend of RF radio.
这颗蓝牙射频调制解调芯片的实际测试数据也会被引用，以佐证和加深文章中的讨论。
Actual results from a Bluetooth radio modem chip will be used to further the discussion.
然后，针对工程实践，解决了窄带直接射频调制发射系统设计过程中出现的技术难点。
Then, a method to solve the technical difficulties in the realization of the narrowband DQPSK transmitter system is proposed.
还给出了这种情况的摸拟实验方法，并指出了有线电视台保证射频调制器载频稳定度的重要性。
And then, this paper provided the simulation experiment of this condition. The importance of frequency stabilization of RF modul...
还给出了这种情况的摸拟实验方法，并指出了有线电视台保证射频调制器载频稳定度的重要性。
And then, this paper provided the simulation experiment of this condition. The importance of frequency stabilization of RF...
信源编码，信道编码是DSP在通信信号处理中的传统经典应用，而如今DSP已深入射频调制部分。
Traditionally, DSP only concerns in source coding as well as channel coding, but today, it begins to set foot in radio frequency modulation field.
调制管转移射频放大器中的电流。
在发送方向，收发信机向功率放大器提供射频信号，功率放大器根据给定调制类型的增益和斜坡信息对信号进行放大。
In the transmit direction, the transceiver provides RF signals to the power amplifier, which amplifies the signals based on gain and ramp information for a given modulation type.
本文实验研究了影响方波调制射频波激励波导CO_2激光器输出特性的因素。
The factors of influence the output characteristics of square wave modulated RF excited CO_2 laser are experimentally investigated.
文中给出射频识别系统的设计方案，系统采用反向散射调制技术完成从电子标签到读写器的数据传输。
The design scheme of a RFID (Radio Frequency Identification)System is given in this paper. The backscatter modulation technique is used to transmit the data to the reader from a tag.
从有线数字电视射频信号特征参数提取着手，建立了一套识别16QAM和64 QAM射频信号调制方式的数学算法。
Based on the characteristic extracting of RF signal in digital cable TV system, this paper puts forward an algorithm for modulation recognition between 16qam and 64qam RF signals.
然后本文详细阐述了射频前端电路设计原理及过程，包括高效倍压整流电路、调制电路、解调电路和ESD保护电路。
Then, the paper elaborates the design principles of RF front-end circuit, including high efficient rectifier, modulation circuit, demodulation circuit and ESD protection.
在射频电路方面，提出了频率合成器和调制解调器设计方案，并通过测试证明了该方案的可行性。
In the aspect of RF circuits, the scheme of frequency synthesizer and modem is proposed, and the feasibility of the scheme is verified by practical test.
该系统主要采用小灵通基带芯片ML7338（ARM7TDMI核）和RDA5206射频模块，实现对射频信号的解调，同时对基带信号重新编码再调制发射，很好地解决了普通直放站射频干扰问题。
The ML7338(ARM7TDMI core) and RF module RDA5206 are used to demodulate RF signals, recode, remodulate and transmit baseband signals, thus solving the RF interference problem in traditional stations.
用射频频谱分析仪观测一个已调波的频谱成分，记录上边带或下边带中各条谱线的幅度值，从而可以根据有关算式计算出调制信号（音频信号）的失真度。
Spectrum of the amplitude-modulated wave is observed by a radio frequency spectrum analyzer and amplitude values of every spectrum are recorded at the upper sideband or lower sideband.
文中提出了一种CD MA调制解调器射频电路和数字基带处理电路框图，分析了它们的组成及工作过程，设计了扩展功能用的系统连接器。
A new design of RF block diagram, digital baseband block diagram of CDMA modem, the form and working-process are analysised, in order to expand function, a system connector is designed.
目的：探讨低能量低频调制射频辐射作为失眠物理治疗方法的可能性。
Aim: To explore the possibility of the low energy emission therapy (l EET) as a physical therapeutic method for insomnia.
本文重点进行了光模块主要的电路包括传输线、LD偏置电路与APC电路、低噪声高线性射频电路、FSK调制与解调功能电路与监视控制功能电路的设计。
The module design contains transmission line, bias and APC circuit of LD, low noise and high linearity RF circuit, FSK modern, monitor and control circuit design and PCB layout.
把传感器和RF发射器直接安装在轮胎内，采集各个轮胎当前时间的气体压力数据，经调制后再以无线射频信号发射给车厢内的数据接收模块。
The stress sensor and RF emitter was installed in car tire. It was transmited for receiver installed in car by wireless after gas stress data gathered which was processed.
通过短时间脉冲调制获得了将射频放电控制工作在放电起辉阶段，提出了一种新型的高稳定低功耗的常压放电技术。
It proposes a way to obtain atmospheric radio frequency glow discharge with high stability and reduced power consumption by operating discharge in ignition phase.
射频（RF）信号收发器是MRI谱仪的重要组成部分，它负责MR 信号的接收和RF脉冲的调制发射。
RF signal transceiver is an important component of MRI spectrometer. It is responsible for the receive of MR signal and the transmit of RF pulse.
本文在前人的基础上分别提出电光调制器自动偏置控制和射频放大器自动增益控制方案。
In this paper, on the basis of our predecessors, I proposed separately by electro-optic modulator automatic gain control and automatic bias control program.
根据功放的实测AM-AM、AM-PM特性，采用时域分析方法，并应用带通非线性理论和数字信号处理技术，分析了宽带数字调制信号激励下的射频功率放大器非线性失真特性。
The method is based on AM-AM?AM-PM characteristics of a nonlinear power amplifier and application of band -pass nonlinearity theory and digital signal processing techniques.
本文将非线性调频技术引入引信探测体制中，利用线性调频波作为调制信号对射频信号进行二次调频。
In this paper, we present a new frequency modulation function on the basis of features of traditional non-linear frequency modulation signal.
介绍了锁相调频的基本原理，用锁相调频的射频直接调制方法实现了脉冲信号的低抖动传输。
The low jitter transmission of pulse signals is realized by direct RF-modulation based on PLL frequency modulation.
介绍了锁相调频的基本原理，用锁相调频的射频直接调制方法实现了脉冲信号的低抖动传输。
The low jitter transmission of pulse signals is realized by direct RF-modulation based on PLL frequency modulation.
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