Convert a vector of power measurements to decibels. Compare the answer to the result of using the definition. rng default X = abs(rand(10,1)); dboutput = db(X,'power'); comppower = [dboutput 10*log10(X)] comppo
(1.67) Tsc = 10*log10(tsc); % convert Tsc into dB Sigma = 10*log10(sigma); % convert sigma to dB four_pi = 10*log10(4.0 * pi); % (4pi) in dB k_db = 10*log10(1.38e-23); % Boltzman's constant in dB Te = 10*log10(te); % noise temp. in dB range_pwr4_db = ...
Example:b = [1 3 3 1]/6anda = [3 0 1 0]/3specify a third-order Butterworth filter with normalized 3 dB frequency 0.5π rad/sample. Data Types:double order—Row order 'up'(default) |'down' Row order, specified as one of the following: 'up'— Order the sections so the first r...
Note that gain margins are expressed as gain ratios and not in decibels (dB). Usemag2dbto convert the values to dB. GainMargins_dB = mag2db(m.GainMargin) GainMargins_dB =1×2-9.3510 10.6091 Input Arguments collapse all y—Input array ...
Note that gain margins are expressed as gain ratios and not in decibels (dB). Usemag2dbto convert the values to dB. GainMargins_dB = mag2db(m.GainMargin) GainMargins_dB =1×2-9.3510 10.6091 Input Arguments collapse all y—Input array ...
rng(2021)% Initialize random number generator% Radar parametersfreq=9.39e9;% Center frequency (Hz)prf=500;% PRF (Hz)tpd=100e-6;% Pulse width (s)azBw=2;% Azimuth beamwidth (deg)depang=30;% Depression angle (deg)antGain=45.7;% Antenna gain (dB)fs=10e6;% Sampling frequency (Hz)bw=...
This MATLAB function returns the magnitude measurements, y, that correspond to the decibel (dB) values specified in ydb.
3、加密数据库DB文件打开工具:sqlcipher.exe(下载链接:微云分享) 4、Excel 5、MATLAB(可选) 二、找到加密的微信聊天记录文件 依次选择根目录/data/data/com.tencent.mm/MicroMsg,如下图 如上图,一般加密的数据库文件在两个长名字文件夹之一,自己寻找。
^(0.1.*snr_db); % convert snr into base 10 gain = 10^(0.1*g); %convert antenna gain into base 10 loss = 10^(0.1*loss); % convert losses into base 10 F = 10^(0.1*nf); % convert noise figure into base 10 lambda = 3.e8 / freq; % compute wavelength % Implement Eq.(1.57)...
p_peak = 10*log10(pt); % convert peak power to dB lambda_sqdb = 10*log10(lambda^2); % compute wavelength square in dB sigmadb = 10*log10(sigma); % convert sigma to dB four_pi_cub = 10*log10((4.0 * pi)^3); % (4pi)^3 in dB ...