脉冲幅度调制

详细论述了多电平PAM（脉冲幅度调制）系统的最佳均衡理论。

The optimum equalization theory for overcoming the intersymbol interferences ( ISI ) in multi-level pulse amplitude modulation ( PAM ) systems is establishead .

脉冲幅度调制波（PAM）是脉冲调制的一种形式，在通信和控制系统中得到广泛应用。

Pulse amplitude modulation ( PAM ) is one form of the ways , in which it is widely used in the system of communication and control .

实验系统通过PAM（脉冲幅度调制）调制的方法来实现对多路光位置信号的同步检测。

This technology relies on PAM ( pulse amplitude modulate ) to detect multiple light beams synchronously .

比较了BPSK和OOK两种脉冲幅度调制方式下的系统性能；

System performances using the two different pulse amplitude modulation schemes ( BPSK and OOK ) is compared .

本文推导了基带PAM（脉冲幅度调制）信号的互相关函数，指出基带PAM信号的互相关函数中含有位同步信息，以此为依据得到了一种位同步检测算法。

This paper derives the cross correlation function of baseband PAM ( Pulse Amplitude Modulation ) signal , and shows that the cross correlation function includes timing information .

本文提出了多电平脉冲幅度调制系统（PAM）的一种等效二进制码间干扰模型和两种多效系统模型。

This paper discusses an equivalent binary intersymbol interferences ( ISI ) model and two equivalent system models of multilevel pulse - amplitude - modulation ( PAM ) systems .

介绍了UWB的概念和工作原理、UWB信号的时域特征和频域特征，分析了UWB常用的两种调制技术：脉冲幅度调制（PAM）和脉冲位置调制（PPM）的详细过程。

This paper presents the concept and the basic principles of UWB , including UWB signal features both in time and frequency domains , then analyzes general two approaches of modulation & pulse position modulation ( PPM ) and pulse amplitude modulation ( PAM ) .

该仪器系统是由脉冲幅度调制和频率调制两种遥测系统复合组成的。

It is a combination of the pulse amplitude modulation and frequency modulation types .

塔康信标台全向发射脉冲幅度调制信号，隐含空中目标相对于信标台的方位和距离信息。

TACAN beacon transmits pulse amplitude modulation signals in all direction , including bearing and distance information relative to the beacon .

分析了超宽带冲激无线电的脉位调制、通断键控调制和脉冲幅度调制的信号模型。

The ultra wideband ( UWB ) radio models have been introduced with pulse-position-modulation ( PPM ), on-off-keying ( OOK ) and pulse-amplitude-modulation ( PAM ) .

脉冲幅度编码调制遥测技术

Pulse amplitude code modulation telemetry

分析了UWB室内衰落信道模型下脉冲幅度位置混合调制（PAPM）最优接收机性能。

The optimum receiver performance of a hybrid pulse phase and position modulation ( PAPM ) over ultra-wideband ( UWB ) indoor fading channel model is analyzed .

在分析双边带和单边带调制的性能后，采用移相法实现RF脉冲的单边带幅度调制，并给出了具体的实现算法和仿真。

After comparing with the performance of double sideband modulation and single sideband modulation , Single sideband modulation based on phasing was used for RF pulse modulation , which can cut down the peak power of RF pulse transmitter and achieve a precise phase .

文章分析此类信道模型下脉冲位置调制和脉冲幅度调制的性能，结果表明，在频率依赖性信道中PAM调制优于PPM调制。

This paper has analyzed the performance of PPM and PAM under frequency dependence channel model , the results have shown that the PAM is better than the PPM in frequency dependence channel .

其次分析了单脉冲调制中的脉冲幅度调制、开关键控调制、脉冲位置调制和二相调制。

Second , the paper analyzes the single-pulse modulation which includes pulse amplitude modulation , on-off keying modulation , pulse position modulation and two-phase modulation .

脉冲-相位调制；脉冲-频率调制；脉冲-幅度调制；脉冲-间歇调制；脉冲-持续时间调制

Pulse-phase Modulation ; Pulse-frequency Modulation ; Pulse-amplitude Modulation ; Pulse-interval Modulation ; Pulse-duration Modulation

之后讨论了超宽带中普遍采用的脉冲形式及主要调制方式，有脉冲位置调制（PPM）和脉冲幅度调制（PAM）。

It also presents a detailed discussion of pulse shapes used for transmission and two main kinds of modulation techniques , which are pulse-position modulation ( PPM ) and pulse-amplitude modulation ( PAM ) .