研究了双线性变换中的频率失真。
The frequency infidelity of Bi Linear Transform is investigated in this paper.
文中提出了理想频率失真系数M_0的表达式和目标函数y的表达式。
The expressions of ideal frequency distortion M_0, objective function Y are presented.
FGS视频率失真和平均丢包率的关系模型，最优FEC数据分配算法的设计。
A relationship model of FGS video rate-distortion and average packet loss ratio was established, the optimal FEC data allocation algorithm was designed.
受限于DDS芯片的调频转换速率，在大带宽下，DDS产生的线性调频信号相比理论信号可能存在频率失真。
Compared to the theory signal, the chirp produced by DDS under large bandwidth, may have frequency distortion due to the limited chirp-rate.
双反射带通箱，由于它的导向孔在很大的频率范围内控制了锥盆动作，所以产生的失真最小，同时还表现出最好的功率承受特性。
The dual-reflex bandpass, due to the fact that its ports control cone motion over a wider range of frequencies, produces the least distortion and exhibits the best power-handling characteristics.
平滑，扩展频率响应相结合，提供声学性能，使音乐播放和质量的语音系统单位的想法与宽动态功能和低失真。
Smooth, extended frequency response combines with wide dynamic capabilities and low distortion to provide acoustic performance that makes the unit idea for music playback and quality speech systems.
线性失真-频率响应，指向性响应，共振，主要影响音色和清晰度。
Linear distortion - frequency response, polar response, resonance - affects primarily the timbre and clarity of a loudspeaker.
虽然电路对温度响应性很低，调制的高频率信号也会由于热行为产生的复杂的互相调制现象而发生失真。
A modulated high-frequency signal is distorted by the thermal behaviour through complex intermodulation phenomena, although the temperature response of the circuit is slow.
发现了建立过程的平滑作用可以明显地削弱信号的谐波分量，并存在一个最佳转换频率，使谐波失真达到最小值。
It shows signal harmonics is obviously weakened by the smoothing action in the setting process and there is a best conversion frequency to minimize harmonic distortion.
周期性地或连续地检验通道的某些性能，如延迟失真、频率响应及噪声等，以便消除或减少引起错误的原因。
A periodic or continuous check of such channel characteristics as delay distortion, frequency response, and noise in an effort to reduce or eliminate the causes of errors.
这种算法是采用了均值量化的方法，把数字水印嵌入图像的离散小波域，可以检测在空间域和频率域的图像失真。
The watermark was embedded in the wavelet domain using the mean quantization method. This method can be used to detect the distortion both in spatial and frequency domain.
对设计中无失真再现不同频率信号用到的多采样率变换数字信号处理技术进行了研究。
The multirate transform theory is studied here because it is utilized to reconstruct the waveform of different frequencies signals without distortion.
该方法不仅能够对电压闪变信号进行不失真地包络检波，而且能够精确地检测电压闪变信号的时间和包络信号的频率分量及其幅度。
This method not only can achieve the distortionless envelope detection of voltage flicker, but also can detect the time, frequency and amplitude of the signal accurately.
分析了目标像的失真与频率的数值关系。
The numerical relationship between range-profile's distortion and frequency is analyzed.
在多路模拟量计算机控制系统中，在确定采样频率后，为保证信号不失真，就必须合理安排采样顺序。
In order to dispel the message distortion, we must correctly arrange the sampling order of multiple analogue computer system after the sampling frequence is done.
步进频率雷达中，目标的径向运动将导致合成的目标径向一维距离像产生距离徙动和波形失真，需要对目标速度进行估计以补偿其影响。
In stepped frequency radar, the velocity of targets must be estimated and compensated to eliminate the range migration and distortion due to target moving.
对声频复制来说，所以重要的事情都可以用四个参数来标出：噪音，频率响应，失真，时基误差。
Only four parameters are needed to define everything that matters for audio reproduction: Noise, frequency response, distortion, and time-based errors.
为了使振荡频率稳定并降低谐波失真，需要加入一个在震荡频率处能够提供单位增益的负反馈路径。
Additional negative feedback is provided to set loop gain to unity at the oscillation frequency, to stabilize the frequency of oscillation, and to reduce harmonic distortion.
频谱分析法是用频率分析仪测量各次谐波的方法计算出波形失真度，但采用此种方法的仪器价格较昂贵。
The method of analysis frequency table is using the meter of frequency table to test all kinds of frequency and then calculate the distortion of the wave.
声频材料经过一件设备处理后，失真添加了悦耳或刺耳的新频率。
When music passes through a device that adds distortion, new frequencies are created that may or may not be pleasing to the ear.
正弦波输出，失真小，稳定性好，频率范围覆盖整个音频范围。
Sine wave output, low distortion and high stability, frequency range over with whole audio range.
正弦信号发生器正弦信号主要用于测量电路和系统的频率特性、非线性失真、增益及灵敏度等。
Sinusoidal signal generator sinusoidal signal of the main circuit and systems used to measure the frequency characteristics of the nonlinear distortion, and gain sensitivity and so on.
为便于测试系统的频率特性，要求输出幅频特性平和波形失真小。
In order to facilitate the testing of the system frequency characteristics of the output requirements of moderate amplitude waveform distortion small.
高输出能力和优异的频率扩展的特点，这些新的驱动程序低失真。
High output capability and low distortion with excellent high frequency extension characterize these new drivers.
锥形排气系统显示，在低频率大大减少失真，降低空气噪音比普通圆形通风口。
The conical vent system shows significantly less distortion and lower air noise at low frequencies than common circular vent openings.
介绍一种由单片机控制的采用MAX0 38芯片构成的高频函数发生器，它的特点是输出精度高，频率范围宽，失真小。
The paper proposed a high frequency function generator based on chip MAX038. The function generator had the characteristics of high precision, large frequency range, and low distortion.
二次谐波可使谐振腔归一化阻抗发生变化，导致强声发生器频率响应曲线失真；
The second-order harmonic can change the Normalized Impedance of the resonance cavity, and cause the distortion of Frequency Response;
在数字微波通信方式中，频率选择性衰落引起的波形失真成为传输质量恶化的主要原因，但没有统一的评价方法。
In digital microwave communication mode, the waveform distortions caused by frequency-selective fading are the main cause of the propagation quality deterioration.
在数字微波通信方式中，频率选择性衰落引起的波形失真成为传输质量恶化的主要原因，但没有统一的评价方法。
In digital microwave communication mode, the waveform distortions caused by frequency-selective fading are the main cause of the propagation quality deterioration.
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